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(Q24949979)
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WR 21a
star in the constellation Carina
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Statements
instance of
star
1 reference
stated in
SIMBAD
binary star
1 reference
stated in
SIMBAD
X-ray binary
1 reference
stated in
SIMBAD
Wolf–Rayet star
1 reference
stated in
SIMBAD
infrared source
1 reference
stated in
SIMBAD
astrophysical X-ray source
1 reference
stated in
SIMBAD
emission-line star
1 reference
stated in
SIMBAD
gamma-ray source
1 reference
stated in
SIMBAD
catalog code
GSC 08608-00157
catalog
Guide Star Catalog
1 reference
stated in
SIMBAD
2MASS J10255650-5748435
catalog
2MASS
1 reference
stated in
SIMBAD
1RXS J102552.9-574842
catalog
1RXS
1 reference
stated in
SIMBAD
UCAC2 6538367
catalog
Second USNO CCD Astrograph Catalog
1 reference
stated in
SIMBAD
INTREF 415
catalog
High-energy sources before INTEGRAL. INTEGRAL reference catalog
1 reference
stated in
SIMBAD
MSX6C G284.5174-00.2412
catalog
MSX6C Infrared Point Source Catalog. The Midcourse Space Experiment Point Source Catalog Version 2.3 (October 2003)
1 reference
stated in
SIMBAD
[RRK2001] J1025-5809 src 2
catalog
The ASCA catalog of potential X-ray counterparts of GeV sources
1 reference
stated in
SIMBAD
Gaia DR2 5351703390282380800
catalog
Gaia Data Release 2
1 reference
stated in
SIMBAD
constellation
Carina
1 reference
imported from Wikimedia project
English Wikipedia
parallax
0.1819±0.0285
milliarcsecond
1 reference
stated in
Gaia Data Release 2
declination component of proper motion
2.518±0.045
milliarcsecond per year
1 reference
stated in
Gaia Data Release 2
right ascension component of proper motion
−4.025±0.051
milliarcsecond per year
1 reference
stated in
Gaia Data Release 2
spectral class
O3/WN5ha+O3Vz ((f*))
1 reference
stated in
The mass of the very massive binary WR21a
WN6h+Oabs
1 reference
stated in
A near-infrared survey of the inner galactic plane for Wolf-Rayet stars. I. Methods and first results: 41 new WR stars
WN6
1 reference
stated in
On the nature of the X-ray emission from 1E 1024.0-5732/Wack 2134: The first X-ray-selected Wolf-Rayet star
WN
1 reference
stated in
A new 60 millisecond X-ray pulsar and its massive early-type companion
WN+Of
1 reference
stated in
On the nature of the X-ray source 1E 1024.0-5732/Wack 2134
WN6h+O
1 reference
stated in
Wack 2134 (= WR1a): a new Wolf-Rayet binary
O2If*/WN5
1 reference
stated in
The Galactic O-star Spectroscopic Survey (GOSSS). III. 142 additional O-type systems
apparent magnitude
12.67
astronomical filter
V band
1 reference
stated in
SIMBAD
11.6903±0.0006
astronomical filter
G band
1 reference
stated in
Gaia Data Release 2
8.808±0.034
astronomical filter
J band
1 reference
stated in
VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8.2±0.04
astronomical filter
H band
1 reference
stated in
VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7.833±0.026
astronomical filter
K band
1 reference
stated in
VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
epoch
J2000.0
1 reference
stated in
Gaia Data Release 2
right ascension
156.48542649655720
degree
1 reference
stated in
Gaia Data Release 2
declination
−57.81208828538700
degree
1 reference
stated in
Gaia Data Release 2
Identifiers
Google Knowledge Graph ID
/g/11cmtt__fg
0 references
SIMBAD ID
THA 35-II-42
0 references
Sitelinks
Wikipedia
(2 entries)
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enwiki
WR 21a
svwiki
WR 21a
Wikibooks
(0 entries)
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Wikinews
(0 entries)
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Wikiquote
(0 entries)
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Wikisource
(0 entries)
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Wikiversity
(0 entries)
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Wikivoyage
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Wiktionary
(0 entries)
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Multilingual sites
(0 entries)
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