17320+0047 BAL1187

 
 
17h 31m 59.62s +00 47' 25.2" P.A. 272 sep 3.6 mag 9.80,11.20 Sp F5
 
 
Coord 2000
17320+0047
Discov num
BAL1187
Comp
Coord arcsec 2000
17 31 59.62 +00 47 25.2
Date first
1908
Date last
2013
Obs
8
Pa first
271
Pa last
272
P.A. Now (θ)
272°
Sep first
3.9
Sep last
3.6
Sep. Now (ρ)
3.6"
Mag pri
9.80
Mag sec
11.20
delta mag (ΔM)
1.4
Spectral class
F5 (yellow-white)
Pri motion ra
+010
Sec motion ra
-047
Pri motion dec
-006
Sec motion dec
-002
Notes
rPM=1.215
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
272.4
Precise sep
3.56
Constellation
Ophiuchus
SAO
122478
Tycho2
0414-01805-1
last precise pa
272.4
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
17320+0047 BAL1187 2002 6 273 3.7 9.80 11.20 F5 D 173159.62+004725.2
17320+0047 BAL1187 2013 8 272 3.6 9.80 11.20 F5 173159.62+004725.2

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