Rauw, Grégor, Naze, Yaël, Fernández Lajús, E, Lanotte, Audrey, Solivella, G R, Sana, H, ...
We present the results of a spectroscopic monitoring campaign devoted to three O-type stars in the Carina nebula. We derive the full SB2 orbital solution of the binary system Tr16-112, an exceptional...
Mahy, Laurent, Naze, Yaël, Rauw, Grégor, Gosset, Eric, De Becker, Michaël, Sana, H, ...
Aims. We present the results obtained from a long-term spectroscopic campaign to study the multiplicity of O-type stars in both the young open cluster NGC 2244 and the Mon OB2 association. Methods:...
Gosset, Eric, Sana, H, Linder, N, Rauw, Grégor
Already suspected to be variable, the O9Ib((f)) supergiant HD 152249 has been the subject of a dedicated follow-up spectroscopic run. We report here on the preliminary results. This star is...
Spectroscopic and photometric variability of O and Wolf-Rayet stars (2009)
Low-level line profile variability in the optical domain is a ubiquitous feature of O, Of and Wolf-Rayet type stars. This variability can arise from pulsations, from magnetic fields or wind...
The first orbital solution for the massive colliding-wind binary HD 93162 (= WR 25) (2008)
Gamen, R, Gosset, Eric, Morrell, N I, Niemela, V S, Sana, H, Naze, Yaël, ...
Since the discovery, with EINSTEIN, of strong X-ray emission associated with HD 93162, this object was recurrently predicted by some authors to be a colliding-wind binary system. However,...
The massive star binary fraction in young open clusters - I. NGC 6231 revisited (2008)
Sana, H, Gosset, Eric, Naze, Yaël, Rauw, Grégor, Linder, Natacha
We present the results of a long-term high-resolution spectroscopy campaign on the O-type stars in NGC 6231. We revise the spectral classification and multiplicity of these objects and we constrain...
The massive binary HD 152218 revisited: A new colliding wind system in NGC 6231 (2008)
Sana, H, Naze, Yaël, O'Donnell, B, Rauw, Grégor, Gosset, Eric
We present the results of an optical and X-ray monitoring campaign on the short-period massive SB2 binary HD 152218. Combining our HiRes spectroscopic data with previous observations, we unveil the...
Spectroscopic and photometric variability of the O9.5Vp star HD93521 (2008)
Rauw, Grégor, De Becker, Michaël, Van Winckel, Hans, Aerts, Conny, Eenens, Philippe, Lefever, Karolien, ...
Aims. The line profile variability and photometric variability of the O9.5Vp star HD93521 are examined in order to establish the properties of the non-radial pulsations in this star. Methods. Fourier...
High-resolution optical spectroscopy of Plaskett's star (2008)
Linder, Natacha, Rauw, Grégor, Martins, Fabrice, Sana, Hugues, De Becker, Michaël, Gosset, Eric
Context. Plaskett's star (HD 47 129) is a very massive O + O binary that belongs to the Mon OB2 association. Previous work suggests that this system displays the Struve-Sahade effect although the...
The XMM-Large scale structure catalogue: X-ray sources and associated optical data. Version I (2007)
Pierre, M, Chiappetti, L, Pacaud, F, Gueguen, A, Libbrecht, C, Altieri, B, ...
Following the presentation of the XMM-Large Scale Structure (XMM-LSS) survey X-ray source detection package by Pacaud et al., we provide the source lists for the first surveyed 5.5 deg(2). The...
Garcet, Olivier, Gandhi, P, Gosset, Eric, Sprimont, Pierre-Guillaume, Surdej, Jean, Borkowski, Virginie, ...
Aims. Our goal is to characterize AGN populations by comparing their X-ray and optical classifications within the framework of the standard orientationbased unified scheme. Methods. We present a...
The Struve-Sahade effect in the optical spectra of O-type binaries - I. Main-sequence systems (2007)
Linder, Natacha, Rauw, Grégor, Sana, H, De Becker, Michaël, Gosset, Eric
Aims. We present a spectroscopic analysis of four massive binary systems that are known or are good candidates to display the Struve-Sahade effect (defined as the apparent strengthening of the...
An XMM-Newton view of the young open cluster NGC 6231-III. Optically faint X-ray sources (2007)
Sana, H, Rauw, Grégor, Sung, H, Gosset, Eric, Vreux, Jean-Marie
We discuss the properties of the X-ray sources with faint optical counterparts in the very young open cluster NGC 6231. From their positions in the Hertzsprung-Russell diagram, we find that the bulk...
