1998AJ....116.1679H

Query : 1998AJ....116.1679H

1998AJ....116.1679H - Astron. J., 116, 1679-1687 (1998/October-0)

Variable stars in the DDO 187 dwarf galaxy.

HOESSEL J.G., SAHA A. and DANIELSON G.E.

Abstract (from CDS):

Twelve pulsating variable stars have been discovered in the dwarf irregular galaxy DDO 187. Two of these are Cepheids based on CCD photometry on 29 nights spread over 13 years. Three more stars are possible Cepheids. The remaining 7 stars are all long-period variables (LPVs). The definite Cepheids lead to a new distance modulus for this galaxy of m - M = 29.24 ± 0.33, corresponding to 7.0±1.2 Mpc. We discuss the nature of the LPVs and show that a self-consistent interpretation of these can be made that supports the Cepheid distance.

Abstract Copyright: ∼

Journal keyword(s): Stars: Variables: Cepheids - Galaxies: Dwarf - Galaxies: Stellar Content - Stars: Variables: Miras

Nomenclature: Table 2: [HSD98] DDO 187 VNN (Nos V1-V12).

Simbad objects: 8

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Number of rows : 8
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 6226 1
2 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
3 Z 71-87 H2G 12 58 40.1930636208 +14 13 00.739589628 15.24 15.16 14.98 14.81   ~ 475 0
4 IC 4182 BiC 13 05 48.7478324064 +37 36 12.965157684   11.86   11.40   ~ 344 1
5 NAME M101 Group GrG 14 03 +54.3           ~ 112 1
6 M 101 GiP 14 03 12.583 +54 20 55.50   8.46 7.86 7.76   ~ 3138 2
7 Z 133-19 AG? 14 15 57.0834 +23 03 29.871 15.40 14.77 14.41 14.32   ~ 296 0
8 NAME Local Group GrG ~ ~           ~ 9325 0

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