18215+1257 OL  173

 
 
18h 21m 29.61s +12 57' 02.7" P.A. 23 sep 1.7 mag 10.45,10.67
 
 
Coord 2000
18215+1257
Discov num
OL  173
Comp
Coord arcsec 2000
18 21 29.61 +12 57 02.7
Date first
1937
Date last
2005
Obs
7
Pa first
24
Pa last
23
P.A. Now (θ)
23°
Sep first
1.4
Sep last
1.7
Sep. Now (ρ)
1.7"
Mag pri
10.45
Mag sec
10.67
delta mag (ΔM)
0.22
Spectral class
Pri motion ra
-008
Sec motion ra
-008
Pri motion dec
-037
Sec motion dec
-037
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
22.6
Precise sep
1.7
Constellation
Hercules
Tycho2
1018-02073-1
last precise pa
22.6
last precise sep
1.7
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18215+1257 OL 173 2005 7 23 1.7 10.45 10.67 182129.61+125702.7

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