17191+3210 CRB 121

 
 
17h 19m 03.86s +32 10' 24.1" P.A. 285 sep 14.8 mag 10.75,13.66
 
 
Coord 2000
17191+3210
Discov num
CRB 121
Comp
Coord arcsec 2000
17 19 03.86 +32 10 24.1
Date first
1998
Date last
2015
Obs
4
Pa first
285
Pa last
285
P.A. Now (θ)
285°
Sep first
14.8
Sep last
14.8
Sep. Now (ρ)
14.8"
Mag pri
10.75
Mag sec
13.66
delta mag (ΔM)
2.91
Spectral class
Pri motion ra
-015
Sec motion ra
-024
Pri motion dec
-050
Sec motion dec
-051
Notes
V (Proper motion indicates physical)
rPM=0.161 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
284.9
Precise sep
14.821
Constellation
Hercules
Tycho2
2596-00416-1
last precise pa
284.9
last precise sep
14.821
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17191+3210 CRB 121 1998 1 105 14.8 10.80 13.40 V 171903.86+321024.2
17191+3210 CRB 121 2002 2 285 14.9 10.75 13.66 V 171903.86+321024.1
17191+3210 CRB 121 2010 3 285 14.7 10.75 13.66 V 171903.86+321024.1
17191+3210 CRB 121 2015 4 285 14.8 10.75 13.66 V 171903.86+321024.1

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