Constraining the fundamental parameters of the O-type binary CPD-41 7733 (2007)
Sana, H, Rauw, Grégor, Gosset, Eric
Using a set of high-resolution spectra, we studied the physical and orbital properties of the O-type binary CPD -41 7733, located in the core of NGC 6231. We report the unambiguous detection of a...
Early-type stars in the core of the young open cluster Westerlund 2 (2007)
Rauw, Grégor, Manfroid, Jean, Gosset, Eric, Naze, Yaël, Sana, H, De Becker, Michaël, ...
Aims. The properties of the early-type stars in the core of the Westerlund 2 cluster are examined in order to establish a link between the cluster and the very massive Wolf-Rayet binary WR 20a as...
NGC6231: X-ray Properties of the Early-Type Star Population (2007)
Sana, H, Naze, Yaël, Gosset, Eric, Rauw, Grégor, Sung, H, Vreux, J-M
Based on a deep XMM-Newton observation of the young open cluster NGC6231, we derive the main X-ray properties of its early-type star population. Among the 610 X-ray sources detected in the field, 42...
Garcet, Olivier, Gandhi, P, Gosset, Eric, Sprimont, Pierre-Guillaume, Surdej, Jean, Borkowski, Virginie, ...
Aims.Our goal is to characterize AGN populations by comparing their X-ray and optical classifications within the framework of the standard orientation-based unified scheme. Methods: We present a...
The first orbital solution for the massive colliding-wind binary HD 93162 ( WR 25) (2006)
Gamen, R, Gosset, Eric, Morrell, N, Niemela, V, Sana, H, Naze, Yaël, ...
Context. Since the discovery, with the EINSTEIN satellite, of strong X-ray emission associated with HD 93162 (equivalent to WR 25), this object has been predicted to be a colliding-wind binary...
An XMM-Newton view of the young open cluster NGC 6231 - II. The OB star population (2006)
Sana, H, Rauw, Grégor, Naze, Yaël, Gosset, Eric, Vreux, Jean-Marie
In this second paper of the series, we pursue the analysis of the 180-ks XMM-Newton campaign towards the young open cluster NGC 6231 and we focus on its rich OB star population. We present a...
The XMM Large-Scale Structure survey: the X-ray pipeline and survey selection function (2006)
Pacaud, F, Pierre, M, Refregier, A, Gueguen, A, Starck, JL, Valtchanov, I, ...
We present the X-ray pipeline developed for the purpose of the cluster search in the XMM Large-Scale Structure (XMM-LSS) survey. It is based on a two-stage procedure via a dedicated handling of the...
Pierre, M, Pacaud, F, Duc, PA, Willis, JP, Andreon, S, Valtchanov, I, ...
We present the XMM Large-Scale Structure Survey (XMM-LSS) cluster catalogue corresponding to the Canada-France-Hawaii Telescope Legacy Survey D1 area. The list contains 13 spectroscopically...
The atypical emission-line star Hen 3-209 (2006)
Naze, Yaël, Rauw, Grégor, Hutsemekers, Damien, Gosset, Eric, Manfroid, Jean, Royer, P
We analyse observations, spanning 15 yr, dedicated to the extreme emission-line object Hen 3-209. Our photometric data indicate that the luminosity of the star undergoes marked variations with a...
Gandhi, P, Garcet, Olivier, Disseau, L, Pacaud, F, Pierre, M, Gueguen, A, ...
We analyze X-ray sources detected over 4.2 pseudo-contiguous sq. deg. in the 0.5-2 keV and 2-10 keV bands down to fluxes of 2 x 10(-15) and 8 x 10(-15) erg s(-1) cm(-2) respectively, as part of the...
The OB binary HD 152219: a detached, double-lined, eclipsing system (2006)
Sana, H, Gosset, Eric, Rauw, Grégor
We present the results of an optical spectroscopic campaign on the massive binary HD 152219 located near the core of the NGC 6231 cluster. Though the primary to secondary optical brightness ratio is...
An XMM-Newton view of the young open cluster NGC 6231 - I. The catalogue (2006)
Sana, H, Gosset, Eric, Rauw, Grégor, Sung, H, Vreux, Jean-Marie
This paper is the first of a series dedicated to the X-ray properties of the young open cluster NGC 6231. Our data set relies on an XMM-Newton campaign of a nominal duration of 180 ks and reveals...
