Fragmentation and mass segregation in the massive dense cores of Cygnus X (2009)
Bontemps, S., Motte, F., Csengeri, T., Schneider, N.
We present Plateau de Bure interferometer observations obtained in continuum at 1.3 and 3.5 mm towards the six most massive and young (IR-quiet) dense cores in Cygnus X. Located at only 1.7 kpc, the...
S-bearing molecules in massive dense cores (2009)
Herpin, F., Marseille, M., Wakelam, V., Bontemps, S., Lis, D. C.
Context. Although few in number, high-mass stars play a major role in the interstellar energy budget and the shaping of the Galactic environment; however, the formation of high-mass stars is not well...
ATLASGAL - The APEX Telescope Large Area Survey of the Galaxy at 870 microns (2009)
Schuller, F., Menten, K. M., Contreras, Y., Wyrowski, F., Schilke, P., Bronfman, L., ...
(Abridged) Studying continuum emission from interstellar dust is essential to locate and characterize the highest density regions in the interstellar medium. In particular, the early stages of...
ATLASGAL - The APEX Telescope Large Area Survey of the Galaxy at 870 microns (2009)
Schuller, F., Menten, K. M., Contreras, Y., Wyrowski, F., Schilke, P., Bronfman, L., ...
(Abridged) Studying continuum emission from interstellar dust is essential to locate and characterize the highest density regions in the interstellar medium. In particular, the early stages of...
ATLASGAL - The APEX Telescope Large Area Survey of the Galaxy at 870 microns (2009)
Schuller, F., Menten, K. M., Contreras, Y., Wyrowski, F., Schilke, P., Bronfman, L., ...
(Abridged) Studying continuum emission from interstellar dust is essential to locate and characterize the highest density regions in the interstellar medium. In particular, the early stages of...
S-bearing molecules in Massive Dense Cores (2009)
Herpin, Fabrice, Marseille, M., Wakelam, Valentine, Bontemps, S., Lis, D.C.
Chemical composition of the massive cores forming high-mass stars can put some constrains on the time scale of the massive star formation: sulphur chemistry is of specific interest due to its rapid...
S-bearing molecules in Massive Dense Cores (2009)
Herpin, Fabrice, Marseille, M., Wakelam, Valentine, Bontemps, S., Lis, D.C.
Chemical composition of the massive cores forming high-mass stars can put some constrains on the time scale of the massive star formation: sulphur chemistry is of specific interest due to its rapid...
André, P., Minier, V., Gallais, P., Reveret, V., Pennec, J. Le, Rodriguez, L., ...
Context: The earliest phases of massive star formation are currently much debated. Aims. In an effort to make progress, we took a census of Class0-like protostellar dense cores in the NGC 3576...
Motte, F., Bontemps, S., Schneider, N., Schilke, P., Menten, K. M.
As Th. Henning said at the conference, cold precursors of high-mass stars are now ``hot topics''. We here propose some observational criteria to identify massive infrared-quiet dense cores which can...
Motte, F., Bontemps, S., Schneider, N., Schilke, P., Menten, K. M.
As Th. Henning said at the conference, cold precursors of high-mass stars are now ``hot topics''. We here propose some observational criteria to identify massive infrared-quiet dense cores which can...
Evolution of massive protostars: the IRAS 18151-1208 region (2008)
Marseille, M., Bontemps, S., Herpin, F., Purcell, C. R.
The study of physical and chemical properties of massive protostars is critical to better understand the evolutionary sequence which leads to the formation of high-mass stars. IRAS 18151-1208 is a...
Duchêne, G., Bontemps, S., Bouvier, J., André, P., Djupvik, A. A., Ghez, A. M.
Context: Multiple systems are the product of protostellar core fragmentation. Studying their statistical properties in young stellar populations therefore probes the physical processes at play during...
Duchêne, G., Bontemps, S., Bouvier, J., André, P., Djupvik, A. A., Ghez, A. M.
Context: Multiple systems are the product of protostellar core fragmentation. Studying their statistical properties in young stellar populations therefore probes the physical processes at play during...
Ligands ambiphiles phosphine-borane : synthèse et coordination (2008)
Dans le premier chapitre, une étude bibliographique présente les rôles joués par les acides de Lewis du groupe 13, principalement du bore, en chimie organométallique. Même si dans ce domaine,...
