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
 
 
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
Cdsa2 id
HU 689
Constellation
Cygnus
Ra deg
19.9617
De deg
51.29875
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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