BLACK ,J. H., KIPP,K. L. , JR.
THE CONCEPT OF THE OBSERVATION WELL AS A MEASURING INSTRUMENT WITH ITS OWN RESPONSE CHARACTERISTICS IS DEVELOPED, AND A METHOD FOR RESPONSE EVALUATION IS DERIVED BASED ON METHODS OF SLUG-TEST...
Soil Sampler With Retrievable Liner (9999)
A simple, hand-operated soil sampler based on commercially available drainpipe is described. The sampler is robust, avoids cross-contamination of samples and can penetrate to a depth of three metres....
O18O and C18O observations of rho Oph A (2009)
Liseau, R., Larsson, B., Pagani, L., Black, J. H., Hjalmarson, A., Justtanont, K.
Observations of the (N_J=1_1-1_0) ground state transition of O_2 with the Odin satellite resulted in a about 5 sigma detection toward the dense core rho Oph A. At the frequency of the line, 119 GHz,...
Water and ammonia abundances in S140 with the Odin satellite (2009)
Persson, C. M., Olberg, M., Hjalmarson, A., Spaans, M., Black, J. H., Frisk, U., ...
We have used the Odin satellite to obtain strip maps of the ground-state rotational transitions of ortho-water and ortho-ammonia, as well as CO(5-4) and 13CO(5-4) across the PDR, and H218O in the...
Persson, C. M., Olofsson, A. O. H., Koning, N., Bergman, P., Bernath, P., Black, J. H., ...
We investigate the physical and chemical conditions in a typical star forming region, including an unbiased search for new molecules in a spectral region previously unobserved. Due to its proximity,...
Olofsson, A. O. H., Persson, C. M., Koning, N., Bergman, P., Bernath, P., Black, J. H., ...
Spectral line surveys are useful since they allow identification of new molecules and new lines in uniformly calibrated data sets. Nonetheless, large portions of the sub-millimetre spectral regime...
Visser, R., Van Dishoeck, E. F., Black, J. H.
Aims. Photodissociation by UV light is an important destruction mechanism for CO in many astrophysical environments, ranging from interstellar clouds to protoplanetary disks. The aim of this work is...
High-resolution HNC 3-2 SMA observations of Arp220 (2008)
Aalto, S., Wilner, D., Spaans, M., Wiedner, M. C., Sakamoto, K., Black, J. H., ...
We present high resolution (0."4) observations of HNC J=3-2 with the SubMillimeter Array (SMA). We find luminous HNC 3-2 line emission in the western part of Arp220, centered on the western nucleus,...
Discovery of superthermal hydroxyl (OH) in the HH211 outflow (2008)
Tappe, A., Lada, C. J., Black, J. H., Muench, A. A.
We present a 5-37 micron infrared spectrum obtained with the Spitzer Space Telescope toward the southeastern lobe of the young protostellar outflow HH211. The spectrum shows an extraordinary sequence...
Abstract. We report Very Large Telescope (VLT) observations of the quasar PKS 2145+067. We obtained high-resolution (R ≈ 100 000 or 3 km s −1) optical spectra with the UV-Visual Echelle...
Weak H_2 Emission From Diffuse And Translucent Clouds (2007)
W. F. Thi, E.F. Van Dishoeck, J.H. Black, D.J. Jansen, N.J. Evans, D.T. Jaffe
We present the first results of a survey for the lowest pure-rotational lines of H 2 with the ISO-SWS in a number of well-studied low-density diffuse and translucent clouds. The data are compared...
Molecular oxygen in the rho Ophiuchi cloud (2007)
Larsson, B., Liseau, R., Pagani, L., Bergman, P., Bernath, P., Biver, N., ...
Molecular oxygen, O2 has been expected historically to be an abundant component of the chemical species in molecular clouds and, as such, an important coolant of the dense interstellar medium....
Discovery of Interstellar CF+ (2006)
Neufeld, D. A., Schilke, P., Menten, K. M., Wolfire, M. G., Black, J. H., Schuller, F., ...
We discuss the first astronomical detection of the CF+ (fluoromethylidynium) ion, obtained by observations of the J=1-0 (102.6 GHz), J=2-1 (205.2 GHz) and J=3-2 (307.7 GHz) rotational transitions...
First astronomical detection of the CF+ ion (2005)
Neufeld, D. A., Schilke, P., Menten, K. M., Wolfire, M. G., Black, J. H., Schuller, F., ...
We report the first astronomical detection of the CF+ (fluoromethylidynium) ion obtained by recent observations of its J = 1 - 0 (102.6 GHz), J = 2 - 1 (205.2 GHz), and J = 3 - 2 (307.7 GHz) pure...
An atomic and molecular database for analysis of submillimetre line observations (2005)
Schöier, F. L., Van Der Tak, F. F. S., Van Dishoeck, E. F., Black, J. H.
