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Details for Revision 2
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Name
  MACHO 108.18819.922  
AAVSO UID
--  
Constellation
Sagittarius Sequence
J2000.0
18 00 02.16 -28 08 20.1  (270.00900 -28.13892) Search nearby
B1950.0 17 56 52.70 -28 08 13.4
Galactic coord. 2.296 -2.321
Other names

(Internal only)
OGLE-BLG-RRLYR-10256    
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Variability type
RRAB
Spectral type --
Mag. range
16.125 (0.408) I
Discoverer --
Epoch
18 Jun 2009 (HJD 2455000.5254) Ephemeris
Outburst --
Period 0.63480965 d  (15.235432 h)
Rise/eclipse dur. --
Remarks
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References
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1 I. Soszynski et al., 2011, Acta Astron. 61, 1 (Chart) 2011AcA....61....1S
2 I. Soszynski et al., 2011, Acta Astron. 61, 1 (online I data) 2011AcA....61....1S
3 I. Soszynski et al., 2011, Acta Astron. 61, 1 (online V data) 2011AcA....61....1S
4 I. Soszynski et al., 2011, Acta Astron. 61, 1 2011AcA....61....1S
5 I. Soszynski et al., 2011, Acta Astron. 61, 1 2011AcA....61....1S
6 A. Kunder, P. Popowski, K.H. Cook, B. Chaboyer, 2008, AJ 135, 631 2008AJ....135..631K
7 R.A. Allsman, T.S. Axelrod, 2001, arXiv:astro-ph/0108444 2001astro.ph..8444A
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Location    Go   
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Supporting Documents
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Stellar Association Membership
 Trumpler 31 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Otero, Sebastian Alberto 2019-09-28 22:02 UTC Period, epoch, magnitude and amplitude from 2011AcA....61....1S (2018 version).
2 Admin, VSX 2011-06-08 02:48 UTC Update from [2011AcA....61....1S].
1 Admin, VSX 2009-03-09 03:49 UTC Initial upload.

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