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