UBV PHOTOMETRY OF HOT DA WHITE-DWARFS

被引：24

作者：

KIDDER, KM ^{[1
]}

HOLBERG, JB ^{[1
]}

MASON, PA ^{[1
]}

机构：

[1] LOUISIANA STATE UNIV,DEPT PHYS & ASTRON,BATON ROUGE,LA 70803

来源：

ASTRONOMICAL JOURNAL | 1991年 / 101卷 / 02期

关键词：

D O I：

10.1086/115706

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Johnson UBV photometry has been obtained photoelectrically for a set of DA white dwarfs with effective temperatures greater than 20 000 K and for the AM Her type binary H0538 + 608. Most of the white dwarfs lie within existing Einstein IPC or EXOSAT LE soft x-ray fields, therefore they are of interest as potential serendipitous soft x-ray sources. In addition, high dispersion spectroscopy has been used to differentiate seven of these objects to be subdwarfs.

引用

页码：579 / 582

页数：4

共 14 条

[1] [Anonymous], 1962, STARS STELLAR SYSTEM
[2] LUMINOSITIES COLORS MOTIONS AND DISTRIBUTION OF FAINT BLUE STARS
EGGEN, OJ
[J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 1968, 16 (143) : 97 - &
[3] SPECTRA COLORS LUMINOSITIES AND MOTIONS OF WHITE DWARFS
EGGEN, OJ
GREENSTEIN, JL
[J]. ASTROPHYSICAL JOURNAL, 1965, 141 (01) : 83 - +
[4] SPECTROPHOTOMETRY OF THE WHITE-DWARFS
GREENSTEIN, JL
[J]. ASTROPHYSICAL JOURNAL, 1984, 276 (02) : 602 - 620
[5] DA WHITE-DWARF EFFECTIVE TEMPERATURES DETERMINED FROM IUE LYMAN-ALPHA PROFILES
HOLBERG, JB
WESEMAEL, F
BASILE, J
[J]. ASTROPHYSICAL JOURNAL, 1986, 306 (02) : 629 - 641
[6] HOLBERG JB, 1991, UNPUB APJ
[7] KOESTER D, 1979, ASTRON ASTROPHYS, V76, P262
[8] UBV PHOTOELECTRIC SEQUENCES IN CELESTIAL EQUATORIAL SELECTED AREAS 92-115
LANDOLT, AU
[J]. ASTRONOMICAL JOURNAL, 1973, 78 (09) : 959 - &
[9] UBVRI PHOTOMETRIC STANDARD STARS AROUND THE CELESTIAL EQUATOR
LANDOLT, AU
[J]. ASTRONOMICAL JOURNAL, 1983, 88 (03) : 439 - 460
[10] AN X-RAY-SELECTED WHITE-DWARF OF INTERMEDIATE LUMINOSITY
MARGON, B
BOLTE, M
ANDERSON, SF
[J]. ASTRONOMICAL JOURNAL, 1987, 93 (05) : 1229 - 1235

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