20317+6228 BU  671

 
 
20h 31m 40.56s +62° 27' 44.1" P.A. 316.00 sep 0.4 mag 8.01,9.24 Sp A0 dist. 282.49 pc (921.48 l.y.)
 
 
Coord 2000
20317+6228
Discov num
BU  671
Comp
Coord arcsec 2000
20 31 40.56 +62 27 44.1
Date first
1877
Date last
2008
Obs
24
Pa first
335
Pa last
316
P.A. Now (θ)
316°
Sep first
0.5
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
8.01
Mag sec
9.24
delta mag (ΔM)
1.23
Spectral class
A0 (white)
Pri motion ra
-007
Sec motion ra
-007
Pri motion dec
-012
Sec motion dec
-012
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
315.8
Precise sep
0.435
Constellation
Cepheus
SAO
18913
HIP
101273
Tycho2
4237-01981-1
Gaia DR2
2243384362144043264
HD
196069
BD
BD+61 2026
Distance
282.49
Distance ly
921.48
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20317+6228 BU 671 1995 24 316 0.4 8.01 9.24 A0 D 203140.56+622744.1
20317+6228 BU 671 2008 25 316 0.4 8.01 9.24 A0 D 203140.56+622744.1

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