18104+3221 HO   81

 
 
18h 10m 26.23s +32 21' 10.1" P.A. 215 sep 3.2 mag 8.23,11.12 Sp A2 dist. 154.8 pc (504.96 l.y.)
 
 
Coord 2000
18104+3221
Discov num
HO   81
Comp
Coord arcsec 2000
18 10 26.23 +32 21 10.1
Date first
1883
Date last
2002
Obs
10
Pa first
211
Pa last
215
P.A. Now (θ)
215°
Sep first
2.5
Sep last
3.2
Sep. Now (ρ)
3.2"
Mag pri
8.23
Mag sec
11.12
delta mag (ΔM)
2.89
Spectral class
A2 (white)
Pri motion ra
+018
Sec motion ra
+017
Pri motion dec
+001
Sec motion dec
-001
Notes
rPM=0.124 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
215.2
Precise sep
3.16
Constellation
Hercules
SAO
66709
HIP
89041
Tycho2
2626-02090-1
HD
166682
BD
BD+32 3061
Distance
154.8
Distance ly
504.96
last precise pa
215.2
last precise sep
3.16
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18104+3221 HO 81 2002 10 215 3.2 8.23 11.12 A2 181026.23+322110.1

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