17190-7331 TOB 341

 
 
17h 18m 59.19s -73 31' 14.0" P.A. 228 sep 30.2 mag 8.38,11.79 Sp K2II
 
 
Coord 2000
17190-7331
Discov num
TOB 341
Comp
Coord arcsec 2000
17 18 59.19 -73 31 14.0
Date first
1892
Date last
2010
Obs
7
Pa first
231
Pa last
228
P.A. Now (θ)
228°
Sep first
29.8
Sep last
30.2
Sep. Now (ρ)
30.2"
Mag pri
8.38
Mag sec
11.79
delta mag (ΔM)
3.41
Spectral class
K2II (yellow-orange)
Pri motion ra
-005
Sec motion ra
-006
Pri motion dec
-018
Sec motion dec
-022
Notes
rPM=0.181 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
228.3
Precise sep
30.15
Constellation
Apus
SAO
257482
Tycho2
9288-00056-1
HD
155453
last precise pa
228.3
last precise sep
30.15
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17190-7331 TOB 341 2000 4 229 30.0 8.20 12.30 D 171859.43-733116.3
17190-7331 TOB 341 2001 6 229 30.0 8.20 12.30 D 171859.43-733116.3
17190-7331 TOB 341 2010 7 229 30.2 8.38 11.79 K2II 171859.19-733114.0

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