21102+2045 RAO  25

 
 
21h 10m 14.25s +20 44' 37.1" P.A. 211 sep 3.2 mag 8.20,13.00 Sp F8 dist. 64.56 pc (210.59 l.y.)
 
 
Coord 2000
21102+2045
Discov num
RAO  25
Comp
Coord arcsec 2000
21 10 14.25 +20 44 37.1
Date first
2012
Date last
2016
Obs
4
Pa first
209
Pa last
211
P.A. Now (θ)
211°
Sep first
3.3
Sep last
3.2
Sep. Now (ρ)
3.2"
Mag pri
8.20
Mag sec
13.00
delta mag (ΔM)
4.8
Spectral class
F8 (yellow-white)
Pri motion ra
-092
Sec motion ra
Pri motion dec
+067
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
210.5
Precise sep
3.16
Constellation
Vulpecula
SAO
89501
HIP
104514
Tycho2
1661-00373-1
Gaia DR2
53064791680
HD
201639
BD
BD+20 4844
Distance
64.56
Distance ly
210.59
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21102+2045 RAO 25 2012 1 209 3.4 8.10 12.80 211014.25+204437.0
21102+2045 RAO 25 2013 2 209 3.4 8.20 13.00 211014.25+204437.1
21102+2045 RAO 25 2016 4 211 3.2 8.20 13.00 F8 N 211014.25+204437.1

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