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: http://www.sao.ru/cats/doc/PN_IRAS_HM.html
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ADS Astronomy Abstract Service
Title: The use of IRAS data to define H II regions Authors: HUGHES, V. A.; MACLEOD, G. C. Affiliation: AB(Queen's University, Kingston, Canada) Journal: Astronomical Journal (ISSN 0004-6256), vol. 97, March 1989, p. 786-800. Publication Date: 3/1989 Category: Astrophysics Origin: STI NASA/STI Keywords: H II REGIONS, INFRARED ASTRONOMY SATELLITE, MOLECULAR CLOUDS, PLANETARY NEBULAE, FLUX DENSITY, HYDROGEN, RADIO OBSERVATION, STAR FORMATION, VERY LARGE ARRAY (VLA) Bibliographic Code: 1989AJ.....97..786H
pn_iras.xy with row of X, Y values. pn_iras has the same format as iras point catalog. This is ***propable*** 991 PNs from IRAS PSC (v1.0).
flux-quality numbers >= 1,2,3 at 12,25,60,100 mum
Y = log(S25/S12) >= 0.4
X = log(S60/S25) <= 0.25
-10 <= b <= +10