19571+4939 HDS2839

 
 
19h 57m 06.78s +49 39' 03.7" P.A. 80 sep 0.6 mag 8.57,11.40 Sp A0 dist. 231.48 pc (755.09 l.y.)
 
 
Coord 2000
19571+4939
Discov num
HDS2839
Comp
Coord arcsec 2000
19 57 06.78 +49 39 03.7
Date first
1991
Date last
2008
Obs
2
Pa first
83
Pa last
80
P.A. Now (θ)
80°
Sep first
0.6
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
8.57
Mag sec
11.40
delta mag (ΔM)
2.83
Spectral class
A0 (white)
Pri motion ra
-002
Sec motion ra
Pri motion dec
-010
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
80.3
Precise sep
0.591
Cdsa2 id
HDS 2839
Constellation
Cygnus
HIP
98177
HD
189313
Ra deg
19.95188333333333
De deg
49.65102777777778
Distance
231.48
Distance ly
755.09
last precise pa
80.3
last precise sep
0.591
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19571+4939 HDS2839 1991 1 83 0.6 8.57 11.40 A0 D 195706.78+493903.7
19571+4939 HDS2839 2008 2 80 0.6 8.57 11.40 A0 D 195706.78+493903.7

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