19519+4121 HDS2831

 
 
19h 51m 51.00s +41 20' 55.7" P.A. 236 sep 0.3 mag 7.79,10.75 Sp B9 dist. 354.61 pc (1156.74 l.y.)
 
 
Coord 2000
19519+4121
Discov num
HDS2831
Comp
Coord arcsec 2000
19 51 51.00 +41 20 55.7
Date first
1991
Date last
1991
Obs
1
Pa first
236
Pa last
236
P.A. Now (θ)
236°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
7.79
Mag sec
10.75
delta mag (ΔM)
2.96
Spectral class
B9 (blue-white)
Pri motion ra
+002
Sec motion ra
Pri motion dec
+000
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
236
Precise sep
0.262
Constellation
Cygnus
SAO
48913
HIP
97750
Tycho2
3145-02489-1
HD
188101
BD
BD+40 3912
Distance
354.61
Distance ly
1156.74
last precise pa
236
last precise sep
0.262
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19519+4121 HDS2831 1991 1 236 0.3 7.79 10.75 B9 195151.00+412055.7

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