An Exceptional X-ray View of the Young Open Cluster NGC 6231: What XMM-Newton Has Taught Us (2006)
Sana, H, Gosset, Eric, Rauw, Grégor, Vreux, J-M
Considered as the core of the Sco OB1 association, the young open cluster NGC 6231 harbours a rich O-type star population. In 2001, the XMM-Newton satellite targeted the cluster for a nominal...
Gandhi, P, Garcet, Olivier, Disseau, L, Pacaud, F, Pierre, M, Gueguen, A, ...
We analyze X-ray sources detected over 4.2 pseudo-contiguous sq. deg. in the 0.5-2 keV and 2-10 keV bands down to fluxes of 2× 10[SUP]-15[/SUP] and 8× 10[SUP]-15[/SUP] erg s[SUP]-1[/SUP]...
The young open cluster NGC 6231: five years of investigations (2005)
Sana, H, Rauw, Grégor, Gosset, Eric
In this contribution, we present an overview of the main results obtained by the Liège multiwavelength (in the X-ray and optical domains) campaign on the young open cluster NGC 6231. We probe the...
CPD-41° 7742: an unusual wind interaction (2005)
Sana, H, Gosset, Eric, Rauw, Grégor, Antokhina, E, Royer, P, Manfroid, Jean, ...
We summarize the results of a multiwavelength observing campaign on the massive eclipsing binary CPD-41° 7742, another remarkable object in the young open cluster NGC 6231. Our campaign relies on...
Gosset, Eric, Rauw, Grégor, Manfroid, Jean, Antokhina, E, Stevens, I R, Sana, H
We present preliminary results of an observational campaign aiming at the study of the binary system LSS3074. A new lightcurve clearly indicates that the system is in contact. Recent spectroscopy...
On the multiplicity of the non-thermal radio emitters 9 Sgr and HD 168112 (2005)
Rauw, Grégor, Sana, H, Gosset, Eric, De Becker, Michaël, Arias, J, Morrell, N, ...
JENAM 2005, "Distant Worlds"
Willis, JP, Pacaud, F, Valtchanov, I, Pierre, M, Ponman, T, Read, A, ...
We present X-ray and optical spectroscopic observations of 12 galaxy groups and clusters identified within the X-ray Multi-Mirror (XMM) Large-Scale Structure (LSS) survey. Groups and clusters are...
The massive binary CPD-41 degrees 7742 - II. Optical light curve and X-ray observations (2005)
Sana, H, Antokhina, E, Royer, P, Manfroid, Jean, Gosset, Eric, Rauw, Grégor, ...
In the first paper of this series, we presented a detailed high-resolution spectroscopic study of CPD - 41 degrees 7742, deriving for the first time an orbital solution for both components of the...
The XMM-LSS survey - The XMDS/VVDS 4 sigma catalogue (2005)
Chiappetti, L, Tajer, M, Trinchieri, G, Maccagni, D, Maraschi, L, Paioro, L, ...
We present a first catalogue of X-ray sources resulting from the central area of the XMM-LSS (Large Scale Structure survey). We describe the reduction procedures and the database tools we developed...
Naze, Yaël, Antokhin, II, Sana, H, Gosset, Eric, Rauw, Grégor
We present the analysis of an extensive set of high-resolution spectroscopic observations of HD 93161, a visual binary with a separation of 2 arcsec. HD 93161 A is a spectroscopic binary, with both...
Rauw, Grégor, Crowther, PA, De Becker, Michaël, Gosset, Eric, Naze, Yaël, Sana, H, ...
We analyse the optical spectrum of the very massive binary system WR20a (WN6ha + WN6ha). The most prominent emission lines, Halpha and He II lambda4686, display strong phase-locked profile...
Gosset, Eric, Naze, Yaël, Rauw, Grégor, Vreux, Jean-Marie, Sana, H.
We present the results of an XMM-Newton observation of the field of the Wolf-Rayet star WR 40. Despite a nominal exposure of 20 ks and the high sensitivity of the satellite, the star itself is not...
The XMM-LSS survey - First high redshift galaxy clusters: Relaxed and collapsing systems (2004)
Valtchanov, I, Pierre, M, Willis, J, Dos Santos, S, Jones, L, Andreon, S, ...
We present five newly found galaxy clusters at z > 0.6 from the XMM Large-Scale Structure Survey (XMM-LSS). All five objects are extended X-ray sources in the XMM images. For three of them we have...
