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Latest Details
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Name
  V1685 Cyg  
AAVSO UID
000-BDC-284 (21 observations)  
Constellation
Cygnus Sequence
J2000.0
20 20 28.25 +41 21 51.6  (305.11771 +41.36433) Search nearby
B1950.0 20 18 42.65 +41 12 18.5
Proper motion
RA: -2.382 +/- 0.259 mas/yDec: -6.548 +/- 0.295 mas/ySource: Gaia DR1
Galactic coord. 78.872 +2.770
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 2017+41B BD+40 4124 HBC 689
HIP 100289 Hen 3-1882 IOMC 3160000061
MWC 340 NSV 13028  
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Variability type
INA
Spectral type B2e
Mag. range
10.58 - 10.72 V
Discoverer --
Epoch
--
Outburst --
Period --
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 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
2 R.W.Milkey, H.M.Dyck, ApJ 181, 833, 1973. 1973ApJ...181..833M
3 G.H.Herbig, ApJ Suppl 4, N43, 337, 1960. 1960ApJS....4..337H
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 = 7.90H = 6.79K = 5.77J - K = 2.14
APASS-DR9 B = 11.68V = 10.63r' = 10.27i' = 9.85B - V = 1.04
SDSS-DR12 u = 14.15g = 13.03r = 8.76i = 8.77z = 9.02u - g = 1.12r - i = -0.00
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 20 20 28.25 +41 21 51.6 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
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.