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  V1491 Cyg  
000-BDC-371 (1550 observations)  
Cygnus Sequence
20 51 04.65 +44 23 50.1  (312.76938 +44.39725) Search nearby
B1950.0 20 49 18.98 +44 12 33.0
Proper motion
RA: -2.6 +/- 17.3 mas/yDec: -12.6 +/- 17.5 mas/ySource: UCAC4
Galactic coord. 84.664 +0.111
Other names

(Internal only)
2MASS J20510465+4423501 AAVSO 2047+44B ASASSN-V J205104.50+442349.8
ATO J312.7693+44.3972 CXO J205104.6+442350 CXOGSG J205104.6+442350
HBC 296 HBHA 4203-16 IPHAS J205104.65+442350.2
LkHA 149 SON 7813 UCAC4 672-086837
UHA 41 USNO-B1.0 1343-0410720  
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Variability type
Spectral type G8-K0e(T)
Mag. range
14.6 - 16.0 V
Discoverer --
Outburst --
Period --
Rise/eclipse dur. --
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1 GCVS Team In the region of the nebula IC 5070.
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Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2 Herbig, G. H.; Bell, K. R., 1988, Third Catalog of Emission-Line Stars of
the Orion Population
3 F.Gieseking, Bonn Veroeff N87, 1973. 1973VeBon..87....1G
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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 = 11.99H = 10.86K = 10.04J - K = 1.96
AllWISE W1 = 8.95W2 = 8.19W3 = 5.96W4 = 3.71W1 - W2 = 0.76W3 - W4 = 2.25
APASS-DR9 B = 16.84V = 15.18g' = 16.10r' = 14.59i' = 14.06B - V = 1.66
Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2019-10-23 23:54 UTC Type from 1988LicOB1111....1H. Range from ASAS-SN data. Gaia DR2 position.
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.