17221+0500 BU  959

 
 
17h 22m 04.13s +05 00' 02.9" P.A. 258 sep 3.6 mag 6.70,11.60 Sp G9III-IV dist. 77.46 pc (252.67 l.y.)
 
 
Coord 2000
17221+0500
Discov num
BU  959
Comp
Coord arcsec 2000
17 22 04.13 +05 00 02.9
Date first
1879
Date last
2001
Obs
15
Pa first
255
Pa last
258
P.A. Now (θ)
258°
Sep first
3.8
Sep last
3.6
Sep. Now (ρ)
3.6"
Mag pri
6.70
Mag sec
11.60
delta mag (ΔM)
4.9
Spectral class
G9III-IV (yellow)
Pri motion ra
+025
Sec motion ra
Pri motion dec
-071
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
257.7
Precise sep
3.56
Constellation
Ophiuchus
HIP
84975
Tycho2
0408-00672-1
HD
157261
BD
BD+05 3378
Distance
77.46
Distance ly
252.67
last precise pa
257.7
last precise sep
3.56
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17221+0500 BU 959 2001 15 258 3.6 6.70 11.60 G9III-IV 172204.12+050003.5

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