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Latest Details
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| Name |
BP Cru |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
12 23 49.69 -62 29 37.0 |
| Proper motion |
| RA: -4.427 +/- 2.163 mas/y | Dec: -0.379 +/- 1.643 mas/y | Source: Gaia DR1 |
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| Galactic coord. |
300.098 -0.035 |
Other names
(Internal only)
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2MASS J12263756-6246132 |
4U 1223-624 |
AAVSO 1221-62 |
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GDS_J1226375-624613 |
GSC 08979-01108 |
GX 301-02 |
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Hen 3-788 |
IOMC 8979000072 |
TYC 8979-1108-1 |
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X 12238-624 |
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| Variability type |
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HB+HMXB/XP |
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| Spectral type |
B2Iaeq |
| Mag. range |
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10.74 - 10.92 V |
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| Discoverer |
-- |
| Epoch |
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| Outburst |
-- |
| Period |
41.487 d |
| Rise/eclipse dur. |
-- |
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Remarks
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Some references may be clicked to view in new window. Roll over index number to view submission details.
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1 |
Otero, Sebastian Alberto
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Period confirmed with ASAS-3 data. P= 41.59 d. in the catalogue of high-mass X-ray binaries (Liu et al., 2006) is wrong. Maximum of the ellipsoidal variations is a sharp peak at phase 0.08. |
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2 |
GCVS Team |
3U 1223-62. A unique X-system. Consists of an X-pulsar with pulse period 698s [M.Oda, IAU Circ N3703, 1982.] moving on an excentric orbit (E = 0.47) around the ellipsoidal B2 supergiant with orbital period of 41.51d. Accretion of the stellar wind from the primary star on the pulsar increases during the periastron passage. Therefore large X-flares are observed with the elements: T (X Max) = 2433158.09 + 41.51d*E. Optical flares are possible. |
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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 |
J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info) |
2012arXiv1210.0821A |
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2 |
M.G.Watson, R.S.Warwick, R.H.D. Corbet, MN 199, N3, 915, 1982. |
1982MNRAS.199..915W |
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3 |
N.V.Vidal, ApJ 186, L81, 1973. |
1973ApJ...186L..81V |
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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 = 6.72 | H = 6.08 | K = 5.67 | J - K = 1.04 |
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AllWISE
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W1 = 5.34 | W2 = 4.94 | W3 = 4.75 | W4 = 4.17 | W1 - W2 = 0.41 | W3 - W4 = 0.58 |
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APASS-DR9
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B = 12.48 | V = 10.80 | g' = 11.70 | r' = 10.21 | B - V = 1.68 |
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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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1 |
Phase plot
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Otero, Sebastian Alberto
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2011-05-24 04:27 UTC |
Phase plot combining LTPV I and II and ASAS-3 observations of this eccentric X-ray pulsar with ellipsoidal variations. |
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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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