Duchêne, G., Bontemps, S., Bouvier, J., André, P., Djupvik, A. A., Ghez, A. M.
Context: Multiple systems are the product of protostellar core fragmentation. Studying their statistical properties in young stellar populations therefore probes the physical processes at play during...
Duchêne, G., Bontemps, S., Bouvier, J., André, P., Djupvik, A. A., Ghez, A. M.
Context: Multiple systems are the product of protostellar core fragmentation. Studying their statistical properties in young stellar populations therefore probes the physical processes at play during...
J. M. Rathborne, K. J. Brooks, M. G. Burton, M. Cohen, S. Bontemps
Abstract. Results are presented from a multi-wavelength study of the giant pillars within the Carina Nebula. Using near-IR data from 2MASS, mid-IR data from MSX, 843 MHz radio continuum maps from the...
Motte, Frédérique, Bontemps, S., Schneider, N., Schilke, P., Menten, K. M.
As Pr. Th. Henning said at the conference, cold precursors of high-mass stars are now "hot topics". We here propose some observational criteria to identify massive infrared-quiet dense cores which...
Evolution of massive protostars: the IRAS 18151-1208 region (2008)
Marseille, M., Bontemps, S., Herpin, Fabrice, Purcell, C. R.
The study of physical and chemical properties of massive protostars is critical to better understand the evolutionary sequence which leads to the formation of high-mass stars. IRAS 18151-1208 is a...
Evolution of massive protostars: the IRAS 18151-1208 region (2008)
Marseille, M., Bontemps, S., Herpin, Fabrice, Purcell, C. R.
The study of physical and chemical properties of massive protostars is critical to better understand the evolutionary sequence which leads to the formation of high-mass stars. IRAS 18151-1208 is a...
F. Motte, P. André, D. Ward-thompson, S. Bontemps
Abstract. We report the results of a submillimeter dust continuum survey of the protoclusters NGC 2068 and NGC 2071 in Orion B carried out at 850µm and 450µm with SCUBA on JCMT. The mapped region...
ISOCAM Observations of Young Low-mass Stars (2007)
G. Olofsson, A. A. Kaas, L. Nordh, S. Bontemps, M. Huldtgren, A. Abergel, ...
Abstract. One of the nearby sites of star formation, the Chamaeleon I region, is mapped in an ISOCAM survey program and we derive a preliminary luminosity function. There is a clear indication that...
A. A. Kaas, G. Olofsson, S. Bontemps, L. Nordh, M. Huldtgren, A. Abergel, ...
We present the first results of a mid-IR survey of the
G. Olofsson, A. A Kaas, S. Bontemps, L. Nordh, M. Huldtgren, A. Abergel, ...
, T. Montmerle
Duchêne, G., Bontemps, S., Bouvier, J., André, P., Djupvik, A. A., Ghez, A. M.
(abridged) Our project endeavors to obtain a robust view of multiplicity among embedded Class I and Flat Spectrum protostars in a wide array of nearby molecular clouds to disentangle ``universal''...
Motte, Frédérique, Bontemps, S., Schilke, P., Schneider, N., Menten, K. M., Broguière, D.
We have made an extensive 1.2mm continuum mosaicing study of the Cygnus X molecular cloud complex using the MAMBO cameras at the IRAM 30 m telescope. We then compared our mm maps with mid-IR images,...
The cooling of atomic and molecular gas in DR21 (2007)
Jakob, H., Kramer, C., Simon, R., Schneider, N., Ossenkopf, V., Bontemps, S., ...
We present an overview of a high-mass star formation region through the major (sub-)mm, and far-infrared cooling lines to gain insight into the physical conditions and the energy budget of the...
SCUBA observations of the Horsehead Nebula - what did the horse swallow? (2007)
Ward-Thompson, D., Nutter, D., Bontemps, S., Whitworth, A., Attwood, R.
We present observations taken with SCUBA on the JCMT of the Horsehead Nebula in Orion (B33), at wavelengths of 450 and 850 \mum. We see bright emission from that part of the cloud associated with the...
A VLA search for young protostars embedded in dense cores (2007)
Stamatellos, D., Ward-Thompson, D., Whitworth, A. P., Bontemps, S.
