19577+5118 HU  689

 
 
19h 57m 42.12s +51 17' 55.5" P.A. 330 sep 0.1 mag 8.60,9.00 Sp A0 dist. 467.29 pc (1524.3 l.y.)
 
 
Coord 2000
19577+5118
Discov num
HU  689
Comp
Coord arcsec 2000
19 57 42.12 +51 17 55.5
Date first
1904
Date last
1984
Obs
15
Pa first
17
Pa last
330
P.A. Now (θ)
330°
Sep first
0.4
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
8.60
Mag sec
9.00
delta mag (ΔM)
0.4
Spectral class
A0 (white)
Pri motion ra
-027
Sec motion ra
Pri motion dec
+015
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
329.9
Precise sep
0.068
Constellation
Cygnus
SAO
32143
HIP
98229
Tycho2
3570-00440-1
HD
189451
BD
BD+50 2936
Distance
467.29
Distance ly
1524.3
last precise pa
329.9
last precise sep
0.068
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19577+5118 HU 689 1984 15 330 0.1 8.60 9.00 A0 D 195742.12+511755.5

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