19439+2708 BU  658 (PS Vul)

 
 
19h 43m 55.97s +27 08' 07.5" P.A. 284.00 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)
Visually invisible, K-band or other infrared star 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
Gaia DR2
94291893888
HD
186518
HR
7508
BD
BD+26 3654
Distance
757.58
Distance ly
2471.23
 
 
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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