Star formation history of CMa R1: I. Wide-field X-ray study of the young stellar population (2009)
Gregorio-Hetem, J., Montmerle, T., Rodrigues, C. V., Marciotto, E., Preibisch, T., Zinnecker, H.
The CMa R1 star-forming region contains several compact clusters as well as many young early-B stars. It is associated with a well-known bright rimmed nebula, the nature of which is unclear (fossil...
Kraus, S., Weigelt, G., Balega, Y. Y., Docobo, J. A., Preibisch, T., ...
The nearby high-mass star binary system Theta 1 Orionis C is the brightest and most massive of the Trapezium OB stars at the core of the Orion Nebula Cluster, and it represents a perfect laboratory...
Kraus, S., Benisty, M., Chesneau, O., Isella, A., ...
Context. Accretion and outflow processes are of fundamental importance for our understanding of the formation of stars and planetary systems. To trace these processes, diagnostic spectral lines such...
Kraus, S., Benisty, M., Chesneau, O., Isella, A., ...
To trace the accretion and outflow processes around YSOs, diagnostic spectral lines such as the BrG 2.166 micron line are widely used, although due to a lack of spatial resolution, the origin of the...
Accretion and Outflow-Related X-Rays in T Tauri Stars (2007)
Guedel, M., Briggs, K., Arzner, K., Audard, M., Bouvier, J., Dougados, C., ...
We report on accretion- and outflow-related X-rays from T Tauri stars, based on results from the "XMM-Newton Extended Survey of the Taurus Molecular Cloud." X-rays potentially form in shocks of...
Direct constraint on the distance of Gamma2 Velorum from AMBER/VLTI observations. (2007)
Millour, F., G. Petrov, R., Chesneau, O., Bonneau, D., Dessart, L., Bechet, C., ...
In this work, we present the first AMBER observations, of the Wolf-Rayet and O (WR+O) star binary system y² Velorum. The AMBER instrument was used with the telescopes UT2, UT3, and UT4 on baselines...
Direct constraint on the distance of Gamma2 Velorum from AMBER/VLTI observations. (2007)
Millour, F., G. Petrov, R., Chesneau, O., Bonneau, D., Dessart, L., Bechet, C., ...
In this work, we present the first AMBER observations, of the Wolf-Rayet and O (WR+O) star binary system y² Velorum. The AMBER instrument was used with the telescopes UT2, UT3, and UT4 on baselines...
Disks around young stars with VLTI/MIDI (2006)
Ãbrahám, P., Correia, S., Koter, A. De, Dominik, C., Dutrey, A., ...
We report on observations of circumstellar disks around young stars that have been obtained with the MIDI instrument, which is mounted on the VLT Interferometer and operates in the 10 mum atmospheric...
Ohnaka, K., Driebe, T., Hofmann, K.H., Leinert, C., Morel, S., Paresce, F., ...
We present the results of N-band spectro-interferometric observations of the silicate carbon star IRAS08002-3803 with the MID-infrared Interferometric instrument (MIDI) at the Very Large Telescope...
Malbet, F., Benisty, M., De Wit, W.J., Kraus, S., Meilland, A., Millour, F., ...
The young stellar object MWC 297 is an embedded B1.5Ve star exhibiting strong hydrogen emission lines and a strong near-infrared continuum excess. This object has been observed with the VLT...
Malbet, Fabien, Benisty, M., De Wit, W.J., Kraus, S., Meilland, A., Millour, F., ...
The young stellar object MWC297 is a B1.5Ve star exhibiting strong hydrogen emission lines. This object has been observed by the AMBER/VLTI instrument in 2-telescope mode in a sub-region of the K...
Global X-ray properties of the Orion Nebula region (2005)
Feigelson, E. D., Getman, K., Townsley, L., Garmire, G., Preibisch, T., Grosso, N., ...
Chandra Orion Ultradeep Project : Observations and source lists (2005)
Getman, K. V., Flaccomio, E., Broos, P. S., Grosso, N., Tsujimoto, M., Townsley, L., ...
Mid-infrared interferometry of the Mira variable RR Sco with the VLTI MIDI instrument (2005)
Ohnaka, K., Bergeat, J., Driebe, T., Graser, U., Hofmann, K. H., Köhler, R., ...
X-ray emission from young brown dwarfs in the Orion Nebula Cluster (2005)
Preibisch, T., McCaughrean, M. J., Grosso, N., Feigelson, E. D., Flaccomio, E., Getman, K., ...
Close binary companions of the HAeBe stars LkH alpha 198, Elias 1, HK Ori and V380 Ori (2005)
Smith, K. W., Balega, Y. Y., Duschl, W. J., Hofmann, K. H., Lachaume, R., Preibisch, T., ...
Malbet, F., Benisty, M., De Wit, W.J., Kraus, S., Meilland, A., Millour, F., ...
The young stellar object MWC 297 is an embedded B1.5Ve star exhibiting strong hydrogen emission lines and a strong near-infrared continuum excess. This object has been observed with the VLT...
Malbet, Fabien, Benisty, M., De Wit, W.J., Kraus, S., Meilland, A., Millour, F., ...
The young stellar object MWC297 is a B1.5Ve star exhibiting strong hydrogen emission lines. This object has been observed by the AMBER/VLTI instrument in 2-telescope mode in a sub-region of the K...
