SIMBAD references

1997A&AS..125..419L - Astron. Astrophys., Suppl. Ser., 125, 419-437 (1997/November-1)

Obscured AGB stars in the Magellanic Clouds. I. IRAS candidates.

LOUP C., ZIJLSTRA A.A., WATERS L.B.F.M. and GROENEWEGEN M.A.T.

Abstract (from CDS):

We have selected 198 IRAS sources in the Large Magellanic Cloud, and 11 in the Small Magellanic Cloud, which are the best candidates to be mass-loosing AGB stars (or possibly post-AGB stars). We used the catalogues of Schwering & Israel (1990, Cat. II/181) and Reid et al. (1990ApJ...348...98R). They are based on the IRAS pointed observations and have lower detection limits than the Point Source Catalogue. We also made cross-identifications between IRAS sources and optical catalogues. Our resulting catalogue is divided in 7 tables. Table 1 lists optically known red supergiants and AGB stars for which we found an IRAS counterpart (7 and 52 stars in the SMC and LMC, respectively). Table 2 lists ``obscured'' (or ``cocoon'') AGB stars or late-type supergiants which have been identified as such in previous works through their IRAS counterpart and JHKLM photometry (2 SMC and 34 LMC sources; no optical counterparts). Table 3 lists known planetary nebulae with an IRAS counterpart (4 SMC and 19 LMC PNe). Table 4 lists unidentified IRAS sources that we believe to be good AGB or post-AGB or PNe candidates (11 SMC and 198 LMC sources). Table 5 lists unidentified IRAS sources which could be any type of object (23 SMC and 121 LMC sources). Table 6 lists IRAS sources associated with foreground stars (29 SMC and 135 LMC stars). Table 7 lists ruled out IRAS sources associated with HII regions, hot stars, etc ... We show that the sample of IRAS AGB stars in the Magellanic Clouds is very incomplete. Only AGB stars more luminous than typically 104L and with a mass-loss rate larger than typically 5x10–6M/yr could be detected by the IRAS satellite. As a consequence, one expects to find very few carbon stars in the IRAS sample. We also expect that most AGB stars with intermediate mass-loss rates have not been discovered yet, neither in optical surveys, nor in the IRAS survey.

Abstract Copyright:

Journal keyword(s): circumstellar matter - stars: late - type - stars: mass-loss - stars: AGB and post-AGB - supergiants

VizieR on-line data: <Available at CDS (J/A+AS/125/419): table1 table2 table3 table4 table5 table6 table7 table8>

Simbad objects: 800

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