1999ApJ...512..553G

Query : 1999ApJ...512..553G

1999ApJ...512..553G - Astrophys. J., 512, 553-557 (1999/February-3)

Calibrating the cepheid period-radius relation with galactic and Magellanic cloud cepheids.

GIEREN W.P., MOFFETT T.J. and BARNES III T.G.

Abstract (from CDS):

We have determined the radii of 16 long-period Cepheid variables in both Magellanic Clouds using the visual surface brightness technique and the excellent light curves of these variables given by Moffett et al. Combining these new radii with infrared radii of shorter period Galactic Cepheids, we provide a new calibration of the period-radius (PR) relation which covers the entire period spectrum of Cepheid variables (up to 130 days). We find evidence that the Cepheid period-radius relation is independent of the galaxy environment (e.g., universal) and linear up to the largest pulsation periods. Furthermore, the intrinsic dispersion of the relation is small enough to permit successful use of the Cepheid PR relation in the determination of reasonably accurate pulsation parallaxes to nearby galaxies.

Abstract Copyright: ∼

Journal keyword(s): Stars: Variables: Cepheids - Cosmology: Distance Scale - Galaxies: Magellanic Clouds - Stars: Fundamental Parameters - Stars: Oscillations

Simbad objects: 19

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Number of rows : 19
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 V* BZ Tuc cC* 00 41 43.4481452424 -73 43 23.884459392   13.290 12.160 11.613 10.911 G0Iab 79 0
2 SV* HV 824 cC* 00 46 53.1109589208 -72 42 51.733779624   12.67 12.04   11.421 G0Iab 72 0
3 SV* HV 829 cC* 00 50 28.7968305768 -72 45 09.210864996 12.97 12.26 11.63   11.017 G0Ib 91 0
4 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
5 SV* HV 11157 cC* 00 52 56.8080848496 -71 55 03.243982764     12.916   11.853 ~ 51 0
6 SV* HV 834 cC* 00 53 42.6456610344 -72 17 13.632027000   12.48 11.89   11.268 F2Ib 71 0
7 SV* HV 837 cC* 00 55 56.0568870768 -71 59 02.691309588     13.233   12.297 ~ 68 0
8 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
9 SV* HV 5497 cC* 04 55 40.5527820192 -66 25 43.318661664     11.930 11.38 10.88 G2Ib 89 0
10 SV* HV 8039 cC* 04 56 26.7915982608 -64 41 40.258787892   12.93 12.02     ~ 47 0
11 SV* HV 879 cC* 04 58 05.5960382376 -69 27 15.480133020   14.72 13.457 13.01 12.299 ~ 68 0
12 HD 268878 cC* 04 58 10.7956592640 -69 56 58.781211396   13.83 13.134 12.96 12.005 K5 83 0
13 SV* HV 2338 cC* 05 06 08.8555282080 -71 15 26.118906300   12.83 12.26   11.858 ~ 70 0
14 HD 269075 cC* 05 06 47.9715275784 -70 02 13.295472684   13.30 12.944 12.77 11.861 M 77 0
15 SV* HV 899 cC* 05 07 07.8256721256 -68 53 19.448617524     13.471 12.83 12.403 ~ 61 0
16 SV* HV 909 cC* 05 09 20.1372980832 -70 27 27.043469748   13.32 12.67 12.11 11.949 ~ 71 0
17 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
18 SV* HV 12815 cC* 05 30 02.4652768272 -65 56 01.783841568   14.39   13.48 12.551 ~ 49 0
19 SV* HV 2827 cC* 05 43 47.3076015504 -66 35 08.943397872   13.37 12.02   11.220 M 67 0

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