AAVSO Home



Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Details for Revision 2
Log in to retrieve additional aliases from SIMBAD.
Name
  NSV 20302  
AAVSO UID
--  
Constellation
Lupus Sequence
J2000.0
15 22 40.90 -44 41 23.0  (230.67042 -44.68972) Search nearby
B1950.0 15 19 16.52 -44 30 42.0
Galactic coord. 329.228 +10.323
Other names

(Internal only)
eps Lup CD-44 10066 CPD-44 7342
HD 136504 HIP 75264 HR 5708
SAO 225712    
(Not logged in)  Add name
Variability type
SPB
Spectral type B2IV/V
Mag. range
3.37 V (0.015)b
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Otero, Sebastian Alberto Triple system. The spectroscopic binary Aa,Ab (V= 3.6) has a distant tertiary companion B (V= 5.1; sep. 0.2"). AB period 740 y. Combined range given. Component C (V= 8.64; sep. 26") is optical.
2 Otero, Sebastian Alberto HB amplitude 0.006 mag. Several pulsation frequencies found. Periods present in both BRIght Target Explorer (BRITE) and Solar Mass Ejection Imager (SMEI) data are 0.868 and 0.3993 d. (2019arXiv190609251P).
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Pablo, H.; Shultz, M.; Fuller, J.; et al., 2019, ε Lupi: measuring the
heartbeat of a doubly-magnetic massive binary with BRITE-Constellation		 2019arXiv190609251P
2 S. Hubrig, I. Ilyin, M. Schoeller, M. Briquet, T. Morel, P. De Cat, 2010,
arXiv:1012.3019v1 [astro-ph.SR]		 2010arXiv1012.3019H
3 S. Hubrig, I. Ilyin, M. Schoeller, M. Briquet, T. Morel, P. De Cat, 2010,
arXiv:1012.3019v1 [astro-ph.SR]		 2010arXiv1012.3019H
4 Uytterhoeven, K.; et al., 2005, The orbit of the close spectroscopic binary
epsilon Lupi and the intrinsic variability of its early B-type components		 2005A&A...440..249U
5 S.M.Jakate, AJ 84, No.4, 552, 1979. 1979AJ.....84..552J
External Links
Links open in a new window. Not all links may be valid for this particular target.
Location    Go   
Select a Location for more details.
Supporting Documents
There are currently no supporting documents on file for this star. (Not logged in)  Add document
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Otero, Sebastian Alberto 2020-08-31 03:27 UTC Primary name changed.
4 Otero, Sebastian Alberto 2019-06-26 04:22 UTC Type and period from 2019arXiv190609251P. Gaia DR2 position.
3 Otero, Sebastian Alberto 2013-12-13 04:46 UTC Type, period and spectral type from 2005A&A...440..249U. Range from HIPPARCOS and GCPD data.
2 Admin, VSX 2010-12-16 03:47 UTC Update from [2010arXiv1012.3019H].
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

Guidelines    FAQ    Manual    Forum    Variability Types    Passbands    Copyright    Acknowledgments    Privacy    Contact    Help us   
The International Variable Star Index
© 2005-2025 American Association of Variable Star Observers (AAVSO)
Version 1.1 [C]
172.30.5.202