18515+1507 OL  105

 
 
18h 50m 58.01s +15 04' 35.0" P.A. 156 sep 4.5 mag 10.80,11.80
 
 
Coord 2000
18515+1507
Discov num
OL  105
Comp
Coord arcsec 2000
18 50 58.01 +15 04 35.0
Date first
1921
Date last
2001
Obs
3
Pa first
146
Pa last
156
P.A. Now (θ)
156°
Sep first
2.7
Sep last
4.5
Sep. Now (ρ)
4.5"
Mag pri
10.80
Mag sec
11.80
delta mag (ΔM)
1
Spectral class
Pri motion ra
-010
Sec motion ra
Pri motion dec
+016
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
155.5
Precise sep
4.49
Constellation
Hercules
last precise pa
155.5
last precise sep
4.49
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18515+1507 OL 105 1921 1 146 2.7 10.80 11.80 N 185112.00+150700.0
18515+1507 OL 105 2000 2 155 4.5 10.80 11.80 N 185058.01+150435.0
18515+1507 OL 105 2001 4 156 4.5 10.80 11.80 N D 185058.01+150435.0

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