18316+1203 HU  244

 
 
18h 31m 34.70s +12 02' 31.6" P.A. 253 sep 1.4 mag 9.63,10.97 Sp A
 
 
Coord 2000
18316+1203
Discov num
HU  244
Comp
Coord arcsec 2000
18 31 34.70 +12 02 31.6
Date first
1900
Date last
1996
Obs
9
Pa first
256
Pa last
253
P.A. Now (θ)
253°
Sep first
1.1
Sep last
1.4
Sep. Now (ρ)
1.4"
Mag pri
9.63
Mag sec
10.97
delta mag (ΔM)
1.34
Spectral class
A (white)
Pri motion ra
+003
Sec motion ra
+003
Pri motion dec
-006
Sec motion dec
-006
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
252.6
Precise sep
1.43
Constellation
Ophiuchus
SAO
103809
Tycho2
1032-00935-1
HD
170933
last precise pa
252.6
last precise sep
1.43
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18316+1203 HU 244 1996 9 253 1.4 9.63 10.97 A 183134.70+120231.6

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