SIMBAD references

2004AJ....127..501L - Astron. J., 127, 501-512 (2004/January-0)

2MASS counterparts for OH/IR stars. I. The Arecibo sample.

LEWIS B.M., KOPON D.A. and TERZIAN Y.

Abstract (from CDS):

The positions of the IRAS counterparts to the 420 OH/IR stars in the Arecibo sky (0°<δ<+38°) are usually accurate to better than 10". But every star has recently been observed by the Two Micron All Sky Survey (2MASS), which provides ∼0".2 quality positions, while those with |b|≤4°.5 have also been observed by the Midcourse Space Experiment (MSX), which provides ∼2" quality positions. We use the MSX and/or IRAS coordinates to guide us to 2MASS counterparts for the 134 Arecibo OH/IR stars with images in the second release of the 2MASS Point Source Catalog. An unexpected by-product of having the J-H versus H-Ks plot generated from the 2MASS fluxes is the realization that most (∼85%) of the redder OH/IR stars have detached circumstellar shells. We identify five objects that probably, by contrast, have ``normal'' shells, and we confirm the status of AU Vul as a protoplanetary nebula.

Abstract Copyright:

Journal keyword(s): infrared: stars - radio lines: stars - Stars: AGB and Post-AGB

VizieR on-line data: <Available at CDS (J/AJ/127/501): table1.dat table2.dat>

Simbad objects: 136

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