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Latest Details
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Log in to retrieve additional aliases from SIMBAD. |
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| Name |
WR 21a |
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| AAVSO UID |
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000-BJP-528 (No observations) |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
10 24 05.33 -57 33 26.2 |
| Proper motion |
| RA: -2.5 +/- 1.7 mas/y | Dec: 2.1 +/- 1.7 mas/y | Source: UCAC4 |
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| Galactic coord. |
284.515 -0.239 |
Other names
(Internal only)
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1E 1024.0-5732 |
2MASS J10255650-5748435 |
ASAS J102556-5748.7 |
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GSC 08608-00157 |
LPH067 |
Wack 2134 |
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| Variability type |
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WR |
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| Spectral type |
O3f/WN6Ha+O4: |
| Mag. range |
| 12.82 V |
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| Discoverer |
-- |
| Epoch |
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| Outburst |
-- |
| Period |
31.673 d |
| Rise/eclipse dur. |
-- |
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Remarks
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References
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Click reference title/citation to view in new window. Roll over index number to view submission details.
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1 |
Niemela, V. S., et al., 2008, The very massive X-ray bright binary system
Wack2134 (= WR21a) |
2008MNRAS.389.1447N |
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2 |
G.E. Sarty, L.L. Kiss, H.M. Johnston, R. Huziak, K. Wu, 2007, JAAVSO 35,
327 |
2007JAVSO..35..327S |
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3 |
The All Sky Automated Survey |
2002AcA....52..397P |
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External Links
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Location
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Catalog Data
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Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
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2MASS
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J = 8.81 | H = 8.20 | K = 7.83 | J - K = 0.97 |
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AllWISE
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W1 = 7.37 | W2 = 7.21 | W3 = 6.35 | W4 = 4.61 | W1 - W2 = 0.16 | W3 - W4 = 1.74 |
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APASS-DR9
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B = 14.14 | V = 12.65 | g' = 13.45 | r' = 11.98 | B - V = 1.48 |
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Images
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Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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There are currently no supporting documents on file for this star.
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Campaigns/Programs
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Photometry of HMXBs
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Revision History
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Currently approved revision is checked. Click revision number to view details of that revision.
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