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Name
  OGLE-BLG-RRLYR-12132  
AAVSO UID
--  
Constellation
Sagittarius Sequence
J2000.0
18 03 37.14 -30 01 56.6  (270.90475 -30.03239) Search nearby
B1950.0 18 00 24.79 -30 02 05.4
Galactic coord. 1.031 -3.934
Other names

(Internal only)
Gaia DR3 4050198110543863808 OGLE BLG190.6.26362 OGLE BLG513.11.133776
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Variability type
RRAB
Spectral type --
Mag. range
15.86 - 16.79 G
Discoverer I. Soszynski et al. (OGLE)
Epoch
08 Dec 2014 (HJD 2457000.1378) Ephemeris
Outburst --
Period 0.563834 d  (13.5320 h)
Rise/eclipse dur. 13%  (1.76 h)
Remarks
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1 Otero, Sebastian Alberto Correctly identified as Gaia DR3 4050198110543863808 in 2011AcA....61....1S with mean Ic mag. 15.606 and amplitude 0.741, but in 2014AcA....64..177S, the ID was changed to that of the much fainter Gaia DR3 4050198106370354816 (2.1" to the ENE, G= 18.7). Variability in the OGLE light curve of the faint star, with range Ic= 17.6 - 18.0, actually comes from contamination by the real variable.
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References
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1 Gaia collaboration; et al., 2022, Gaia Data Release 3 (Gaia DR3) Part 4
Variability
2022yCat.1358....0G
2 Soszyński, I.; et al., 2014, Over 38000 RR Lyrae Stars in the OGLE
Galactic Bulge Fields
2014AcA....64..177S
3 I. Soszynski et al., 2011, Acta Astron. 61, 1 (Chart) 2011AcA....61....1S
4 I. Soszynski et al., 2011, Acta Astron. 61, 1 (online V data) 2011AcA....61....1S
5 I. Soszynski et al., 2011, Acta Astron. 61, 1 (online I data) 2011AcA....61....1S
6 I. Soszynski et al., 2011, Acta Astron. 61, 1 2011AcA....61....1S
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Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2025-04-18 00:02 UTC Range and identification confirmation from 2022yCat.1358....0G. Rise duration from OGLE data. Gaia DR3 position.
2 Otero, Sebastian Alberto 2019-09-28 22:49 UTC Period and epoch from 2011AcA....61....1S (2018 version).
1 Admin, VSX 2011-06-07 03:48 UTC Initial upload.