20045+4814 CHR  91

 
 
20h 04m 28.79s +48 13' 46.8" P.A. 213 sep 0.4 mag 6.21,9.71 Sp A2IV dist. 183.49 pc (598.54 l.y.)
 
 
Coord 2000
20045+4814
Discov num
CHR  91
Comp
Coord arcsec 2000
20 04 28.79 +48 13 46.8
Date first
1985
Date last
2010
Obs
15
Pa first
204
Pa last
213
P.A. Now (θ)
213°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
6.21
Mag sec
9.71
delta mag (ΔM)
3.5
Spectral class
A2IV (white)
Pri motion ra
+011
Sec motion ra
Pri motion dec
+004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
213.2
Precise sep
0.414
Constellation
Cygnus
SAO
49152
HIP
98858
Tycho2
3563-02451-1
Gaia DR2
70179064576
HD
190781
HR
7684
BD
BD+47 3004
Distance
183.49
Distance ly
598.54
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20045+4814 CHR 91 2003 14 212 0.4 6.21 9.71 A2IV D 200428.79+481346.8
20045+4814 CHR 91 2010 15 213 0.4 6.21 9.71 A2IV D 200428.79+481346.8

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