20157+5014 CHR  93

 
 
20h 15m 43.24s +50 13' 58.3" P.A. 173 sep 0.1 mag 6.31, Sp A2V dist. 111.23 pc (362.83 l.y.)
 
 
Coord 2000
20157+5014
Discov num
CHR  93
Comp
Coord arcsec 2000
20 15 43.24 +50 13 58.3
Date first
1985
Date last
1991
Obs
8
Pa first
194
Pa last
173
P.A. Now (θ)
173°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
6.31
Mag sec
delta mag (ΔM)
Spectral class
A2V (white)
Pri motion ra
+011
Sec motion ra
Pri motion dec
+019
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
172.6
Precise sep
0.107
Constellation
Cygnus
SAO
32400
HIP
99870
Tycho2
3580-00876-1
Gaia DR2
02404054528
HD
192983
HR
7755
BD
BD+49 3236
Distance
111.23
Distance ly
362.83
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20157+5014 CHR 93 1991 8 173 0.1 6.31   A2V 201543.24+501358.3

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