A dataset provided by the European Space Agency

Name OT1_jbally_2
Title Massive Young Stars in W43: PACS-SPIRE SED Spectral Scans of MM1 to MM4
URL

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DOI 10.5270/esa-2zvivca
Author bally, j.
Description We propose to acquire complete spectral-scans of the four most luminous and massive young stellar objects (MYSOs) in the giant W43 giant HII region complex located at a distance of 5.5 kpc in the Galactic Molecular Ring. The SED modes of the PACS spectrometer and the high-resolution mode of the SPIRE FTS will be used to trace variations in chemical abundances, excitation conditions, and structure in the SEDs as functions of the evolutionary states of these four massive objects. While the central pixels record the spectra of the target MYSOs, the adjacent pixels will probe the spectral properties of the surrounding dense molecular clumps, additional massive YSOs that happen to fall within the aperture, PDRs, and adjacent ionized regions. W43 is one of the most luminous star forming regions in the Galaxy. It has undergone a 'mini-starburst. within the last few Myr. Massive star formation continues in at least 50 clumps spread over a 20 pc diameter region. The proposed observations will test evolutionary models for MYSOs.
Publication
Instrument SPIRE_SpireSpectrometer_, PACS_PacsRangeSpec_point, PACS_PacsRangeSpec_large
Temporal Coverage 2011-10-16T06:29:52Z/2011-10-25T11:25:00Z
Version SPG v14.2.2
Mission Description Herschel was launched on 14 May 2009! It is the fourth 'cornerstone' mission in the ESA science programme. With a 3.5 m Cassegrain telescope it is the largest space telescope ever launched. It is performing photometry and spectroscopy in approximately the 55-671 ┬Ám range, bridging the gap between earlier infrared space missions and groundbased facilities.
Creator Contact https://support.cosmos.esa.int/herschel/
Date Published 2012-04-25T11:02:50Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2012-04-25T11:02:50Z, OT1_jbally_2, SPG v14.2.2. https://doi.org/10.5270/esa-2zvivca