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Name
  V2912 Oph  
AAVSO UID
--  
Constellation
Ophiuchus Sequence
J2000.0
17 17 58.90 -18 06 04.7  (259.49542 -18.10131) Search nearby
B1950.0 17 15 03.77 -18 02 55.6
Proper motion
RA: -1.9 +/- 2.1 mas/yDec: -1.2 +/- 2.9 mas/ySource: UCAC4
Galactic coord. 5.734 +11.175
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J17175889-1806045 ASAS J171759-1806.1 ASASSN-V J171758.79-180604.8
GSC 06237-01123 NPM2 -18.1394 NSV 8465
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Variability type
SRB
Spectral type --
Mag. range
12.0 - 13.5 V
Discoverer --
Epoch
14 Sep 2007 (HJD 2454358.0) Ephemeris
Outburst --
Period 118.7 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Other period 75.7 d.
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References
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1 E.V. Kazarovets, N.N. Samus, O.V. Durlevich, N.N. Kireeva, E.N. Pastukhova,
2015, IBVS 6151
2015IBVS.6151....1K
2 Hanson R.B., Klemola A.R., Jones B.F., Monet D.G., 2004, AJ 128, 1430 2004AJ....128.1430H
3 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
4 P.F.Shain, Perem Zvezdy 4, 261, 299, 1934; Pulk Tsirk 10, 1934. --
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 = 6.97H = 6.01K = 5.65J - K = 1.32
AllWISE W1 = 5.63W2 = 5.51W3 = 5.26W4 = 4.86W1 - W2 = 0.12W3 - W4 = 0.41
APASS-DR9 B = 14.21V = 12.45g' = 13.26r' = 11.70B - V = 1.76
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 17 17 58.90 -18 06 04.7 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Revision History
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4 Admin, VSX 2015-11-20 03:19 UTC Update from [2015IBVS.6151....1K].
3 Otero, Sebastian Alberto 2014-12-12 01:23 UTC Primary record creation. Type, period, epoch and range from ASAS-3 data. UCAC4 position.
2 Admin, VSX 2007-03-23 20:06 UTC Position from the Lick NPM2 catalog [2004AJ....128.1430H].
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.