18358+2522 HDS2637

 
 
18h 35m 45.71s +25 22' 00.9" P.A. 119 sep 0.2 mag 9.20,9.67 Sp B9 dist. 275.48 pc (898.62 l.y.)
 
 
Coord 2000
18358+2522
Discov num
HDS2637
Comp
Coord arcsec 2000
18 35 45.71 +25 22 00.9
Date first
1991
Date last
2008
Obs
3
Pa first
106
Pa last
119
P.A. Now (θ)
119°
Sep first
0.1
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
9.20
Mag sec
9.67
delta mag (ΔM)
0.47
Spectral class
B9 (blue-white)
Pri motion ra
+000
Sec motion ra
Pri motion dec
-008
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
119.2
Precise sep
0.17
Constellation
Hercules
SAO
86225
HIP
91150
Tycho2
2111-01511-1
HD
171798
BD
BD+25 3578
Distance
275.48
Distance ly
898.62
last precise pa
119.2
last precise sep
0.17
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18358+2522 HDS2637 1991 1 106 0.1 9.20 9.67 B9 183545.71+252200.9
18358+2522 HDS2637 2006 2 108 0.1 9.20 9.67 B9 183545.71+252200.9
18358+2522 HDS2637 2008 3 119 0.2 9.20 9.67 B9 183545.71+252200.9

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