16105+1733 TOB 257

 
 
16h 10m 28.04s +17 32' 54.2" P.A. 86 sep 19.4 mag 9.50,12.90 Sp G5
 
 
Coord 2000
16105+1733
Discov num
TOB 257
Comp
Coord arcsec 2000
16 10 28.04 +17 32 54.2
Date first
1982
Date last
2010
Obs
4
Pa first
89
Pa last
86
P.A. Now (θ)
86°
Sep first
19.3
Sep last
19.4
Sep. Now (ρ)
19.4"
Mag pri
9.50
Mag sec
12.90
delta mag (ΔM)
3.4
Spectral class
G5 (yellow)
Pri motion ra
+051
Sec motion ra
+010
Pri motion dec
-016
Sec motion dec
+012
Notes
rPM=0.929
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
86.2
Precise sep
19.44
Constellation
Hercules
SAO
101984
Tycho2
1508-00734-1
last precise pa
86.2
last precise sep
19.44
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16105+1733 TOB 257 1998 2 88 20.0 9.50 12.90 D 161028.04+173254.2
16105+1733 TOB 257 2001 3 87 19.8 9.50 12.90 D 161028.04+173254.2
16105+1733 TOB 257 2010 4 87 19.3 9.50 12.90 G5 161028.04+173254.2

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