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Latest Details
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Name
  [C2001c] vd5f715  
AAVSO UID
000-BJX-205 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 11 09.59 -30 07 20.5  (272.78996 -30.12236) Search nearby
B1950.0 18 07 57.12 -30 08 02.3
Galactic coord. 1.740 -5.408
Other names

(Internal only)
MACHO 122.23470.655 OGLE BLG193.7.86739 OGLE BLG521.26.123
OGLE-BLG-ECL-350757    
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Variability type
EW
Spectral type --
Mag. range
17.5 - 17.9 R
Discoverer --
Epoch
08 Dec 2014 (HJD 2457000.4586) Ephemeris
Outburst --
Period 0.830923 d  (19.9422 h)
Rise/eclipse dur. --
Remarks
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1 2000A&A...357..871C First overtone period = 0.41545d, ratio = 0.7487.
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References
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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 P. Wils, 2010, IBVS 5955 2010IBVS.5955....1W
3 R.A. Allsman, T.S. Axelrod, 2001, arXiv:astro-ph/0108444 2001astro.ph..8444A
4 P. Cseresnjes, 2001, A&A 375, 909 2001A&A...375..909C
5 Cseresnjes P., Alard C., Guibert J., 2000, A&A 357, 871 2000A&A...357..871C
External Links
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Location    Go   
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Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 11 09.59 -30 07 20.5 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 Phase plot Wils, Patrick 2010-11-05 02:38 UTC Folded light curve based on MACHO data.
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Revision History
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3 Otero, Sebastian Alberto 2020-01-28 02:33 UTC Position, period and epoch from 2016AcA....66..405S.
2 Wils, Patrick 2010-11-05 02:38 UTC MACHO data show this to be an EW, not an RRD.
1 Admin, VSX 2009-03-12 01:39 UTC Preserved original object data.