17171+0434 BAL2884

 
 
17h 17m 12.54s +04 34' 23.2" P.A. 204 sep 17.7 mag 11.64,11.98
 
 
Coord 2000
17171+0434
Discov num
BAL2884
Comp
Coord arcsec 2000
17 17 12.54 +04 34 23.2
Date first
1910
Date last
2015
Obs
7
Pa first
207
Pa last
204
P.A. Now (θ)
204°
Sep first
17.9
Sep last
17.7
Sep. Now (ρ)
17.7"
Mag pri
11.64
Mag sec
11.98
delta mag (ΔM)
0.34
Spectral class
Pri motion ra
-003
Sec motion ra
+002
Pri motion dec
-009
Sec motion dec
-010
Notes
rPM=0.5
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
203.9
Precise sep
17.65
Constellation
Ophiuchus
Tycho2
0408-00459-1
last precise pa
203.9
last precise sep
17.65
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17171+0434 BAL2884 2002 4 204 17.7 11.64 12.21 D 171712.54+043423.2
17171+0434 BAL2884 2015 6 204 17.7 11.64 11.98 171712.54+043423.2

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