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Latest Details
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Name
  GG Lup  
AAVSO UID
000-BDT-352 (1 observation)  
Constellation
Lupus Sequence
J2000.0
15 18 56.38 -40 47 17.6  (229.73492 -40.78822) Search nearby
B1950.0 15 15 39.15 -40 36 23.3
Proper motion
RA: -17.95 +/- 0.33 mas/yDec: -21.63 +/- 0.23 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 330.846 +13.955
Other names

(Internal only)
ASAS J151856-4047.3 BV 448 CD-40 9496
CPD-40 6909 GSC 07826-03079 HD 135876
HIP 74950 HR 5687 SAO 225647
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Variability type
EA
Spectral type B7V+B9V
Mag. range
5.58 - 6.11 V
Discoverer --
Epoch
03 Jun 1953 (HJD 2434532.325) Ephemeris
Outburst --
Period 1.849611 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Eccentric system with apsidal motion. Elements for Min I given. Min II= 5.88V at phase 0.40.
2 2004AcA....54..207K Epoch secondary minimum = 2452502.043.
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References
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1 Bob Nelson's O-C files, 2016 --
2 Budding, E.; Butland, R.; Blackford, M., 2015, Absolute parameters of young
stars: GG Lup and μ1 Sco
2015MNRAS.448.3784B
3 J.M. Kreiner, 2004, Acta Astronomica 54, 207 2004AcA....54..207K
4 Pojmanski, G., 2002, The All Sky Automated Survey 2002AcA....52..397P
5 W.Strohmeier, IBVS N208, 1967. 1967IBVS..208....1S
6 CALEB - Catalog and AtLas of Eclipsing Binaries --
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 = 6.12H = 6.25K = 6.21J - K = -0.10
AllWISE W1 = 5.97W2 = 5.89W3 = 6.04W4 = 6.00W1 - W2 = 0.08W3 - W4 = 0.04
Images
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Supporting Documents
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Revision History
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4 Otero, Sebastian Alberto 2017-02-05 10:55 UTC Type, spectral type and range from 2015MNRAS.448.3784B. Period and epoch from 1967IBVS..208....1S and ASAS-3 data.
3 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2009-10-30 01:31 UTC Update from [2004AcA....54..207K].
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.