An atomic and molecular database for analysis of submillimetre line observations (2004)
Schoeier, F. L., Van Der Tak, F. F. S., Van Dishoeck, E. F., Black, J. H.
Atomic and molecular data for the transitions of a number of astrophysically interesting species are summarized, including energy levels, statistical weights, Einstein A-coefficients and collisional...
The abundance of HOC+ in diffuse clouds (2004)
Liszt, H., Lucas, R., Black, J. H.
We used the Plateau de Bure Interferometer to search for $\lambda$3mm absorption lines of HOC+ from local diffuse and translucent clouds occulting compact extragalactic mm-wave continuum sources. We...
Liseau, R., Larsson, B., Brandeker, A., Bergman, P., Bernath, P., Black, J. H., ...
Odin has successfully observed the molecular core rho Oph A in the 572.5 GHz rotational ground state line of ammonia, NH3 (J,K = 1,0 - 0,0). The interpretation of this result makes use of...
First NH3 detection of the Orion Bar (2003)
Larsson, B., Liseau, R., Bergman, P., Bernath, P., Black, J. H., Booth, R. S., ...
Odin has successfully observed three regions in the Orion A cloud, i.e. Ori KL, Ori S and the Orion Bar, in the 572.5 GHz rotational ground state line of ammonia, ortho-NH3 (J,K) = (1,0) -> (0,0),...
Schoeier, F. L., Van Der Tak, F. F. S., Van Dishoeck, E. F., Black, J. H.
Molecular line data for the rotational transitions of a number of astrophysically interesting species have been collected and are made publically available through the www. These data, including...
An Optical Ultra-High-Resolution Cross-dispersed Echelle Spectrograph with Adaptive Optics (2002)
Ge, Jian, Angel, J. R. P., Jacobsen, B., Woolf, N., Fugate, R. Q., Black, J. H.
A prototype cross-dispersed optical echelle spectrograph of very high resolution has been designed and built at Steward Observatory and tested at the Starfire Optical Range (SOR) 1.5 m telescope. It...
Atomic and molecular gas in the merger galaxy NGC 1316 (Fornax A) and its environment (2001)
Horellou, C., Black, J. H., Van Gorkom, J. H., Combes, F., Van Der Hulst, J. M., Charmandaris, V.
We present and interpret observations of atomic and molecular gas toward the southern elliptical galaxy NGC 1316 (Fornax A), a strong double-lobe radio source with a disturbed optical morphology that...
ISO-SWS observations of pure rotational water absorption lines toward Orion-IRc2 (2000)
Wright, C. M., Van Dishoeck, E. F., Black, J. H., Feuchtgruber, H., Cernicharo, J., Gonzalez-Alfonso, E., ...
First detections of thermal water vapor absorption lines have been made toward Orion IRc2 using the Short Wavelength Spectrometer (SWS) on board the Infrared Space Observatory (ISO). Grating spectra...
ISO - SWS observations of pure rotational H2O absorption lines toward Orion - IRc2 (2000)
Wright, C.M., Dishoeck, E.F. Van, Feuchtgruber, H., Cernicharo, J., González-Alfonso, E., Black, J.H., ...
ISO - SWS observations of pure rotational H2O absorption lines toward Orion - IRc2 (2000)
Wright, C.M., Dishoeck, E.F. Van, Feuchtgruber, H., Cernicharo, J., González-Alfonso, E., Black, J.H., ...
ISO spectroscopy of young stellar objects (1999)
Dishoeck, E.F., Black, J.H., Boogert, A.C.A., Boonman, A.M.S., Ehrenfreund, P., Gerakines, P.A., ...
An Optical Ultrahigh Resolution Spectrograph for Use with Adaptive Optics (1996)
Ge, J., Jacobsen, B., Angel, J. R. P., Woolf, N., Black, J. H., Lloyd-Hart, M., ...
A prototype ultrahigh resolution spectrograph has been built with an adaptive optics telescope. It provides $250,000$ resolving power, 300 \AA\ wavelength coverage and 0.8\% efficiency.
The translucent molecular clouds toward HD 154368. I. Extinction, abundances and depletions (1996)
Snow, T.P., Black, J.H., Dishoeck, E.F. Van, Burks, G., Crutcher, R.M., Lutz, B.L., ...
Detection of hot, abundant water toward AFGL 2591 (1996)
Helmich, F.P., Dishoeck, E.F. Van, Black, J.H., Graauw, Th. De, Beintema, D.A., Heras, A.M., ...
A search for interstellar gas-phase CO2: gas/solid state abundance ratios (1996)
Dishoeck, E.F. Van, Helmich, F.P., Graauw, Th. De, Black, J.H., Boogert, A.C.A., Ehrenfreund, P., ...