Four dense cores, L1582A, L1689A, B133 and B68, classified as prestellar in terms of the absence of detectable NIR emission, are observed at radio wavelengths to investigate whether they nurture very...
Djupvik, A. A., Andre, Ph., Bontemps, S., Motte, F., Olofsson, G., Gaalfalk, M., ...
Aims. The aim of this paper is to characterise the star formation activity in the poorly studied embedded cluster Serpens/G3-G6, located ~ 45' (3 pc) to the south of the Serpens Cloud Core, and to...
Motte, Frédérique, Bontemps, S., Schilke, P., Schneider, N., M. Menten, K., Broguière, D.
We have made an extensive 1.2mm continuum mosaicing study of the Cygnus X molecular cloud complex using the MAMBO cameras at the IRAM 30 m telescope. We then compared our mm maps with mid-IR images,...
Motte, Frédérique, Bontemps, S., Schilke, P., Schneider, N., M. Menten, K., Broguière, D.
We have made an extensive 1.2mm continuum mosaicing study of the Cygnus X molecular cloud complex using the MAMBO cameras at the IRAM 30 m telescope. We then compared our mm maps with mid-IR images,...
A VLA search for young protostars embedded in dense cores (2006)
Stamatellos, D., Ward-Thompson, D., Whitworth, A. P., Bontemps, S.
Four dense cores, L1582A, L1689A, B133 and B68, classified as prestellar in terms of the absence of detectable NIR emission, are observed at radio wavelengths to investigate whether they nurture very...
The cooling of atomic and molecular gas in DR21 (2006)
Jakob, H., Kramer, C., Simon, R., Schneider, N., Ossenkopf, V., Bontemps, S., ...
We present an overview of a high-mass star formation region through the major (sub-)mm, and far-infrared cooling lines to gain insight into the physical conditions and the energy budget of the...
Djupvik, A. A., Andre, Ph., Bontemps, S., Motte, F., Olofsson, G., Gaalfalk, M., ...
Aims. The aim of this paper is to characterise the star formation activity in the poorly studied embedded cluster Serpens/G3-G6, located ~ 45' (3 pc) to the south of the Serpens Cloud Core, and to...
Duchene, G., Bouvier, J., Bontemps, S., Andre, P., Motte, F.
(Abridged) We performed a deep infrared imaging survey of 63 embedded young stellar objects (YSOs) located in the Taurus and Ophiuchus clouds to search for companions. The sample includes Class I and...
SCUBA observations of the Horsehead Nebula - what did the horse swallow? (2006)
Ward-Thompson, D., Nutter, D., Bontemps, S., Whitworth, A., Attwood, R.
We present observations taken with SCUBA on the JCMT of the Horsehead Nebula in Orion (B33), at wavelengths of 450 and 850 \mum. We see bright emission from that part of the cloud associated with the...
Ligands ambiphiles phosphine-borane : synthèse et coordination (2006)
Dans le premier chapitre, une étude bibliographique présente les rôles joués par les acides de Lewis du groupe 13, principalement du bore, en chimie organométallique. Même si dans ce domaine,...
Ligands ambiphiles phosphine-borane : synthèse et coordination (2006)
Dans le premier chapitre, une étude bibliographique présente les rôles joués par les acides de Lewis du groupe 13, principalement du bore, en chimie organométallique. Même si dans ce domaine,...
Ligands ambiphiles phosphine-borane : synthèse et coordination (2006)
Dans le premier chapitre, une étude bibliographique présente les rôles joués par les acides de Lewis du groupe 13, principalement du bore, en chimie organométallique. Même si dans ce domaine,...
ISOCAM observations of the L1551 star formation region (2005)
Gålfalk, M., Olofsson, G., Kaas, A. A., Olofsson, S., Bontemps, S., Nordh, L., ...
The results of a deep mid-IR ISOCAM survey of the L1551 dark molecular cloud are presented. The aim of this survey is a search for new YSO (Young Stellar Object) candidates, using two broad-band...
The young stellar population in the Serpens Cloud Core: An ISOCAM survey (2005)
Kaas, A. A., Olofsson, G., Bontemps, S., Andre, P., Nordh, L., Huldtgren, M., ...
