17417+0109 A  2249

 
 
17h 41m 42.34s +01 08' 34.4" P.A. 307 sep 1.5 mag 9.48,13.20 Sp G0
 
 
Coord 2000
17417+0109
Discov num
A  2249
Comp
Coord arcsec 2000
17 41 42.34 +01 08 34.4
Date first
1910
Date last
1973
Obs
4
Pa first
310
Pa last
307
P.A. Now (θ)
307°
Sep first
1.1
Sep last
1.5
Sep. Now (ρ)
1.5"
Mag pri
9.48
Mag sec
13.20
delta mag (ΔM)
3.72
Spectral class
G0 (yellow)
Pri motion ra
-019
Sec motion ra
Pri motion dec
-005
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
307.2
Precise sep
1.47
Constellation
Ophiuchus
Tycho2
0415-02224-1
HD
160784
last precise pa
307.2
last precise sep
1.47
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17417+0109 A 2249 1973 4 307 1.5 9.48 13.20 G0 174142.34+010834.4

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