SIMBAD references

2013AJ....146...61S - Astron. J., 146, 61 (2013/September-0)

Type II Cepheid candidates. IV. Objects from the Northern Sky Variability Survey.


Abstract (from CDS):

We have obtained VR photometry of 447 Cepheid variable star candidates with declinations north of -14°30', most of which were identified using the Northern Sky Variability Survey (NSVS) data archive. Periods and other photometric properties were derived from the combination of our data with the NSVS data. Atmospheric parameters were determined for 81 of these stars from low-resolution spectra. The identification of type II Cepheids based on the data presented in all four papers in this series is discussed. On the basis of spectra, 30 type II Cepheids were identified while 53 variables were identified as cool, main sequence stars and 283 as red giants following the definitions in Paper III. An additional 30 type II Cepheids were identified on the basis of light curves. The present classifications are compared with those from the Machine-learned All Sky Automated Survey Classification Catalog for 174 stars in common.

Abstract Copyright:

Journal keyword(s): stars: Population II - stars: variables: Cepheids

VizieR on-line data: <Available at CDS (J/AJ/146/61): table1.dat table2.dat table3.dat table4.dat table5.dat table11.dat notes.dat>

Status at CDS : Associated data (images, light curves, etc...) being ingested in VizieR. // All or part of tables of objects could be ingested in SIMBAD with priority 2.

CDS comments: A273 and A277 are ASAS J211406+0019.2 and ASAS J214106+0222.2 in Simbad.

Simbad objects: 53

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