Galactic structure from the Spacelab infrared telescope. I - 2.4 micron map

Details Galactic structure from the Spacelab infrared telescope. I - 2.4 micron map Galactic structure from the Spacelab infrared telescope. I - 2.4 micron map

Feb 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apjs...78..403k&link_type=abstract

Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 78, Feb. 1992, p. 403-408.

Astronomy and Astrophysics

Astronomy

12

Galactic Structure, Milky Way Galaxy, Spaceborne Astronomy, Spacelab, Astronomical Photometry, Brightness Distribution, Infrared Telescopes

Scientific paper

The Infrared Telescope, flown aboard the Space Shuttle as part of the Spacelab-2 mission, scanned a large fraction of the sky at 2.4 microns with a resolution of approximately 1 deg. A calibrated map of the Galactic plane in the region -20-120 deg l and -30-30 deg b. The photometry is accurate to a surface brightness of mu K = 20.0 mag/arcsec. Aside from uncertainties in the magnitude zero-point, the data agree quite well with previous maps derived from balloon experiments, except that some systematic differences at high Galactic longitudes are evident. These data will permit more extensive modeling of the 2.4-micron emissivity in the Milky Way than has been possible previously.

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