18500+2043 HU  328 (AD Her)

 
 
18h 50m 00.30s +20 43' 16.5" P.A. 190 sep 4.5 mag 9.76,11.16 Sp G5 dist. 1149.43 pc (3749.44 l.y.)
 
 
Coord 2000
18500+2043
Discov num
HU  328
Comp
Coord arcsec 2000
18 50 00.30 +20 43 16.5
Date first
1896
Date last
2010
Obs
19
Pa first
189
Pa last
190
P.A. Now (θ)
190°
Sep first
4.5
Sep last
4.5
Sep. Now (ρ)
4.5"
Mag pri
9.76
Mag sec
11.16
delta mag (ΔM)
1.4
Spectral class
G5 (yellow)
Pri motion ra
-004
Sec motion ra
-003
Pri motion dec
-005
Sec motion dec
-011
Notes
N (See Notes)
rPM=0.533
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
189.9
Precise sep
4.52
Var name
AD Her
Constellation
Hercules
HIP
92414
Tycho2
1596-02599-1
HD
349425
BD
BD+20 3950
Distance
1149.43
Distance ly
3749.44
last precise pa
189.9
last precise sep
4.52
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18500+2043 HU 328 2003 17 189 4.6 9.76 11.16 G5 N D 185000.30+204316.5
18500+2043 HU 328 2010 19 190 4.5 9.76 11.16 G5 N 185000.30+204316.5

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