NEAR-INFRARED (JHK) PHOTOMETRY OF 131 NORTHERN GALACTIC CLASSICAL CEPHEIDS

被引：44

作者：

Monson, Andrew J. ^{[1
]}

Pierce, Michael J. ^{[2
]}

机构：

[1] Observ Carnegie Inst Washington, Pasadena, CA 91101 USA

[2] Univ Wyoming, Dept Phys & Astron, Laramie, WY 82072 USA

来源：

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES | 2011年 / 193卷 / 01期

基金：

美国国家科学基金会; 美国国家航空航天局;

关键词：

infrared: stars; stars: variables: Cepheids; PERIOD-LUMINOSITY RELATIONS; HUBBLE-SPACE-TELESCOPE; PROBE WMAP OBSERVATIONS; SURFACE BRIGHTNESS; DISTANCE SCALE; CALIBRATION; PARALLAXES; PROJECT; STARS;

D O I：

10.1088/0067-0049/193/1/12

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Near-infrared photometric measurements for 131 Northern Galactic Cepheids are presented. The Cepheid light curves are sampled with an average of 22 measurements per star fully covering the phase of each Cepheid. The J, H, and K light curves for each Cepheid were uniformly interpolated to find the intensity mean magnitudes within each band. The results are consistent within +/- 1% for 26 stars in common with previous studies. This paper is the first in a projected series of two papers which will provide additional fundamental data for Cepheids in the Galaxy, namely, NIR photometry and line-of-sight extinction. In the course of this project, 93 additional variables were fortuitously observed within the Cepheid program fields, 82 of which have previously not been identified.

引用

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