18216+0919 J  2515

 
 
18h 21m 41.50s +09 16' 48.8" P.A. 10 sep 1.2 mag 11.42,11.90
 
 
Coord 2000
18216+0919
Discov num
J  2515
Comp
Coord arcsec 2000
18 21 41.50 +09 16 48.8
Date first
1943
Date last
1991
Obs
7
Pa first
7
Pa last
10
P.A. Now (θ)
10°
Sep first
0.5
Sep last
1.2
Sep. Now (ρ)
1.2"
Mag pri
11.42
Mag sec
11.90
delta mag (ΔM)
0.48
Spectral class
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
-003
Sec motion dec
-003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
10.2
Precise sep
1.215
Constellation
Ophiuchus
Tycho2
1010-01859-1
last precise pa
10.2
last precise sep
1.215
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18216+0919 J 2515 1991 7 10 1.2 11.42 11.90 182141.50+091648.8

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