17183+0931 STT 326

 
 
17h 18m 15.81s +09 31' 03.9" P.A. 224 sep 18.1 mag 8.00,12.10 Sp A2 dist. 126.74 pc (413.43 l.y.)
 
 
Coord 2000
17183+0931
Discov num
STT 326
Comp
Coord arcsec 2000
17 18 15.81 +09 31 03.9
Date first
1865
Date last
2015
Obs
19
Pa first
204
Pa last
224
P.A. Now (θ)
224°
Sep first
15.4
Sep last
18.1
Sep. Now (ρ)
18.1"
Mag pri
8.00
Mag sec
12.10
delta mag (ΔM)
4.1
Spectral class
A2 (white)
Pri motion ra
+027
Sec motion ra
-015
Pri motion dec
-020
Sec motion dec
-021
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
HIP
84644
Tycho2
0982-00500-1
HD
156615
BD
BD+09 3361
Distance
126.74
Distance ly
413.43
last precise pa
223.8
last precise sep
18.106
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17183+0931 STT 326 2004 15 223 17.9 8.10 12.40 A2 D 171815.81+093103.9
17183+0931 STT 326 2015 18 224 18.1 8.00 12.10 A2 171815.81+093103.9

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