19439+2708 BU  658 (PS Vul)

 
 
19h 43m 55.97s +27 08' 07.5" P.A. 284 sep 0.3 mag 6.72,7.92 Sp B7V+G1III dist. 757.58 pc (2471.23 l.y.)
 
 
Coord 2000
19439+2708
Discov num
BU  658
Comp
Coord arcsec 2000
19 43 55.97 +27 08 07.5
Date first
1878
Date last
1998
Obs
35
Pa first
295
Pa last
284
P.A. Now (θ)
284°
Sep first
0.6
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
6.72
Mag sec
7.92
delta mag (ΔM)
1.2
Spectral class
B7V+G1III (blue-white/yellow)
Pri motion ra
+005
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
283.6
Precise sep
0.349
Var name
PS Vul
Constellation
Vulpecula
SAO
87640
HIP
97091
Tycho2
2147-03303-1
HD
186518
HR
7508
BD
BD+26 3654
Distance
757.58
Distance ly
2471.23
last precise pa
283.6
last precise sep
0.349
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19439+2708 BU 658 1998 37 284 0.3 6.72 7.92 B7V G1III N 194355.97+270807.5
19439+2708 BU 658 2003 34 281 0.3 6.72 7.92 B7V+G1III N D 194355.97+270807.5

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