SIMBAD references

1994A&AS..106..397K - Astron. Astrophys., Suppl. Ser., 106, 397-411 (1994/September-0)

Semiregular variables of types SRa and SRb. New JHKL'M-photometry for 200 stars.

KERSCHBAUM F. and HRON J.

Abstract (from CDS):

This paper presents new JHKL'M observations of 200 Semiregular variables (SRVs) of types SRa and SRb. The sample was defined in Kerschbaum & Hron (1992a, Paper I) by means of a certain limit in bolometrical magnitude. From the sample of 350 objects, 260 now have near infrared (NIR) photometry - for 60 of these stars data from the literature are used. In total 290 datasets are available because of some multiple observations. We briefly compare the photometry obtained at different observatories. Small but significant differences are found. A first analysis of the photometry supports one of the main findings of Paper I. The, in many aspects inhomogeneous, O-rich semiregular variables of types SRa and SRb can be successfully split in two subgroups called the `blue' and `red'/`Mira' SRVs. A separation of the `red' SRVs from intrinsic Miras additionally requires variability information.

Abstract Copyright:

Journal keyword(s): stars: asymptotic giant branch (AGB) - stars: variables - stars: mass-loss - infrared: stars

VizieR on-line data: <Available at CDS (J/A+AS/106/397): table6>

Simbad objects: 257

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