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Details for Revision 3
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Name
  RY Lup  
AAVSO UID
000-BBW-821 (12241 observations)  
Constellation
Lupus Sequence
J2000.0
15 59 28.39 -40 21 51.3  (239.86829 -40.36425) Search nearby
B1950.0 15 56 05.88 -40 13 21.8
Galactic coord. 337.353 +9.618
Other names

(Internal only)
2MASS J15592838-4021513 AAVSO 1552-40 ASAS J155928-4021.9
GSC 07842-00532 HBC 252 HIP 78317
HV 3582 TYC 7842-532-1  
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Variability type
UXOR
Spectral type G8IV/V:ea
Mag. range
10.2 - 13.3 V
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto J-K= 1.57.
2 GCVS Team Quasiperiodicity: P = 3.7609d [C.Hoffmeister, IAU Trans 12B, 276, 1964.].
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References
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1 S.A. Artemenko, K.N. Grankin, P.P. Petrov, 2013, arXiv:1301.2493
[astro-ph.SR]
2013arXiv1301.2493A
2 Manset, N., et al, 2009, Photometric and polarimetric clues to the
circumstellar environment of RY Lupi
2009A&A...499..137M
3 Manset, N., et al, 2009, Photometric and polarimetric clues to the
circumstellar environment of RY Lupi
2009A&A...499..137M
4 The All Sky Automated Survey 2002AcA....52..397P
5 F.M.Bateson, A.F.Jones, Charts for Southern Variables, ser.II, 1960. --
6 C.Hoffmeister, VSS 3, N3, 1958. --
7 Hartwig, E., 1922, Benennung von neu entdeckten veraenderlichen Sternen 1922AN....215..185H
External Links
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Supporting Documents
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Campaigns/Programs
 YSO Program
Revision History
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5 Fernig, Leo 2023-03-29 20:26 UTC Discoverer updated from 1922AN....215..185H page 191.
4 Admin, VSX 2013-01-15 04:18 UTC Update from [2013arXiv1301.2493A].
3 Otero, Sebastian Alberto 2012-09-20 23:05 UTC Type and spectral type from 2009A&A...499..137M. Range from 2009A&A...499..137M and ASAS-3 data.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.