17123-5523 HDS2430

 
 
17h 12m 19.94s -55 23' 21.8" P.A. 121 sep 13.6 mag 9.12,12.35 Sp F2V dist. 184.84 pc (602.95 l.y.)
 
 
Coord 2000
17123-5523
Discov num
HDS2430
Comp
Coord arcsec 2000
17 12 19.94 -55 23 21.8
Date first
1923
Date last
2001
Obs
6
Pa first
129
Pa last
121
P.A. Now (θ)
121°
Sep first
14.6
Sep last
13.6
Sep. Now (ρ)
13.6"
Mag pri
9.12
Mag sec
12.35
delta mag (ΔM)
3.23
Spectral class
F2V (yellow-white)
Pri motion ra
-003
Sec motion ra
-002
Pri motion dec
-034
Sec motion dec
-033
Notes
W
rPM=0.041 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
120.6
Precise sep
13.558
Cdsa2 id
HDS 2430
Constellation
Ara
SAO
244510
HIP
84157
Tycho2
8731-00254-1
HD
155054
CP
CP-55 7939
Ra deg
17.20553888888889
De deg
-55.38938888888889
Distance
184.84
Distance ly
602.95
last precise pa
120.6
last precise sep
13.558
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17123-5523 HDS2430 1999 4 120 13.4 9.12 12.35 F2V D 171219.94-552321.8
17123-5523 HDS2430 2001 6 121 13.6 9.12 12.35 F2V D 171219.94-552321.8

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