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Latest Details
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Name
  MACHO 121.21511.81  
AAVSO UID
000-BKR-565 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 06 30.37 -30 40 52.2  (271.62654 -30.68117) Search nearby
B1950.0 18 03 16.95 -30 41 13.6
Proper motion
RA: 13.9 +/- 11.8 mas/yDec: 0.6 +/- 11.4 mas/ySource: UCAC4
Galactic coord. 0.766 -4.794
Other names

(Internal only)
2MASS J18063036-3040521 OGLE BLG185.2.170571 OGLE BLG521.15.85717
OGLE-BLG-ECL-308757    
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Variability type
EA
Spectral type --
Mag. range
15.53 - 17.42 V
Discoverer Klaus Bernhard, Stefan Hümmerich
Epoch
28 Aug 1996 (HJD 2450324.017) Ephemeris
Outburst --
Period 4.736015 d
Rise/eclipse dur. 14%  (15.91 h)
Remarks
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1 Hümmerich, Stefan Range (Rc): 14.82-16.22. MinII=15.66 (V), 15.01 (Rc). Positional data was taken from 2MASS. J-K = 0.665 (2MASS).
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Soszynski, I.; et al., 2016, The OGLE Collection of Variable Stars. Over
450 000 Eclipsing and Ellipsoidal Binary Systems Toward the Galactic Bulge		 2016AcA....66..405S
2 R.A. Allsman, T.S. Axelrod, 2001, arXiv:astro-ph/0108444 (MACHO online
data)		 2001astro.ph..8444A
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 = 13.50H = 12.96K = 12.84J - K = 0.67
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 06 30.37 -30 40 52.2 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 MACHO 121.21511.81 - phase plots Hümmerich, Stefan 2012-10-01 19:54 UTC MACHO 121.21511.81 - phase plots based on MACHO V and MACHO Rc
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
1 Hümmerich, Stefan 2012-10-01 22:26 UTC Initial submission.

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