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Name
  V3288 Oph  
AAVSO UID
000-BJW-501 (196 observations)  
Constellation
Ophiuchus Sequence
J2000.0
18 01 55.41 +04 22 16.4  (270.48088 +4.37122) Search nearby
B1950.0 17 59 26.82 +04 22 14.0
Proper motion
RA: -6.9 +/- 1.2 mas/yDec: -12.1 +/- 2.4 mas/ySource: UCAC4
Galactic coord. 31.189 +13.002
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J18015540+0422163 ASAS J180155+0422.2 ASAS J180156+0422.3
GSC 00438-02679 NSV 10028 NSVS 13837994
SON 9853 UCAC3 189-152256 USNO-B1.0 0943-0320829
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Variability type
EA+ZAND:
Spectral type --
Mag. range
11.55 - 12.43 V
Discoverer --
Epoch
17 Sep 2008 (HJD 2454727) Ephemeris
Outburst --
Period 704 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto ASAS light curve shows an eclipse-like event. In the original reference (Hoffmeister, 1967) it was observed faint only on 4 (amost consecutive) nights, which was interpreted as an eclipse of a long period eclipsing binary. All observations fit with a period of 704 days. Variations at maximum, the long period and 2MASS colors (J-K 0.61) support a symbiotic binary classification.
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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 6155
2015IBVS.6155....1K
2 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
3 C.Hoffmeister, AN 290, H. 1-2, 43, 1967. 1967AN....290...43H
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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 = 9.95H = 9.55K = 9.35J - K = 0.61
AllWISE W1 = 8.90W2 = 8.56W3 = 5.87W4 = 4.32W1 - W2 = 0.34W3 - W4 = 1.54
APASS-DR9 B = 12.74V = 11.76g' = 12.26r' = 11.46i' = 11.13B - V = 0.98
SDSS-DR12 u = 15.00g = 12.36r = 14.66i = 14.33z = 11.58u - g = 2.64r - i = 0.33
Images
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Supporting Documents
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1 NSV 10028 light curve Otero, Sebastian Alberto 2010-09-09 23:20 UTC Light curve combining ASAS-3, NSVS, TASS and Hoffmeister's data. ROTSE-I magnitudes haven't been changed. TASS Ic data (of higher quality than TASS V) have been shifted to match the ASAS-3 V-magnitudes. Hoffmeister's 4 faint datapoints have arbitrarily been plotted at V= 12.3
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Stellar Association Membership
 Collinder 359 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Admin, VSX 2016-01-06 23:19 UTC Update from [2015IBVS.6155....1K].
3 Otero, Sebastian Alberto 2010-09-09 23:20 UTC UCAC3 position. V-range from ASAS-3.
1 Admin, VSX 2005-12-17 20:33 UTC Preserved original object data.