The translucent molecular clouds toward HD 154368. I. Extinction, abundances and depletions (1996)
Snow, T.P., Black, J.H., Dishoeck, E.F. Van, Burks, G., Crutcher, R.M., Lutz, B.L., ...
Detection of hot, abundant water toward AFGL 2591 (1996)
Helmich, F.P., Dishoeck, E.F. Van, Black, J.H., Graauw, Th. De, Beintema, D.A., Heras, A.M., ...
A search for interstellar gas-phase CO2: gas/solid state abundance ratios (1996)
Dishoeck, E.F. Van, Helmich, F.P., Graauw, Th. De, Black, J.H., Boogert, A.C.A., Ehrenfreund, P., ...
Vibrationally excited H2, HCl and NO+ in the diffuse clouds toward zeta Ophiuchi (1995)
Federman, S.R., Cardelli, J.A., Dishoeck, E.F. Van, Lambert, D.L., Black, J.H.
The physical and chemical structure of the IC 63 nebula. II. Chemical models (1995)
Jansen, D.J., Dishoeck, E.F. Van, Black, J.H., Spaans, M., Sosin, C.
Vibrationally excited H2, HCl and NO+ in the diffuse clouds toward zeta Ophiuchi (1995)
Federman, S.R., Cardelli, J.A., Dishoeck, E.F. Van, Lambert, D.L., Black, J.H.
The physical and chemical structure of the IC 63 nebula. II. Chemical models (1995)
Jansen, D.J., Dishoeck, E.F. Van, Black, J.H., Spaans, M., Sosin, C.
Near-infrared observations of the proto-planetary nebula AFGL 618 (1992)
Latter, W.B., Maloney, P.R., Kelly, D.M., Black, J.H., Rieke, G.H., Rieke, M.J.
Near-infrared observations of the proto-planetary nebula AFGL 618 (1992)
Latter, W.B., Maloney, P.R., Kelly, D.M., Black, J.H., Rieke, G.H., Rieke, M.J.
CO J = 3 -> 2 observations of translucent and high-latitude molecular clouds (1991)
Dishoeck, E.F. Van, Phillips, T.G., Black, J.H., Gredel, R.
Measurements were carried out on the CO J = 3-2 emission line at 345 GHz from a number of translucent and high-latitude molecular clouds, as well as on the J = 2-1 and J = 1-0 lines of both the...
CO J = 3 -> 2 observations of translucent and high-latitude molecular clouds (1991)
Dishoeck, E.F. Van, Phillips, T.G., Black, J.H., Gredel, R.
Measurements were carried out on the CO J = 3-2 emission line at 345 GHz from a number of translucent and high-latitude molecular clouds, as well as on the J = 2-1 and J = 1-0 lines of both the...
H2 emission and CO absorption in Centaurus A: Evidence for a circumnuclear molecular disk (1990)
Israel, F.P., Dishoeck, E.F. Van, Baas, F., Koornneef, J., Black, J.H., Graauw, Th. De
Emission and absorption lines of H2 and CO in nuclei of several galaxies with strong NIR emission, including Centaurus A (NGC 5128), were studied at the La Silla observatory to obtain constraints on...
Interstellar absorption lines toward NGC 2264 and AFGL 2591: Abundances of H2, H+3 and CO (1990)
Black, J.H., Dishoeck, E.F. Van, Willner, S.P., Woods, R.C.
Interstellar absorption-line spectroscopy of NGC 2264 is reported which shows that the CO molecule has a column density of 5 x 10 to the 18th/sq cm and a rotational excitation temperature of 28 K. A...
H2 emission and CO absorption in Centaurus A: Evidence for a circumnuclear molecular disk (1990)
Israel, F.P., Dishoeck, E.F. Van, Baas, F., Koornneef, J., Black, J.H., Graauw, Th. De
Emission and absorption lines of H2 and CO in nuclei of several galaxies with strong NIR emission, including Centaurus A (NGC 5128), were studied at the La Silla observatory to obtain constraints on...
Interstellar absorption lines toward NGC 2264 and AFGL 2591: Abundances of H2, H+3 and CO (1990)
Black, J.H., Dishoeck, E.F. Van, Willner, S.P., Woods, R.C.
Interstellar absorption-line spectroscopy of NGC 2264 is reported which shows that the CO molecule has a column density of 5 x 10 to the 18th/sq cm and a rotational excitation temperature of 28 K. A...
Fluorescent vibration-rotation excitation of cometary C2 (1989)
Gredel, R., Dishoeck, E.F. Van, Black, J.H.
The statistical equilibrium equations that determine the population densities of the energy levels in cometary C2 molecules due to fluorescent excitation are examined in detail. The adopted model and...
Interstellar C2, CH, and CN in translucent molecular clouds (1989)
Dishoeck, E.F. Van, Black, J.H.