WR 20a: A massive cornerstone binary system comprising two extreme early-type stars (2004)
Rauw, Grégor, De Becker, Michaël, Naze, Yaël, Crowther, PA, Gosset, Eric, Sana, H, ...
We analyse spectroscopic observations of WR20a revealing that this star is a massive early-type binary system with a most probable orbital period of similar to3.675 days. Our spectra indicate that...
A phase-resolved XMM-Newton campaign on the colliding-wind binary HD 152248 (2004)
Sana, H, Stevens, IR, Gosset, Eric, Rauw, Grégor, Vreux, Jean-Marie
We report the first results of an XMM-Newton monitoring campaign of the open cluster NGC 6231 in the Sco OB 1 association. This first paper focuses on the massive colliding-wind binary HD 152248,...
XMM-Newton observations of the giant H II region N 11 in the LMC (2004)
Naze, Yaël, Antokhin, II, Rauw, Grégor, Chu, YH, Gosset, Eric, Vreux, Jean-Marie
Using the sensitive XMM-Newton observatory, we have observed the giant H II region N11 in the LMC for similar to30 ks. We have detected several large areas of soft diffuse X-ray emission along with...
An XMM-Newton observation of the massive binary HD 159176 (2004)
De Becker, Michaël, Rauw, Grégor, Pittard, JM, Antokhin, II, Stevens, IR, Gosset, Eric, ...
We report the analysis of an XMM-Newton observation of the close binary HD 159176 (O7 V + O7 V). The observed L-x/L-bol ratio reveals an X-ray luminosity exceeding by a factor similar to7 the...
The XMM-LSS survey : Survey design and first results* (2004)
Pierre, Marguerite, Valtchanov, Ivan, Altieri, Bruno, Andreon, Stefano, Bolzonella, Micol, Bremer, Malcolm, ...
An XMM-Newton observation of the very young open cluster NGC 6383 (2003)
Rauw, Grégor, De Becker, Michaël, Gosset, Eric, Pittard, JM, Stevens, IR
We report the detection of a number of X-ray sources associated with the very young open cluster NGC6383. About two thirds of these objects are correlated with a rather faint optical source and all...
The massive binary CPD-41 degrees 7742 - I. High-resolution optical spectroscopy (2003)
Sana, H, Hensberge, H, Rauw, Grégor, Gosset, Eric
We present the results of a spectroscopic campaign on the early-type binary CPD-41degrees 7742. For the first time, we unambiguously detect the secondary's spectral signature and derive an accurate...
Gosset, Eric, Rauw, Grégor, Vreux, Jean-Marie, Naze, Yaël, Antokhin, Igor I, Sana, Hugues
A Massive Star Odyssey: From Main Sequence to Supernova, IAU S212
An XMM-Newton observation of the Lagoon Nebula and the very young open cluster NGC6530 (2002)
Rauw, Grégor, Naze, Yaël, Gosset, Eric, Stevens, IR, Blomme, Ronny, Corcoran, MF, ...
We report the results of an XMM-Newton observation of the Lagoon Nebula (M8). Our EPIC images of this region reveal a cluster of point sources, most of which have optical counterparts inside the very...
Phase-resolved X-ray and optical spectroscopy of the massive binary HD93403 (2002)
Rauw, Grégor, Vreux, Jean-Marie, Stevens, IR, Gosset, Eric, Sana, H, Jamar, Claude, ...
We report the first results of a campaign aimed at the study of early-type binaries with the XMM-Newton observatory. Phase-resolved EPIC spectroscopy of the eccentric binary HD93403 reveals a clear...
Searching for Colliding-Wind Signatures in a Sample of O-Star Binaries (2002)
Rauw, Grégor, Sana, H, Vreux, J-M, Gosset, Eric, Stevens, I R
Not Available
Optical Spectroscopy of Colliding-Wind Systems to be Observed with XMM (2002)
Sana, H, Rauw, Grégor, Gosset, Eric, Vreux, J-M
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A first detailed study of the colliding wind WR+O binary WR 30a (2001)
Gosset, Eric, Royer, P, Rauw, Grégor, Manfroid, Jean, Vreux, J-M
We present a detailed, extensive investigation of the photometric and spectroscopic behaviour of WR 30a. This star is definitely a binary system with a period around 4.6d. We propose the value...
Rauw, Grégor, Sana, H, Antokhin, I I, Morrell, N I, Niemela, V S, Albacete Colombo, J F, ...
