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Name
  OGLE BUL_SC36_636869  
AAVSO UID
--  
Constellation
Sagittarius Sequence
J2000.0
18 05 40.47 -27 34 27.5  (271.41862 -27.57431) Search nearby
B1950.0 18 02 31.85 -27 34 45.5
Galactic coord. 3.402 -3.129
Other names

(Internal only)
2XMMi J180540.4-273427 OGLE-2004-BLG-081  
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Variability type
RS
Spectral type --
Mag. range
16.9 - 17.1 Ic
Discoverer --
Epoch
11 Aug 1997 (HJD 2450671.55) Ephemeris
Outburst --
Period 1.98321 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Subgiant companion. Possible post-nova system like GK Per. ELL amplitude 0.22 mag.
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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 E.V. Kazarovets, N.N. Samus, O.V. Durlevich, N.N. Kireeva, E.N. Pastukhova,
2015, IBVS 6155		 2015IBVS.6155....1K
3 Mróz, P.; Udalski, A.; Poleski, R.; et al., 2015, OGLE Atlas of Classical
Novae. I. Galactic Bulge Objects		 2015ApJS..219...26M
4 Mroz, P.; et al., 2015, One Thousand New Dwarf Novae from the OGLE Survey 2015AcA....65..313M
5 K. Bernhard, 2012, BAV Rundbrief 2012-3, 172 2012BAVSR..61..172B
6 N. Sartore, A. Treves, 2012, A&A 539, A52 2012A&A...539A..52S
7 K. Bernhard, 2009, OEJV 108 2009OEJV..108....1B
8 M.K. Szymanski, 2005, Acta Astron. 55, 43 (online data) 2005AcA....55...43S
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Supporting Documents
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Revision History
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5 Otero, Sebastian Alberto 2020-01-28 02:38 UTC Period and epoch from 2016AcA....66..405S.
4 Otero, Sebastian Alberto 2016-10-15 21:04 UTC Type, period and range from 2015ApJS..219...26M.
3 Admin, VSX 2016-01-07 04:26 UTC Update from [2015IBVS.6155....1K].
2 Admin, VSX 2012-09-25 00:40 UTC Update from [2012BAVSR..61..172B].
1 Admin, VSX 2009-08-19 01:24 UTC Initial upload.

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