We present results from an ISOCAM survey in the two broad band filters LW2 (5-8.5 mu) and LW3 (12-18 mu) of a 0.13 square degree coverage of the Serpens Main Cloud Core. A total of 392 sources were...
A SCUBA survey of the NGC 2068/2071 protoclusters (2005)
Motte, F., Andre, P., Ward-Thompson, D., Bontemps, S.
We report the results of a submillimeter dust continuum survey of the protoclusters NGC 2068 and NGC 2071 in Orion B carried out at 850 microns and 450 microns with SCUBA on JCMT. The mapped region...
Bontemps, S., Andre, P., Kaas, A. A., Nordh, L., Olofsson, G., Huldtgren, M., ...
We present the results of the first extensive mid-infrared (IR) imaging survey of the rho Ophiuchi embedded cluster, performed with the ISOCAM camera on board the ISO satellite. The main molecular...
The earliest phases of massive star formation within entire molecular cloud complexes (2005)
Motte, F., Bontemps, S., Schilke, P., Lis, D. C., Schneider, N., Menten, K. M.
Duchene, G., Bouvier, J., Bontemps, S., Andre, P., Motte, F.
(Abridged) We performed a deep infrared imaging survey of 63 embedded young stellar objects (YSOs) located in the Taurus and Ophiuchus clouds to search for companions. The sample includes Class I and...
ISOCAM observations of the L1551 star formation region (2004)
Gålfalk, M., Olofsson, G., Kaas, A. A., Olofsson, S., Bontemps, S., Nordh, L., ...
The results of a deep mid-IR ISOCAM survey of the L1551 dark molecular cloud are presented. The aim of this survey is a search for new YSO (Young Stellar Object) candidates, using two broad-band...
The young stellar population in the Serpens Cloud Core: An ISOCAM survey (2004)
Kaas, A. A., Olofsson, G., Bontemps, S., Andre, P., Nordh, L., Huldtgren, M., ...
We present results from an ISOCAM survey in the two broad band filters LW2 (5-8.5 mu) and LW3 (12-18 mu) of a 0.13 square degree coverage of the Serpens Main Cloud Core. A total of 392 sources were...
ISOCAM observations of the L1551 star formation region (2004)
Gålfalk, M., Olofsson, G., Kaas, A. A., Olofsson, S., Bontemps, S., Nordh, L., ...
The results of a deep mid-IR ISOCAM survey of the L1551 dark molecular cloud are presented. The aim of this survey is a search for new YSO (Young Stellar Object) candidates, using two broad-band...
The young stellar population in the Serpens Cloud Core: An ISOCAM survey (2004)
Kaas, A. A., Olofsson, G., Bontemps, S., Andre, P., Nordh, L., Huldtgren, M., ...
We present results from an ISOCAM survey in the two broad band filters LW2 (5-8.5 mu) and LW3 (12-18 mu) of a 0.13 square degree coverage of the Serpens Main Cloud Core. A total of 392 sources were...
Duchene, G., Bouvier, J., Bontemps, S., Andre, P., Motte, F.
(Abridged) We performed a deep infrared imaging survey of 63 embedded young stellar objects (YSOs) located in the Taurus and Ophiuchus clouds to search for companions. The sample includes Class I and...
ISOCAM observations of the L1551 star formation region (2004)
Gålfalk, M., Olofsson, G., Kaas, A. A., Olofsson, S., Bontemps, S., Nordh, L., ...
The results of a deep mid-IR ISOCAM survey of the L1551 dark molecular cloud are presented. The aim of this survey is a search for new YSO (Young Stellar Object) candidates, using two broad-band...
The young stellar population in the Serpens Cloud Core: An ISOCAM survey (2004)
Kaas, A. A., Olofsson, G., Bontemps, S., Andre, P., Nordh, L., Huldtgren, M., ...
We present results from an ISOCAM survey in the two broad band filters LW2 (5-8.5 mu) and LW3 (12-18 mu) of a 0.13 square degree coverage of the Serpens Main Cloud Core. A total of 392 sources were...
Duchene, G., Bouvier, J., Bontemps, S., Andre, P., Motte, F.
