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Latest Details
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| Name |
HD 345439 |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
19 56 39.49 +22 57 09.1 |
| Galactic coord. |
61.055 -3.347 |
Other names
(Internal only)
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2MASS J19584848+2305215 |
ALS 10681 |
ASAS J195848+2305.4 |
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GSC 02141-02475 |
LS II +22 15 |
TYC 2141-2475-1 |
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WISE J195848.4+230521 |
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| Variability type |
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SXARI/E |
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| Spectral type |
B2Ve |
| Mag. range |
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11.29 - 11.36 V |
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| Discoverer |
-- |
| Epoch |
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| Outburst |
-- |
| Period |
0.770153 d (18.4837 h) |
| 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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Long-term ASAS-3 data indicate a period of 0.77017 d. Epoch of minimum for the first and depper minimum given. |
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2 |
Otero, Sebastian Alberto
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sigma Ori E-type system. Rigidly rotating magnetosphere star. Twice per period dimmings of the central star probably caused by magnetospherically confined disk material that occults the central star. Period varies between 0.7695 and 0.7702 d. |
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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 |
B. SKiff, 2019, in preparation |
-- |
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2 |
Chen, X.; Wang, S.; Deng, L.; et al., 2018, Wide-field Infrared Survey
Explorer (WISE) Catalog of Periodic Variable Stars |
2018ApJS..237...28C |
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3 |
Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0 |
2017PASP..129j4502K |
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4 |
Wisniewski, J. P.; Chojnowski, S. D.; Davenport, J. R. A.; et al., 2015,
Characterizing the Rigidly Rotating Magnetosphere Stars HD 345439 and HD
23478 |
2015ApJ...811L..26W |
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5 |
Pojmanski, G., 2002, The All Sky Automated Survey |
2002AcA....52..397P |
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Revision History
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