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Latest Details
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Name
  V1821 Cyg  
AAVSO UID
000-BDP-594 (8 observations)  
Constellation
Cygnus Sequence
J2000.0
20 06 33.48 +35 52 42.0  (301.63950 +35.87833) Search nearby
B1950.0 20 04 40.91 +35 44 00.7
Proper motion
RA: -4.686 +/- 0.910 mas/yDec: -19.848 +/- 0.776 mas/ySource: Gaia DR1
Galactic coord. 72.793 +2.010
Other names

(Internal only)
ASASSN-V J200633.55+355242.9 BD+35 3963 HD 227695
IOMC 2683000031    
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Variability type
DSCTC
Spectral type F0
Mag. range
10.07 - 10.20 V
Discoverer --
Epoch
--
Outburst --
Period 0.11339384 d  (2.721452 h)
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 A.J.Delgado, E.J.Alfaro, J.M.Garcia-Pelyo, R.Garrido, S.Vidal, AsAp Suppl
58,No.3,447,1984.
1984A&AS...58..447D
3 A.A.Hoag, H.L.Johnson, B.Iriarte, R.I.Mitchell, K.L.Hallam, S.Sharpless,
Naval Obs Publ, Sec. ser.,17,part VII,1961.
--
4 Catalogue of Stellar Spectral Classifications (Skiff, 2009-2016) 1925AnHar.100....1C
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 = 9.30H = 9.18K = 9.10J - K = 0.20
AllWISE W1 = 9.04W2 = 9.06W3 = 9.03W1 - W2 = -0.01
APASS-DR9 B = 10.54V = 10.13g' = 10.54r' = 10.07i' = 10.02B - V = 0.41
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 20 06 33.48 +35 52 42.0 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Stellar Association Membership
 NGC 6871 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 2017-12-15 14:07 UTC Spectral type from Skiff (VizieR on-line data: B/mk)
3 Admin, VSX 2012-10-05 01:07 UTC Update from [2012arXiv1210.0821A].
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.