We discuss the orbital elements of the multiple system Tr 16-104 which is usually believed to be a member of the open cluster Trumpler 16 in the Carina complex. We show that Tr 16-104 could be a...
HD 152248: Evidence for a colliding wind interaction (2001)
Sana, H, Rauw, Grégor, Gosset, Eric
We present the results of a four year spectroscopic campaign on the early-type binary system HD 152248. Our analysis yields a new classification as O7.5III(f) + O7III(f), in contradiction with...
The strange case of the massive binary HD 149404 (2001)
Rauw, Grégor, Naze, Yaël, Carrier, F, Burki, G, Gosset, Eric, Vreux, J-M
We report the analysis of an extensive set of high-resolution spectroscopic observations of the massive binary system HD 149404. We compare different techniques to measure the radial velocities of...
The spectral variability of HD 192639 and its implications for the star's wind structure (2001)
Rauw, Grégor, Morrison, N D, Vreux, J-M, Gosset, Eric, Mulliss, C L
We report the analysis of an extensive set of spectroscopic data of the O(f) supergiant HD 192639. A Fourier analysis of our time-series reveals a recurrent variability with a ``period'' of roughly...
Correction of Systematic Errors in Differential Photometry (2001)
Manfroid, Jean, Royer, P, Rauw, Grégor, Gosset, Eric
A common cause of errors in CCD differential photometry is an improper calibration of the array. The importance of these errors is evaluated for different cameras with fields between 3 and 30...
A new orbital solution for the massive binary system HD 93403 (2000)
Rauw, Grégor, Sana, H, Gosset, Eric, Vreux, J-M, Jehin, Emmanuel, Parmentier, Geneviève
We present a spectroscopic analysis of the early-type massive binary system HD 93403. Using high resolution optical spectra, we clearly separate the primary and secondary components. For the first...
Narrow-band photometry of the eclipsing WN7+O binary WR 22 (1999)
Royer, P, Rauw, Grégor, Manfroid, Jean, Gosset, Eric, Vreux, Jean-Marie
In the present paper, we discuss photometric observations of the February 1996 eclipse of the very massive WR+O binary WR 22. Our data were obtained with a set of narrow-band filters, specially...
New observational results on the colliding wind WR+O binary WR 30a (1999)
Gosset, Eric, Royer, P, Rauw, Grégor, Manfroid, Jean, Vreux, Jean-Marie
On the perspectives of using XMM to study fundamental parameters of early-type stars (1999)
Rauw, Grégor, Van Der Hucht, KA, Mewe, R, Gudel, M, Vreux, Jean-Marie, Gosset, Eric, ...
ESO & NOT photometric monitoring of the Cloverleaf quasar (1997)
Ostensen, R, Remy, M, Lindblad, P O, Refsdal, S, Stabell, R, Surdej, Jean, ...
The Cloverleaf quasar, H1413+117, has been photometrically monitored at ESO (La Silla, Chile) and with the NOT (La Palma, Spain) during the period 1987--1994. All good quality CCD frames have been...
Surveys of ultraviolet-excess quasar candidates in large fields (1997)
Gosset, Eric, Moreau, O, Surdej, Jean, Swings, J-P, Arp, H C
We describe the results of a survey for moderately bright quasars performed in a 20.6-square-degree field around the galaxy NGC 450. The quasar candidates were selected on the basis of their...
Search for Interacting Winds in the WN7 + O Binary WR 22 (1996)
Rauw, Grégor, Vreux, Jean-Marie, Gosset, Eric
We present new spectroscopic observations of the He I Lambda5876 line in WR22 which were obtained around periastron. These data show strong line profile variability. We use recently determined...
WR22: the most massive Wolf-Rayet star ever weighed. (1996)
Rauw, Grégor, Vreux, J-M, Gosset, Eric, Hutsemekers, Damien, Magain, Pierre, Rochowicz, K
The results of an extensive spectroscopic campaign on the eclipsing binary WR22 are presented. A new radial velocity curve is deduced for the WN7 component, allowing us to improve the parameters of...
Existence of a short period (3.5-4 hours) in the photometric variability of WR66. (1996)
Rauw, Grégor, Gosset, Eric, Manfroid, Jean, Vreux, J-M, Claeskens, J-F
We report here on an independent detection of a short period (~4hours) in the photometric variations of WR66, thus confirming in broad terms the discovery by Antokhin et al.. In addition, we present...
