17111+1739 BPM 677

 
 
17h 11m 07.22s +17 38' 35.4" P.A. 307 sep 67.9 mag 14.40,15.55
 
 
Coord 2000
17111+1739
Discov num
BPM 677
Comp
Coord arcsec 2000
17 11 07.22 +17 38 35.4
Date first
1994
Date last
2010
Obs
4
Pa first
307
Pa last
307
P.A. Now (θ)
307°
Sep first
67.6
Sep last
67.9
Sep. Now (ρ)
67.9"
Mag pri
14.40
Mag sec
15.55
delta mag (ΔM)
1.15
Spectral class
Pri motion ra
+010
Sec motion ra
+005
Pri motion dec
-015
Sec motion dec
-007
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.523
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
306.7
Precise sep
67.88
Constellation
Hercules
Tycho2
1539-01500-1
last precise pa
306.7
last precise sep
67.88
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17111+1739 BPM 677 2000 2 307 67.7 14.73 15.78 NV 171107.22+173835.4
17111+1739 BPM 677 2001 3 307 67.7 14.73 15.78 NV 171107.22+173835.4
17111+1739 BPM 677 2010 4 307 67.8 14.40 15.55 NV 171107.22+173835.4

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