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Latest Details
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Name
  ER Oph  
AAVSO UID
000-BDW-665 (560 observations)  
Constellation
Ophiuchus Sequence
J2000.0
17 00 42.14 -26 10 12.6  (255.17558 -26.17017) Search nearby
B1950.0 16 57 36.78 -26 05 49.6
Galactic coord. 356.686 +9.787
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J17004213-2610124 AN 902.1936 ASAS J170042-2610.2
CMC14 J170042.1-261012 HV 4320 HV 9180
IRAS Z16575-2605    
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Variability type
M
Spectral type --
Mag. range
11.8 - <14.8 V
Discoverer --
Epoch
26 Sep 2003 (HJD 2452909) Ephemeris
Outburst --
Period 210 d
Rise/eclipse dur. --
Remarks
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
2 H.H.Swope, HB N887, 1932. 1932BHarO.887....6S
3 H.H.Swope, HB N857, 1928. 1928BHarO.857....1S
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 = 8.49H = 7.67K = 7.25J - K = 1.24
AllWISE W1 = 6.85W2 = 6.44W3 = 5.61W4 = 4.78W1 - W2 = 0.40W3 - W4 = 0.83
APASS-DR9 B = 16.43V = 14.73g' = 15.46r' = 13.91i' = 11.89B - V = 1.70
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 17 00 42.14 -26 10 12.6 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Campaigns/Programs
 Symbiotic candidates
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Otero, Sebastian Alberto 2013-04-09 15:31 UTC Primary record creation. Type, period, epoch and maximum magnitude from ASAS-3 data. Minimum magnitude from CMC14.
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.