19439+2708 BU  658

 
 
19h 43m 55.97s +27 08' 07.5" P.A. 284 sep 0.3 mag 6.72,7.92 Sp B7V+G1III
 
 
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
Cdsa2 id
BU 658
Constellation
Vulpecula
SAO
87640
HD
186518
HR
7508
Ra deg
19.732213888888886
De deg
27.135416666666668
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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