18515+1507 OL  105

 
 
18h 50m 58.01s +15 04' 35.0" P.A. 157 sep 4.7 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
2015
Obs
4
Pa first
146
Pa last
157
P.A. Now (θ)
157°
Sep first
2.7
Sep last
4.7
Sep. Now (ρ)
4.7"
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
156.5
Precise sep
4.701
Constellation
Hercules
SAO
104173
Gaia DR2
4507457199513468672
 
 
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
18515+1507 OL 105 2015 4 157 4.7 10.80 11.80 N 185058.01+150435.0

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