Rauw, Grégor, Vreux, Jean-Marie, Gosset, Eric
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A new orbital solution for the WNL binary system WR12 (1996)
Rauw, Grégor, Vreux, J-M, Gosset, Eric, Manfroid, Jean, Niemela, V S
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The Clover Leaf Quasar H1413+117: New Photometric Light Curves (1996)
Remy, M, Gosset, Eric, Hutsemekers, Damien, Revenaz, B, Surdej, Jean
Astrophysical applications of gravitational lensing: the 173rd Symposium of the International Astronomical Union
Willis, J P, Pacaud, F, Valtchanov, I, Pierre, M, Ponman, T, Read, A, ...
Not Available
WR22 as a core hydrogen-burning Wolf-Rayet star (1995)
Rauw, Grégor, Vreux, Jean-Marie, Gosset, Eric, Hutsemekers, Damien, Magain, Pierre
The analysis of an extensive sample of high resolution spectra of the Wolf-Rayet binary WR22 recently allowed us to determine a minimum mass of 72 M_solar for the WN7 star. With such a high mass,...
A seven year campaign on WR 22 (1995)
Rauw, Grégor, Vreux, J-M, Gosset, Eric, Hutsemekers, Damien, Magain, Pierre, Manfroid, Jean, ...
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A seven year campaign on WR 22 (1995)
Rauw, Grégor, Vreux, J-M, Gosset, Eric, Hutsemekers, Damien, Magain, Pierre, Manfroid, Jean, ...
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Photometric monitoring of Wolf-Rayet stars: Strömgren uvby and narrow-band photometry (1994)
Gosset, Eric, Rauw, Grégor, Manfroid, Jean, Vreux, J-M, Sterken, C
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Systematic search for gravitational mirages among general quasar samples (1993)
Moreau, O, Gosset, Eric, Reboul, H, Surdej, Jean
31st Liège International Astrophysical Colloquium "Gravitational lenses in the Universe"
The Liege GRISM search for quasars (1991)
Gosset, Eric, Surdej, Jean, Cheng, F H, Swings, Jean-Pierre
"The Space Distribution of Quasars", ASP Conference Series, Vol. 21
Surveys of Ultraviolet Excess Quasar Candidates in Three Large Fields (1988)
Swings, Jean-Pierre, Surdej, Jean, Gosset, Eric
Workshop on Optical Surveys for Quasars
Is There an Alignment of Quasars Near NGC 520? (1987)
Gosset, Eric, Surdej, Jean, Swings, Jean-Pierre
Observational Cosmology
Further investigation of the pair of quasars Q0107 - 025 A and B (1986)
Surdej, Jean, Arp, H, Gosset, Eric, Kruszewski, A, Robertson, J G, Shaver, P A, ...
Low and intermediate dispersion spectroscopy of Q0107 - 025 A and B obtained at ESO, AAT, and MMT provide evidence for spectral differences between these two quasars. A redshift difference of 0.004...
Gosset, Eric, Surdej, Jean, Swings, Jean-Pierre
Quasars; Proceedings of the IAU Symposium, Bangalore, India, Dec. 2-6, 1985. Edited by Govind Swarup and V. K. Kapahi. Symposium sponsored by IAU, Tata Institute of Fundamental Research, Department...
Radial velocities along the light curve of the peculiar emission-line star GG Carinae (1985)
Gosset, Eric, Hutsemekers, Damien, Swings, Jean-Pierre, Surdej, Jean
Measurements of the radial velocities of several emission and absorption lines in a large series of high dispersion spectra of the peculiar emission-line object GG Carinae are combined with the...
Swings, Jean-Pierre, Surdej, Jean, Henry, A, Gosset, Eric, Arp, H C
Abstract image available at: http://esoads.eso.org/abs/1985RMxAA..10...91S
CPD - 59 deg 2857 - A new red variable star (1985)
Gosset, Eric, Hutsemekers, Damien, Surdej, Jean
Two (C3 and C4) of the four comparison stars monitored during the photometric study of the peculiar emission-line star GG Car (Gosset et al., 1984) have been found to be variable. Available...
Photoelectric photometry of the peculiar emission-line star GG Carinae (1984)
Gosset, Eric, Surdej, Jean, Swings, J-P
The first extensive sets of photoelectric observations of the peculiar emission-line star GG Carinae were obtained from 1977 to 1981, in both the standard UBV and Strömgren systems. A Fourier...