18214+1810 HDS2594 (V1017 Her)

 
 
18h 21m 26.11s +18 10' 25.7" P.A. 309 sep 0.3 mag 10.67,11.82 Sp A0 dist. 140.06 pc (456.88 l.y.)
 
 
Coord 2000
18214+1810
Discov num
HDS2594
Comp
Coord arcsec 2000
18 21 26.11 +18 10 25.7
Date first
1991
Date last
2008
Obs
2
Pa first
318
Pa last
309
P.A. Now (θ)
309°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
10.67
Mag sec
11.82
delta mag (ΔM)
1.15
Spectral class
A0 (white)
Pri motion ra
-001
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
308.6
Precise sep
0.329
Var name
V1017 Her
Constellation
Hercules
HIP
89972
Tycho2
1572-01622-1
HD
348533
BD
BD+18 3650
Distance
140.06
Distance ly
456.88
last precise pa
308.6
last precise sep
0.329
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18214+1810 HDS2594 1991 1 318 0.3 10.67 11.82 A0 D 182126.11+181025.7
18214+1810 HDS2594 2008 2 309 0.3 10.67 11.82 A0 D 182126.11+181025.7

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