The nature of the variable Galactic center source IRS 16SW

被引：13

作者：

DePoy, DL ^{[1
]}

Pepper, J ^{[1
]}

Pogge, RW ^{[1
]}

Stutz, A ^{[1
]}

Pinsonneault, M ^{[1
]}

Sellgren, K ^{[1
]}

机构：

[1] Ohio State Univ, Dept Astron, Columbus, OH 43210 USA

来源：

ASTROPHYSICAL JOURNAL | 2004年 / 617卷 / 02期

关键词：

Galaxy : center; stars : individual (IRS 16SW); stars : variables : other;

D O I：

10.1086/425557

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report measurements of the light curve of the variable Galactic center source IRS 16SW. The light curve is not consistent with an eclipsing binary or any other obvious variable star. The source may be an example of a high-mass variable predicted theoretically but not observed previously.

引用

页码：1127 / 1130

页数：4

共 29 条

[1] A method for optimal image subtraction
Alard, C
Lupton, RH
[J]. ASTROPHYSICAL JOURNAL, 1998, 503 (01) : 325 - 331
[2] Image subtraction using a space-varying kernel
Alard, C
[J]. ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES, 2000, 144 (02): : 363 - 370
[3] INFRARED OBSERVATIONS OF GALACTIC CENTER
BECKLIN, EE
NEUGEBAUER, G
[J]. ASTROPHYSICAL JOURNAL, 1968, 151 (1P1) : 145 - +
[4] JHKL photometry and the K-band luminosity function at the galactic center
Blum, RD
Sellgren, K
Depoy, DL
[J]. ASTROPHYSICAL JOURNAL, 1996, 470 (02) : 864 - 881
[5] The β Cephei instability strip
Deng, L
Xiong, DR
[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2001, 327 (03) : 881 - 887
[6] A novel double imaging CAMera (ANDICAM)
DePoy, DL
Atwood, B
Belville, SR
Brewer, DF
Byard, PL
Gould, A
Mason, JA
O'Brien, TP
Pappalardo, DP
Pogge, RW
Steinbrecher, DP
Teiga, EJ
[J]. INSTRUMENT DESIGN AND PERFORMANCE FOR OPTICAL/INFRARED GROUND-BASED TELESCOPES, PTS 1-3, 2003, 4841 : 827 - 838
[7] HIGH-RESOLUTION INFRARED IMAGING OF THE GALACTIC-CENTER
DEPOY, DL
SHARP, NA
[J]. ASTRONOMICAL JOURNAL, 1991, 101 (04) : 1324 - 1328
[8] Where are the regularly pulsating massive stars?
Dorfi, EA
Gautschy, A
[J]. ASTROPHYSICAL JOURNAL, 2000, 545 (02) : 982 - 991
[9] THE OPACITY MECHANISM IN B-TYPE STARS .1. UNSTABLE MODES IN BETA CEPHEI STAR MODELS
DZIEMBOWSKI, WA
PAMYATNYKH, AA
[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1993, 262 (01) : 204 - 212
[10] ECKHART A, 2002, MNRAS, V331, P917

← 1 2 3 →