17562+3926 BU  417

 
 
17h 56m 12.06s +39 26' 20.8" P.A. 319 sep 0.9 mag 8.28,10.08 Sp G0 dist. 93.55 pc (305.16 l.y.)
 
 
Coord 2000
17562+3926
Discov num
BU  417
Comp
Coord arcsec 2000
17 56 12.06 +39 26 20.8
Date first
1877
Date last
2015
Obs
35
Pa first
270
Pa last
319
P.A. Now (θ)
319°
Sep first
1.6
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
8.28
Mag sec
10.08
delta mag (ΔM)
1.8
Spectral class
G0 (yellow)
Pri motion ra
+086
Sec motion ra
+086
Pri motion dec
-047
Sec motion dec
-047
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
319.3
Precise sep
0.89
Constellation
Hercules
SAO
66487
HIP
87802
Tycho2
3093-01857-1
HD
163789
BD
BD+39 3274
Distance
93.55
Distance ly
305.16
last precise pa
319.3
last precise sep
0.89
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17562+3926 BU 417 1996 32 308 1.1 8.28 10.08 G0 D 175612.06+392620.8
17562+3926 BU 417 2013 34 315 0.9 8.28 10.08 G0 175612.06+392620.8
17562+3926 BU 417 2015 35 319 0.9 8.28 10.08 G0 175612.06+392620.8

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