17168+0259 A  2239

 
 
17h 16m 45.29s +02 59' 08.9" P.A. 290 sep 3.3 mag 9.50,13.30 Sp G5 dist. 132.28 pc (431.5 l.y.)
 
 
Coord 2000
17168+0259
Discov num
A  2239
Comp
Coord arcsec 2000
17 16 45.29 +02 59 08.9
Date first
1910
Date last
1987
Obs
4
Pa first
287
Pa last
290
P.A. Now (θ)
290°
Sep first
2.9
Sep last
3.3
Sep. Now (ρ)
3.3"
Mag pri
9.50
Mag sec
13.30
delta mag (ΔM)
3.8
Spectral class
G5 (yellow)
Pri motion ra
+018
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
290
Precise sep
3.33
Constellation
Ophiuchus
HIP
84527
Tycho2
0404-01071-1
HD
156298
BD
BD+03 3376
Distance
132.28
Distance ly
431.5
last precise pa
290
last precise sep
3.33
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17168+0259 A 2239 1987 4 290 3.3 8.70 13.30 G5 171645.29+025908.9

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