779 datasets found

Keywords: molecular clouds

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  • NGC 2068/2071 protoclusters

    We report on a wide-field submillimeter continuum survey of the NGC 2068/2071 protoclusters in the Orion B cloud complex. We used the SCUBA bolometer array on JCMT to map a...
  • IR survey of outflows in Orion A

    We have made an unbiased imaging survey of a 1.2 square degree area in the Orion A giant molecular cloud searching for molecular hydrogen emission line features seen in the...
  • SOFI and ISOCAM observations of Cha II

    An infrared study including ISOCAM images at 6.75 and 14.3{mu}m of a large portion (28'x26') of the Chamaeleon II dark cloud and sub-arcsec resolution JHKs images of the central...
  • Interstellar NaI D-line

    We present intermediate results from a long-term program of mapping the neutral absorption characteristics of the local interstellar medium, motivated by the availability of...
  • Brown Dwarfs in ChaI Dark Cloud

    We present the results of a multiband survey for brown dwarfs in the Chamaeleon I dark cloud with the Wide Field Imager (WFI) camera at the ESO/MPG 2.2-m telescope on La Silla...
  • WSRT wide-field HI survey. II.

    We have used the Westerbork array to carry out an unbiased wide-field survey for HI emission features, achieving an RMS sensitivity of about 18mJy/Beam at a velocity resolution...
  • Infrared knots along protostellar jets

    We present the near infrared spectra (0.9-2.5 micron) of protostellar jets (HH 24-26, HH72, BHR71). The observations were carried out with Sofi at R~600 with the 1x290arcsec...
  • CO abundance of 3 globules

    We have studied the ratio of carbon monoxide column density to the extinction A_J_ of background field stars in the direction of three globules: B133, B335, L466. The N(CO) to...
  • IRAS 08211-4158 cluster IR photometry

    We present the astrometry and near infrared photometry (H, K, L, M) of the cluster associated with the star forming region IRAS 08211-4158 in the Vela Molecular Clouds. The...
  • Stellar objects in the Serpens cloud field

    We present near infrared (J, H and Ks) observations of a 5'x10' sample field in the Serpens Star Formation region obtained with SOFI at the NTT. These observations are sensitive...
  • 1.2mm mapping of RCW 106 Giant Molecular Cloud

    We have mapped the dust continuum emission from the molecular cloud covering a region of 28pcx94pc associated with the well-known H II region RCW 106 at 1.2mm using SIMBA on...
  • H_2_ flows in rho Ophiuchi A

    We present an unbiased search for molecular hydrogen emission in the L1688 cloud within the rho Ophiuchi molecular cloud complex. Our near-infrared survey covers a connected...
  • Rest frequencies of methanol maser lines

    We report accurate laboratory measurements of selected methanol transition frequencies between 0.834 and 230GHz in order to facilitate astronomical velocity analyses. New data...
  • C^18^O/C^17^O near rho Oph

    Observations of up to ten carbon monoxide (CO and isotopomers) transitions are presented to study the interstellar C^18^O/C^17^O ratio towards 21 positions in the nearby...
  • Observations at 850um in Perseus clusters

    We present a complete survey of current star formation in the Perseus molecular cloud, made at 850 and 450{mu} with SCUBA at the JCMT. Covering 3deg^2^, this submillimetre...
  • Interstellar ^12^C/^13^C ratios

    The ^12^C/^13^C isotope ratio is a tracer of stellar yields and the efficiency of mixing in the ISM. ^12^CH^+^/^13^CH^+^ is not affected by interstellar chemistry, and is the...
  • 1.2mm continuum observations in rho Oph cloud

    We have performed a wide field survey for dust sources at 1.2-millimetres in the rho Ophiuchi molecular cloud, covering more than 1 square degree in an unbiased fashion. We...
  • X-ray emission of T Tau stars in Lupus 3

    I present analysis results of an XMM-Newton observation of the Lupus 3 region that contains a high proportion of young low mass T Tauri stars in the Lupus star-forming complex....
  • Organic molecules in the Galactic center

    We carried out a systematic study of the complex organic molecules CH_3_OH, C_2_H_5_OH, (CH_3_)2_O, HCOOCH_3, HCOOH, CH_3_COOH, H_2_CO, and CS toward 40 GC molecular clouds....
  • VLA NH3 observations of 5 IRAS sources

    The high angular resolution images with the Very Large Array (VLA) allow us to explore the general properties of protostellar cores in massive star forming regions at large...
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