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Latest Details
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Name
  sig Lup  
AAVSO UID
000-BBV-517 (No observations)  
Constellation
Lupus Sequence
J2000.0
14 32 37.06 -50 27 25.8  (218.15442 -50.45717) Search nearby
B1950.0 14 29 14.15 -50 14 12.3
Proper motion
RA: -29.26 +/- 0.16 mas/yDec: -15.72 +/- 0.16 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 318.930 +9.245
Other names

(Internal only)
CD-49 8831 CPD-49 7073 HD 127381
HIP 71121 HR 5425 SAO 241781
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Variability type
SXARI
Spectral type B1/B2V
Mag. range
4.42 - 4.44 V
Discoverer --
Epoch
15 Mar 1985 (HJD 2446139.76) Ephemeris
Outburst --
Period 3.01927 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Magnetic variable without He-peculiarity.
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References
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1 Discovery of the magnetic field in the B1/B2V star sigma Lupi 2010arXiv1012.4582H
2 C. Koen, L. Eyer, 2002, MNRAS 331, 45 2002MNRAS.331...45K
3 M.Jerzykiewicz, C.Sterken, AsAp 261, No.2, 477, 1992. 1992A&A...261..477J
External Links
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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 = 4.91H = 5.05K = 4.99J - K = -0.08
AllWISE W1 = 5.01W2 = 4.91W3 = 5.18W4 = 5.07W1 - W2 = 0.10W3 - W4 = 0.12
Images
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Supporting Documents
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1 sigma Lupi light curve Otero, Sebastian Alberto 2010-12-30 21:23 UTC Light curve using LTPV I and Hipparcos data.
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Revision History
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3 Otero, Sebastian Alberto 2010-12-30 21:23 UTC New variability type, period and spectral type.
Photometric period in reference has been improved using LTPV I and Hipparcos data.
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.