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Latest Details
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Name
  OGLE-BLG-RRLYR-16366  
AAVSO UID
--  
Constellation
Sagittarius Sequence
J2000.0
18 18 01.16 -25 10 27.2  (274.50483 -25.17422) Search nearby
B1950.0 18 14 56.30 -25 11 48.5
Proper motion
RA: -54.1 +/- 14.2 mas/yDec: 186.6 +/- 14.2 mas/ySource: UCAC4
Galactic coord. 6.838 -4.412
Other names

(Internal only)
2MASS J18180115-2510271 ASASSN-V J181801.16-251027.2 OGLE BLG261.5.20520
OGLE BLG529.31.673 UCAC4 325-146918  
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Variability type
RRAB/BL:
Spectral type --
Mag. range
15.63 - 16.01 Ic
Discoverer I. Soszynski et al. (OGLE)
Epoch
17 Jun 2009 (HJD 2455000.3363) Ephemeris
Outburst --
Period 0.3482437 d  (8.35785 h)
Rise/eclipse dur. 30%:  (2.507 h)
Remarks
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1 Otero, Sebastian Alberto Possible Blazko effect.
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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 V data) 2011AcA....61....1S
3 I. Soszynski et al., 2011, Acta Astron. 61, 1 (online I data) 2011AcA....61....1S
4 I. Soszynski et al., 2011, Acta Astron. 61, 1 2011AcA....61....1S
External Links
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Location    Go   
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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 = 15.28
Images
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Size 5' x 5' (297 x 298 pixels)
Center 18 18 01.16 -25 10 27.2 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2012-09-24 09:36 UTC Phase plot with OGLE data.
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Revision History
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4 Otero, Sebastian Alberto 2019-09-28 22:48 UTC Cross-identifications from 2011AcA....61....1S (2018 version).
3 Admin, VSX 2015-12-19 02:44 UTC Updated variability type to indicate Blazhko effect.
2 Otero, Sebastian Alberto 2012-09-24 09:36 UTC Period, rise duration and range from OGLE data.
1 Admin, VSX 2011-06-07 03:48 UTC Preserved original object data.