18443+2052 HU  325

 
 
18h 44m 18.57s +20 52' 17.8" P.A. 7 sep 0.3 mag 10.17,10.85 Sp A0 dist. 934.58 pc (3048.6 l.y.)
 
 
Coord 2000
18443+2052
Discov num
HU  325
Comp
Coord arcsec 2000
18 44 18.57 +20 52 17.8
Date first
1901
Date last
2008
Obs
11
Pa first
13
Pa last
7
P.A. Now (θ)
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
10.17
Mag sec
10.85
delta mag (ΔM)
0.68
Spectral class
A0 (white)
Pri motion ra
-005
Sec motion ra
Pri motion dec
-005
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
6.6
Precise sep
0.33
Constellation
Hercules
SAO
86381
HIP
91916
Tycho2
1595-02052-1
HD
349248
BD
BD+20 3919
Distance
934.58
Distance ly
3048.6
last precise pa
6.6
last precise sep
0.33
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18443+2052 HU 325 1994 8 354 0.4 10.17 10.85 A0 D 184418.57+205217.8
18443+2052 HU 325 2008 11 7 0.3 10.17 10.85 A0 D 184418.57+205217.8

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