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Latest Details
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Name
  V2491 Sgr  
AAVSO UID
000-BFG-848 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 00 34.99 -29 04 52.0  (270.14579 -29.08111) Search nearby
B1950.0 17 57 24.10 -29 04 47.6
Galactic coord. 1.537 -2.892
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
OGLE BLG206.1.159816 OGLE BLG505.17.18197 OGLE BUL_SC21 517225
OGLE BUL_SC21_517225 OGLE-BLG-ECL-244603 OGLEII DIA BUL-SC21 V2002
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Variability type
EA
Spectral type --
Mag. range
15.98 - 17.66 Ic
Discoverer --
Epoch
10 Dec 2014 (HJD 2457002.0552) Ephemeris
Outburst --
Period 2.538433 d
Rise/eclipse dur. 14%  (8.53 h)
Remarks
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1 Otero, Sebastian Alberto V= 17.0. Min II= 16.13 Ic. Close companion (V= 17.74; Ic= 16.26) 1.1" to the NE.
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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 M.K. Szymanski, 2005, Acta Astron. 55, 43 (online data) 2005AcA....55...43S
3 M.A.T.Groenewegen, A&A 439, 559, 2005. 2005A&A...439..559G
4 P.Th.Oosterhoff, J.Ponsen, BAN Suppl 3, N2, 79, 1968. 1968BANS....3...79O
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 00 34.99 -29 04 52.0 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2016-02-06 06:01 UTC Phase plot with OGLE Ic data.
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Otero, Sebastian Alberto 2020-01-28 02:33 UTC Position, period and epoch from 2016AcA....66..405S.
4 Otero, Sebastian Alberto 2016-02-06 06:01 UTC Period, epoch, eclipse duration, range and position from OGLE data.
3 Otero, Sebastian Alberto 2011-01-21 06:29 UTC Primary record creation. Period from OGLE II DIA entry.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.