(Abridged) We performed a deep infrared imaging survey of 63 embedded young stellar objects (YSOs) located in the Taurus and Ophiuchus clouds to search for companions. The sample includes Class I and...
The Carbon content in the Galactic CygnusX/DR21 star forming region (2003)
Jakob, H., Simon, R., Kramer, C., Mookerjea, B., Schneider, N., Bontemps, S., ...
Observations of Carbon bearing species are among the most important diagnostic probes of ongoing star formation. CO is a surrogate for H$_2$ and is found in the vicinity of star formation sites....
The Giant Pillars of the Carina Nebula (2003)
Rathborne, J. M., Brooks, K. J., Burton, M. G., Cohen, M., Bontemps, S.
Results are presented from a multi-wavelength study of the giant pillars within the Carina Nebula. Using near-IR data from 2MASS, mid-IR data from MSX, 843MHz radio continuum maps from the MOST, and...
Evolution of very small particles in the southern part of Orion B observed by ISOCAM (2002)
Abergel, A., Bernard, J. P., Boulanger, F., Cesarsky, D., Falgarone, E., Jones, A., ...
We present ISOCAM observations (5-18 mum) of the southern part of Orion B, including the reflection nebula NGC 2023 and the Horsehead nebula illuminated by the B star HD 37903 and the O star sigma...
Bontemps, S, André, P, Kaas, AA, Nordh, L, Olofsson, G, Huldtgren, M, ...
We present the results of the first extensive mid-infrared (IR) imaging survey of the rho Ophiuchi embedded cluster, performed with the ISOCAM camera on board the ISO satellite. The main rho Ophiuchi...
A SCUBA survey of the NGC 2068/2071 protoclusters (2001)
Motte, F., Andre, P., Ward-Thompson, D., Bontemps, S.
We report the results of a submillimeter dust continuum survey of the protoclusters NGC 2068 and NGC 2071 in Orion B carried out at 850 microns and 450 microns with SCUBA on JCMT. The mapped region...
Bontemps, S., Andre, P., Kaas, A. A., Nordh, L., Olofsson, G., Huldtgren, M., ...
We present the results of the first extensive mid-infrared (IR) imaging survey of the rho Ophiuchi embedded cluster, performed with the ISOCAM camera on board the ISO satellite. The main molecular...
A SCUBA survey of the NGC 2068/2071 protoclusters (2001)
Motte, F., Andre, P., Ward-Thompson, D., Bontemps, S.
We report the results of a submillimeter dust continuum survey of the protoclusters NGC 2068 and NGC 2071 in Orion B carried out at 850 microns and 450 microns with SCUBA on JCMT. The mapped region...
Bontemps, S., Andre, P., Kaas, A. A., Nordh, L., Olofsson, G., Huldtgren, M., ...
We present the results of the first extensive mid-infrared (IR) imaging survey of the rho Ophiuchi embedded cluster, performed with the ISOCAM camera on board the ISO satellite. The main molecular...
A SCUBA survey of the NGC 2068/2071 protoclusters (2001)
Motte, F., Andre, P., Ward-Thompson, D., Bontemps, S.
We report the results of a submillimeter dust continuum survey of the protoclusters NGC 2068 and NGC 2071 in Orion B carried out at 850 microns and 450 microns with SCUBA on JCMT. The mapped region...
Bontemps, S., Andre, P., Kaas, A. A., Nordh, L., Olofsson, G., Huldtgren, M., ...
We present the results of the first extensive mid-infrared (IR) imaging survey of the rho Ophiuchi embedded cluster, performed with the ISOCAM camera on board the ISO satellite. The main molecular...
Time-dependent accretion and ejection implied by pre-stellar density profiles (1997)
Henriksen, R., Andre, P., Bontemps, S.
Recent observations suggest that mass ejection and mass accretion both decline significantly with time during early protostellar evolution (Bontemps et al. 1996). In the present paper, we propose...
ISOCAM observations of low-luminosity young stellar objects in the Chamaeleon dark clouds (1996)
Nordh, L, Olofsson, G, Abergel, A, Andre, P, Blommaert, Joris; U0037630, Bontemps, S, ...
We report the first results from an ISOCAM survey for low-luminosity, young stellar objects (YSOs) in nearby star formation regions. The present Letter concerns three regions within the Chamaeleon...