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Name
  V0426 Oph  
AAVSO UID
000-BCB-381 (20456 observations)  
Constellation
Ophiuchus Sequence
J2000.0
18 07 51.69 +05 51 47.8  (271.96537 +5.86328) Search nearby
B1950.0 18 05 24.81 +05 51 20.5
Proper motion
RA: 1.7 +/- 3.0 mas/yDec: -34.4 +/- 1.8 mas/ySource: UCAC4
Galactic coord. 33.236 +12.351
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
1AXG J180752+0551 1RXS J180751.8+055144 2MASS J18075169+0551478
2MAXI J1807+059 2RXP J180751.8+055147 2RXS J180751.8+055144
3XMM J180751.6+055147 AAVSO 1803+05 AN 29.1926
Downes V0426 Oph GALEX J180751.5+055147 GALEX J180751.6+055147
GSC 00443-01459 PBC J1807.9+0551 SBC9 1026
SVS 83 SWIFT J1807.9+0549 XMMOM J180751.7+055148
XSS J18080+0622    
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Variability type
UGZ/DQ:
Spectral type WD+K5V
Mag. range
11.2 - 13.4 V
Discoverer Sergej Ivanovich Belyavskij
Epoch
--
Outburst --
Period 0.2853 d  (6.85 h)
Rise/eclipse dur. --
Remarks
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1 Schmeer, Patrick Gaia DR2 parallax 5.1962 ± 0.0404 mas (distance 192.4 ± 1.5 pc).
2 GCVS Team Outbursts separated by 17d - 55d [M.Beyer, Bamb Ver XII, N123, 1977.]; in 1976 - 77 the cycle was 32.3d. Outside outbursts 12.7m - 13.3m, waves with a cycle of 20 - 30 Min and slower variations.
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References
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1 R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version) 2005JAD....11....2D
2 Chandra Observation of V426 Oph: Weighing the Evidence for a Magnetic White
Dwarf
2004ApJ...610..991H
3 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
4 S.Yu.Shugarov, Perem. Zvezdy 22, N1, 31-36, 1983. 1983PZ.....22...31S
5 G.Williams, ApJ Suppl 53, N3, 523, 1983. 1983ApJS...53..523W
6 Beljawski, S., 1926, Mitteilungen über Veränderliche 1926AN....228..119L
External Links
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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 = 11.00H = 10.49K = 10.33J - K = 0.67
AllWISE W1 = 10.21W2 = 10.14W3 = 9.75W4 = 8.81W1 - W2 = 0.07W3 - W4 = 0.94
APASS-DR9 B = 12.97V = 12.53g' = 12.72r' = 12.34i' = 12.10B - V = 0.44
GALEX-DR5 FUV = 14.66NUV = 14.70FUV - NUV = -0.04
Images
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Supporting Documents
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Stellar Association Membership
 Collinder 359 Open Cluster 2012A&A...548A..97Z
Campaigns/Programs
 Z CamPaign
 Legacy CVs
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Schmeer, Patrick 2018-07-06 08:26 UTC Discoverer added from 1926AN....228..119B.
3 Otero, Sebastian Alberto 2011-04-29 01:15 UTC Primary record creation. Type and orbital period from Downes (2001). Spectral type from Skiff (2010). Range from ASAS-3 data.
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.