FITS Headers
lambda_firas_lines_1999_galplane.fits
Primary Header
SIMPLE = T / file does conform to FITS standard BITPIX = 16 / number of bits per data pixel NAXIS = 0 / number of data axes EXTEND = T / FITS dataset may contain extensions COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H DATE = '2021-10-12T00:00:00' /file creation date (YYYY-MM-DDThh:mm:ss UT) ORIGIN = 'LAMBDA ' / Legacy Archive Microwave Background Analysis TELESCOP= 'COBE ' / COsmic Background Explorer satellite INSTRUME= 'FIRAS ' / COBE instrument [DIRBE, DMR, FIRAS] OBJECT = 'GAL PLANE' / Portion of sky given COMMENT This file contains FIRAS Galactic line intensities, in units of COMMENT nW/m^2/sr, for 19 spectral lines, including CII 157.7 um, NII 205.3 um COMMENT CI, and CO transitions. Intensities are computed within bins one deg COMMENT wide in latitude about the Galactic plane and with a 5 deg spacing in COMMENT Galactic longitude. Results are from the 1999 reanalysis of FIRAS line COMMENT data by Fixsen et al. REFERENC= 'COBE FIRAS Observations of Galactic Lines' REFERENC= ' Fixsen, Bennett and Mather, 1999 ApJ 526, 207' REFERENC= 'For additional information, please refer to the' REFERENC= 'COBE Far Infrared Absolute Spectrophotometer (FIRAS)' REFERENC= 'Explanatory Supplement, ed. J.C. Mather et al,' REFERENC= 'COBE Ref. Pub. No. 97-C (Greenbelt, MD: NASA/GSFC),' REFERENC= 'available in electronic form from LAMBDA.' SKYCOORD= 'Galactic' / Coordinate system COMMENT / Nineteen line frequencies, one per extension LINFRQ1 = 115.27 / CO (J=1-0) line frequency, in GHz LINFRQ2 = 230.54 / CO (J=2-1) line frequency, in GHz LINFRQ3 = 345.80 / CO (J=3-2) line frequency, in GHz LINFRQ4 = 424.75 / O2 line frequency, in GHz LINFRQ5 = 461.04 / CO (J=4-3) line frequency, in GHz LINFRQ6 = 492.23 / [C I] line frequency, in GHz LINFRQ7 = 556.89 / H2O line frequency, in GHz LINFRQ8 = 576.27 / CO (J=5-4) line frequency, in GHz LINFRQ9 = 691.47 / CO (J=6-5) line frequency, in GHz LINFRQ10= 808.00 / CO (J=7-6) + [C I] line frequency, in GHz LINFRQ11= 1113.3 / H2O line frequency, in GHz LINFRQ12= 1461.1 / [N II] line frequency, in GHz LINFRQ13= 1716.6 / H2O line frequency, in GHz LINFRQ14= 1900.5 / [C II] line frequency, in GHz LINFRQ15= 2060.1 / [O I] line frequency, in GHz LINFRQ16= 2311.7 / [Si I] line frequency, in GHz LINFRQ17= 2459.4 / [N II] line frequency, in GHz LINFRQ18= 2589.6 / CH (J=2-1) line frequency, in GHz LINFRQ19= 921.80 / CO (J=8-7) line frequency, in GHz END
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