19507+4851 HU  684

 
 
19h 50m 42.92s +48 51' 05.6" P.A. 236 sep 0.1 mag 9.40,9.40 Sp F8
 
 
Coord 2000
19507+4851
Discov num
HU  684
Comp
Coord arcsec 2000
19 50 42.92 +48 51 05.6
Date first
1904
Date last
2008
Obs
20
Pa first
175
Pa last
236
P.A. Now (θ)
236°
Sep first
0.9
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
9.40
Mag sec
9.40
delta mag (ΔM)
0
Spectral class
F8 (yellow-white)
Pri motion ra
+020
Sec motion ra
Pri motion dec
-115
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
236.4
Precise sep
0.101
Constellation
Cygnus
SAO
48899
Tycho2
3565-01246-1
HD
187980
last precise pa
236.4
last precise sep
0.101
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19507+4851 HU 684 1986 19 152 0.2 9.40 9.40 F8 195042.92+485105.6
19507+4851 HU 684 2008 20 236 0.1 9.40 9.40 F8 195042.92+485105.6

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