17142+1919 STF2139

 
 
17h 14m 09.65s +19 18' 43.1" P.A. 335 sep 8.5 mag 9.60,11.70 Sp K0 dist. 198.02 pc (645.94 l.y.)
 
 
Coord 2000
17142+1919
Discov num
STF2139
Comp
Coord arcsec 2000
17 14 09.65 +19 18 43.1
Date first
1991
Date last
2012
Obs
4
Pa first
335
Pa last
335
P.A. Now (θ)
335°
Sep first
8.9
Sep last
8.5
Sep. Now (ρ)
8.5"
Mag pri
9.60
Mag sec
11.70
delta mag (ΔM)
2.1
Spectral class
K0 (yellow-orange)
Pri motion ra
-013
Sec motion ra
-002
Pri motion dec
-003
Sec motion dec
-017
Notes
rPM=1.04
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
335.4
Precise sep
8.52
Constellation
Hercules
SAO
102673
HIP
84306
Tycho2
1544-00503-1
BD
BD+19 3258
Distance
198.02
Distance ly
645.94
last precise pa
335.4
last precise sep
8.52
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17142+1919 STF2139 1999 2 336 8.8 9.60 11.70 K0 N D 171409.65+191843.1
17142+1919 STF2139 2001 3 335 8.7 9.60 11.70 K0 D 171409.65+191843.1
17142+1919 STF2139 2012 4 335 8.5 9.60 11.70 K0 D 171409.65+191843.1

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