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(Q24891286)
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BI Cygni
star in the constellation Cygnus
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Statements
instance of
red supergiant
1 reference
stated in
SIMBAD
double star
1 reference
stated in
SIMBAD
variable star
1 reference
stated in
SIMBAD
long-period variable star
1 reference
stated in
SIMBAD
infrared source
1 reference
stated in
SIMBAD
catalog code
2MASS J20212192+3655555
catalog
2MASS
1 reference
stated in
SIMBAD
AAVSO 2017+36B
catalog
American Association of Variable Star Observers
1 reference
stated in
SIMBAD
BD+36 4025
catalog
Durchmusterung
1 reference
stated in
SIMBAD
CCDM J20215+3656A
catalog
Catalog of Components of Double and Multiple Stars
1 reference
stated in
SIMBAD
GSC 02684-00522
catalog
Guide Star Catalog
1 reference
stated in
SIMBAD
IDS 20176+3637 A
catalog
Index Catalogue of Visual Double Stars
1 reference
stated in
SIMBAD
IRAS 20194+3646
catalog
IRAS
1 reference
stated in
SIMBAD
IRC +40408
catalog
Two-Micron Sky Survey
1 reference
stated in
SIMBAD
JP11 158
catalog
JP11
1 reference
stated in
SIMBAD
RAFGL 2559
catalog
The Revised AFGL (RAFGL) catalogue
1 reference
stated in
SIMBAD
TYC 2684-522-1
catalog
Tycho Catalogue
1 reference
stated in
SIMBAD
UBV M 2712
catalog
Photoelectric catalogue, magnitudes and colors of stars in the UBV and UCBV systems
1 reference
stated in
SIMBAD
BI Cyg
catalog
General Catalogue of Variable Stars
1 reference
stated in
SIMBAD
WDS J20214+3656A
catalog
Washington Double Star Catalog
1 reference
stated in
SIMBAD
Gaia DR2 2057564148278709760
catalog
Gaia Data Release 2
1 reference
stated in
SIMBAD
constellation
Cygnus
1 reference
imported from Wikimedia project
English Wikipedia
parallax
0.7269±0.0811
milliarcsecond
1 reference
stated in
Gaia Data Release 2
declination component of proper motion
−5.223±0.151
milliarcsecond per year
1 reference
stated in
Gaia Data Release 2
right ascension component of proper motion
−2.929±0.14
milliarcsecond per year
1 reference
stated in
Gaia Data Release 2
radial velocity
−6.82±0.42
kilometre per second
1 reference
stated in
Gaia Data Release 2
spectral class
M4Iab
1 reference
stated in
Spectral properties of luminous late-type stars
M2/4I
1 reference
stated in
Spectral type and luminosity classification of late-type M stars from near-infrared image tube coude spectrograms
M4
1 reference
stated in
Reddened Early m- and S-Type Stars Near the Galactic Equator
M3-M4I
1 reference
stated in
The Effective Temperature Scale of Galactic Red Supergiants: Cool, but Not as Cool as We Thought
apparent magnitude
11.48
astronomical filter
B band
1 reference
stated in
Catalogue of Stellar Photometry in Johnson's 11-color system
8.40
astronomical filter
V band
1 reference
stated in
Catalogue of Stellar Photometry in Johnson's 11-color system
6.5147±0.0041
astronomical filter
G band
1 reference
stated in
Gaia Data Release 2
2.35
astronomical filter
J band
1 reference
stated in
Catalogue of Stellar Photometry in Johnson's 11-color system
1.15
astronomical filter
H band
1 reference
stated in
Catalogue of Stellar Photometry in Johnson's 11-color system
0.62
astronomical filter
K band
1 reference
stated in
Catalogue of Stellar Photometry in Johnson's 11-color system
epoch
J2000.0
1 reference
stated in
Gaia Data Release 2
right ascension
305.34119647146140
degree
1 reference
stated in
Gaia Data Release 2
declination
36.93214587358430
degree
1 reference
stated in
Gaia Data Release 2
Identifiers
Google Knowledge Graph ID
/g/11bzzxs783
0 references
SIMBAD ID
V* BI Cyg
0 references
Sitelinks
Wikipedia
(8 entries)
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enwiki
BI Cygni
eswiki
BI Cygni
itwiki
BI Cygni
mkwiki
BI Лебед
ruwiki
BI Лебедя
simplewiki
BI Cygni
ukwiki
BI Лебедя
zhwiki
天鵝座BI
Wikibooks
(0 entries)
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Wikinews
(0 entries)
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Wikiquote
(0 entries)
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Wikisource
(0 entries)
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Wikiversity
(0 entries)
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Wikivoyage
(0 entries)
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Wiktionary
(0 entries)
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Multilingual sites
(0 entries)
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