Optical absorption-line techniques have been applied to the study of a number of translucent molecular clouds in which the total column densities are large enough that substantial molecular...
Fluorescent vibration-rotation excitation of cometary C2 (1989)
Gredel, R., Dishoeck, E.F. Van, Black, J.H.
The statistical equilibrium equations that determine the population densities of the energy levels in cometary C2 molecules due to fluorescent excitation are examined in detail. The adopted model and...
Interstellar C2, CH, and CN in translucent molecular clouds (1989)
Dishoeck, E.F. Van, Black, J.H.
Optical absorption-line techniques have been applied to the study of a number of translucent molecular clouds in which the total column densities are large enough that substantial molecular...
Large molecules in diffuse interstellar clouds (1988)
Lepp, S., Dalgarno, A., Dishoeck, E.F. Van, Black, J.H.
The effects of the presence of a substantial component of large molecules on the chemistry of diffuse molecular clouds are explored, and detailed models of the zeta Persei and zeta Ophiuchi clouds...
Unresolved velocity structure in diffuse interstellar clouds (1988)
Black, J.H., Dishoeck, E.F. Van
Recent high-resolution observations of interstellar absorption lines of CH and CN toward Zeta Oph obtained by Crane et al. (1986), and Palazzi et al. (1988), exhibit line widths that suggest thermal...
The small molecular cloud toward HD 169454 (1988)
Jannuzi, B.T., Black, J.H., Lada, C.J., Dishoeck, E.F. Van
Optical absorption line observations of the B1 supergiant HD 169454 reveal the presence of an intervening translucent interstellar cloud. Millimeter wavelength observations of CO emission show that...
The photodissociation and chemistry of interstellar CO (1988)
Dishoeck, E.F. Van, Black, J.H.
Recent work on the vacuum UV absorption spectrum of CO to the description of the photodissociation of interstellar CO and its principal isotopic varieties is discussed. The effects of line...
Large molecules in diffuse interstellar clouds (1988)
Lepp, S., Dalgarno, A., Dishoeck, E.F. Van, Black, J.H.
The effects of the presence of a substantial component of large molecules on the chemistry of diffuse molecular clouds are explored, and detailed models of the zeta Persei and zeta Ophiuchi clouds...
Unresolved velocity structure in diffuse interstellar clouds (1988)
Black, J.H., Dishoeck, E.F. Van
Recent high-resolution observations of interstellar absorption lines of CH and CN toward Zeta Oph obtained by Crane et al. (1986), and Palazzi et al. (1988), exhibit line widths that suggest thermal...
The small molecular cloud toward HD 169454 (1988)
Jannuzi, B.T., Black, J.H., Lada, C.J., Dishoeck, E.F. Van
Optical absorption line observations of the B1 supergiant HD 169454 reveal the presence of an intervening translucent interstellar cloud. Millimeter wavelength observations of CO emission show that...
The photodissociation and chemistry of interstellar CO (1988)
Dishoeck, E.F. Van, Black, J.H.
Recent work on the vacuum UV absorption spectrum of CO to the description of the photodissociation of interstellar CO and its principal isotopic varieties is discussed. The effects of line...
Fluorescent excitation of interstellar H2 (1987)
Black, J.H., Dishoeck, E.F. Van
The infrared emission spectrum of H2 excited by ultraviolet absorption, followed by fluorescence, was investigated using comprehensive models of interstellar clouds for computing the spectrum and to...
Fluorescent excitation of interstellar H2 (1987)
Black, J.H., Dishoeck, E.F. Van
The infrared emission spectrum of H2 excited by ultraviolet absorption, followed by fluorescence, was investigated using comprehensive models of interstellar clouds for computing the spectrum and to...
Dishoeck, E.F. Van, Black, J.H.
The limitations of steady state models of interstellar clouds are explored by means of comparison with observational data corresponding to clouds in front of Zeta Per, Zeta Oph, Chi Oph, and Omicron...
Detection of the (3, 0) Phillips band of interstellar C2 toward Zeta Ophiuchi (1986)
Dishoeck, E.F. Van, Black, J.H.
Observations of C2 in the (3,O) band around 7720 A toward Zeta Ophiuchi are presented and used to provide additional support for the suggestion of a low temperature in the center of the principal...
Dishoeck, E.F. Van, Black, J.H.
The limitations of steady state models of interstellar clouds are explored by means of comparison with observational data corresponding to clouds in front of Zeta Per, Zeta Oph, Chi Oph, and Omicron...
Detection of the (3, 0) Phillips band of interstellar C2 toward Zeta Ophiuchi (1986)
Dishoeck, E.F. Van, Black, J.H.
Observations of C2 in the (3,O) band around 7720 A toward Zeta Ophiuchi are presented and used to provide additional support for the suggestion of a low temperature in the center of the principal...