AAVSO Home



Current Time: 29 Mar 2025 02:24:30 UTC
 Welcome, Guest. You are not logged in.
Log in
    Revise    New Search
Latest Details
Log in to retrieve additional aliases from SIMBAD.
Name
  gam Lup  
AAVSO UID
000-BDT-449 (No observations)  
Constellation
Lupus Sequence
J2000.0
15 35 08.45 -41 10 00.3  (233.78521 -41.16675) Search nearby
B1950.0 15 31 48.05 -41 00 01.0
Proper motion
RA: -15.62 +/- 0.69 mas/yDec: -25.43 +/- 0.43 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 333.194 +11.891
Other names

(Internal only)
** H 4786A ALS 15014 CCDM J15351-4110A
CD-40 9760 CD-40 9760A CPD-40 7042
CPD-40 7042A GSC 07840-01432 HD 138690
HD 138690 A HIP 76297 HR 5776
IDS 15285-4050 A IRAS 15318-4100 PPM 320744
SAO 225938 TIC 171611328 UCAC4 245-084138
WDS J15351-4110A gam Lup A  
(Not logged in)  Add name
Variability type
R
Spectral type B2IV SB
Mag. range
2.77 - 2.79 V
Discoverer Hipparcos
Epoch
07 Jun 2015 (HJD 2457180.64) Ephemeris
Outburst --
Period 2.849769 d
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 Nascent non-eclipsing binary. Secondary is on the pre-main sequence (2021MNRAS.503.5554J). Visual binary (similar 3.5 Vmag. stars). Component A is the spectroscopic binary. AB period 188.8 yr., sep 0.1-0.8". Combined range given.
(Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Jerzykiewicz, M.; Pigulski, A.; Michalska, G.; et al., 2021, BRITE
observations of ν Centauri and γ Lupi, the first non-eclipsing
members of the new class of nascent binaries		 2021MNRAS.503.5554J
2 European Space Agency, 1997, The Hipparcos and Tycho Catalogues, ESA
SP-1200		 1997yCat.1239....0E
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.
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 = 3.28H = 3.33K = 3.38J - K = -0.10
AllWISE W1 = 3.46W2 = 3.14W3 = 3.52W4 = 3.52W1 - W2 = 0.32W3 - W4 = 0.00
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Image not downloaded. Click Retrieve Image to download and view. Retrieve image
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.
4 Otero, Sebastian Alberto 2021-04-27 15:07 UTC Type and elements from 2021MNRAS.503.5554J. Range from GCPD and Hipparcos data.
3 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2007-03-23 19:53 UTC Added period, epoch and spectral type from [1997yCat.1239....0E].
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.

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]
18.220.137.93