17121+3946 WIS 312

 
 
17h 12m 04.83s +39 45' 58.7" P.A. 275 sep 80.6 mag 13.63,16.00
 
 
Coord 2000
17121+3946
Discov num
WIS 312
Comp
Coord arcsec 2000
17 12 04.83 +39 45 58.7
Date first
1998
Date last
2010
Obs
3
Pa first
275
Pa last
275
P.A. Now (θ)
275°
Sep first
80.7
Sep last
80.6
Sep. Now (ρ)
80.6"
Mag pri
13.63
Mag sec
16.00
delta mag (ΔM)
2.37
Spectral class
Pri motion ra
-047
Sec motion ra
-050
Pri motion dec
-146
Sec motion dec
-145
Notes
V (Proper motion indicates physical)
rPM=0.021 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
275.2
Precise sep
80.611
Constellation
Hercules
last precise pa
275.2
last precise sep
80.611
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17121+3946 WIS 312 2010 2 275 80.6 13.63 16.00 V 171204.83+394558.7

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