20185+5542 BU 1260

 
 
20h 18m 28.58s +55 41' 33.8" P.A. 140 sep 0.3 mag 8.90,11.50 Sp G5
 
 
Coord 2000
20185+5542
Discov num
BU 1260
Comp
Coord arcsec 2000
20 18 28.58 +55 41 33.8
Date first
1891
Date last
1992
Obs
11
Pa first
169
Pa last
140
P.A. Now (θ)
140°
Sep first
0.5
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
8.90
Mag sec
11.50
delta mag (ΔM)
2.6
Spectral class
G5 (yellow)
Pri motion ra
+001
Sec motion ra
Pri motion dec
+019
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
139.9
Precise sep
0.34
Constellation
Cygnus
SAO
32458
Tycho2
3941-01352-1
Gaia DR2
33372980608
HD
239377
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20185+5542 BU 1260 1992 11 140 0.3 8.90 11.50 G5 201828.58+554133.8

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