Leinert, C., Chesneau, O., Malbet, F., Kohler, R., ...
We present the first long baseline mid-infrared interferometric observations of the circumstellar disks surrounding Herbig Ae/Be stars. The observations were obtained using the mid-infrared...
The building blocks of planets within the `terrestrial' region of protoplanetary disks (2004)
Min, M., Leinert, C., Richichi, A., Chesneau, O., ...
Our Solar System was formed from a cloud of gas and dust. Most of the dust mass is contained in amorphous silicates, yet crystalline silicates are abundant throughout the Solar System, reflecting the...
Speckle interferometry of the HAeBe star V376 Cas (2004)
Smith, K. W., Balega, Y. Y., Hofmann, K. H., Preibisch, T., Schertl, D., Weigelt, G.
The building blocks of planets within the 'terrestrial' region of protoplanetary disks (2004)
Van Boekel, R., Min, M., Leinert, C., Richichi, A., Chesneau, O., ...
Bispectrum speckle interferometry of the massive protostellar outflow source AFGL 2591 (2003)
Preibisch, T., Balega, Y. Y., Schertl, D., Weigelt, G.
We present bispectrum speckle interferometry of the massive protostellar object AFGL 2591 in the near- infrared K- band. Our reconstructed image of the outflow cavity of AFGL 2591 has a resolution of...
Constraints on the IMF and the brown dwarf population of the young cluster IC 348 (2003)
Preibisch, T., Stanke, T., Zinnecker, H.
We use a deep near-infrared census of the young stellar cluster IC 348 to construct and analyze its luminosity function. Our mosaic image of IC 348 covers the full extent of the cluster with a...
High-resolution infrared imaging of young outflow-sources (2003)
Preibisch, T., Schertl, D., Weigelt, G.
We discuss recent results from near-infrared bispectrum speckle interferometry observations of the young outflow sources in the S140 and Mon R2 star forming regions. With spatial resolutions down to...
Orbital motion of the massive multiple stars in the Orion Trapezium (2003)
Schertl, D., Balega, Y. Y., Preibisch, T., Weigelt, G.
We present bispectrum speckle interferometry of the multiple Orion Trapezium stars theta(1) Ori A, theta(1) Ori B, and theta(1) OriC obtained with the SAO 6 m telescope in Russia over a period of 5.5...
XMM-Newton study of the Serpens star-forming region (2003)
We analyze a XMM-Newton X-ray observation of the Serpens dark cloud with a total MOS-equivalent exposure time of 57 ksec. We find 45 individual X-ray sources. None of the class 0 protostars, only one...
XMM-Newton study of the star forming region NGC 1333 (2003)
We analyze the data of a deep XMM-Newton X-ray imaging observation of the NGC 1333 star forming region. The observation covered a period of about 14 hours and has a total MOS-equivalent exposure time...
Hard X-ray emission from a young massive star-forming cluster (2002)
Beuther, H., Kerp, J., Preibisch, T., Stanke, T., Schilke, P.
We report the detection of hard X-ray emission (>2 keV) from a number of point sources associated with the very young massive star-forming region IRAS 19410 + 2336. The X-ray emission is detected...
High-resolution study of the young stellar objects in Mon R2 IRS 3 (2002)
Preibisch, T., Balega, Y. Y., Schertl, D., Weigelt, G.
We present a bispectrum speckle interferometry study of the embedded young stellar objects in Mon R2 IRS 3 in the near- infrared H and K bands. Our images with a resolution of 75 mas (= 62 AU) show a...
Exploring the full stellar population of the Upper Scorpius OB association (2002)
Preibisch, T., Brown, A. G. A., Bridges, T., Guenther, E., Zinnecker, H.
We investigate the stellar population and star formation history of the Upper Scorpius OB association, the most nearby region of recent massive star formation, over the full stellar mass range from...
The outflow activity of the protostars in S140IRS (2002)
The S140/L1204 cloud contains a deeply embedded region of star formation and a powerful molecular outflow. In this paper, we present images of the S140 region obtained in the light of the 2.12 mum...
We explore the X-ray properties of the young stellar and substellar objects in the open cluster IC 348 as seen in our deep Chandra X-Ray Observatory Advanced CCD Imaging Spectrometer image. First, we...
Diffraction-limited bispectrum speckle interferometry of the Herbig Be star R Mon (2002)
Weigelt, G., Balega, Y. Y., Hofmann, K. H., Preibisch, T.
We explore the structures immediately surrounding the intermediate-mass young stellar object R Mon with bispectrum speckle interferometry, conventional near-infrared imaging and by analyzing optical...
Weigelt, G., Balega, Y. Y., Preibisch, T., Schertl, D., Smith, M. D.
Bispectrum speckle interferometry is employed to explore the immediate environment of the deeply embedded young stellar object S140 IRS1. A K'-band (2.0-2.3 mum) diffraction-limited resolution of 76...
Multiple outflows from the massive protostar S140 IRS1 (2002)
Preibisch, T., Weigelt, G., Schertl, D., Balega, Y., Smith, M.
Discovery of a molecular outflow, near-infrared jet and HH objects towards IRAS 06047-1117 (2002)
Yun, J. L., Santos, C. A., Clemens, D. P., Afonso, J. M., McCoughrean, M. J., Preibisch, T., ...