Galactic Plane Infrared Polarization Survey - First Data Release

Details Galactic Plane Infrared Polarization Survey - First Data Release Galactic Plane Infrared Polarization Survey - First Data Release

May 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21832101c&link_type=abstract

American Astronomical Society, AAS Meeting #218, #321.01; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

We announce the initial public release of data products from the ongoing Galactic Plane Infrared Polarization Survey (GPIPS). These take the form of catalogs of stellar photometry (PHOTCAT) and linear polarimetry (POLCAT) in the near-infrared H-band (1.6 um) for four-hundred 10x10 arcmin fields of view that sample across the full Galactic longitude (L = 18 to 56 deg) and latitude ranges (B = -1 to +1 deg) of GPIPS. Several regions are represented as overlapping fields and have been mosaicked into preliminary Image Tiles (with polarization overlays). Some 60,000 stars as faint as H=12th exhibit significant polarizations and upper limits in these fields. Stars as faint as H=16-17th appear in the photometric catalog. This initial data release is via the GPIPS website (http://gpips0.bu.edu/) and will be linked to the VAO and Vizier.
GPIPS is being conducted on the 1.83m Perkins telescope outside Flagstaff, Arizona using the Mimir instrument configured as a near-infrared imaging polarimeter. A total of 3,237 10x10 arcmin fields will span 76 sq. deg of the inner, first quadrant Galactic plane. Data collection is more than 70% complete and should finish in 2013. The GPIPS data products (POLCAT, PHOTCAT, Image Tile Catalog) are being released on a rolling basis and as quickly as the data can be processed and calibrated. The second data release is expected for the fall and should contain nearly 1,000 fields.
Supported by NSF grants AST 06-07500 and 09-07790.

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