17063+2631 A   228

 
 
17h 06m 17.84s +26 31' 04.4" P.A. 6 sep 0.5 mag 9.31,9.88 Sp G2V dist. 80.26 pc (261.81 l.y.)
 
 
Coord 2000
17063+2631
Discov num
A   228
Comp
Coord arcsec 2000
17 06 17.84 +26 31 04.4
Date first
1901
Date last
2009
Obs
30
Pa first
7
Pa last
6
P.A. Now (θ)
Sep first
0.5
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
9.31
Mag sec
9.88
delta mag (ΔM)
0.57
Spectral class
G2V (yellow)
Pri motion ra
-026
Sec motion ra
Pri motion dec
+003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
5.7
Precise sep
0.46
Constellation
Hercules
SAO
84840
HIP
83690
Tycho2
2068-00195-1
HD
154760
BD
BD+26 2952
Distance
80.26
Distance ly
261.81
last precise pa
5.7
last precise sep
0.46
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17063+2631 A 228 1995 27 186 0.3 9.88 9.31 G2V 170617.84+263104.4
17063+2631 A 228 2007 28 6 0.5 9.88 9.31 G2V 170617.84+263104.4
17063+2631 A 228 2009 29 186 0.5 9.88 9.31 G2V 170617.84+263104.4

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