17572-5523 RMK  22

 
 
17h 57m 13.37s -55 22' 52.7" P.A. 97 sep 2.4 mag 7.02,7.93 Sp K0III+A2 dist. 208.77 pc (681.01 l.y.)
 
 
Coord 2000
17572-5523
Discov num
RMK  22
Comp
Coord arcsec 2000
17 57 13.37 -55 22 52.7
Date first
1880
Date last
2016
Obs
33
Pa first
83
Pa last
97
P.A. Now (θ)
97°
Sep first
2.7
Sep last
2.4
Sep. Now (ρ)
2.4"
Mag pri
7.02
Mag sec
7.93
delta mag (ΔM)
0.91
Spectral class
K0III+A2 (yellow-orange/white)
Pri motion ra
-010
Sec motion ra
-010
Pri motion dec
-033
Sec motion dec
-033
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
96.7
Precise sep
2.38
Constellation
Ara
SAO
245131
HIP
87892
Tycho2
8746-02482-1
HD
163028
CP
CP-55 8375
Distance
208.77
Distance ly
681.01
last precise pa
96.7
last precise sep
2.38
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17572-5523 RMK 22 1991 29 95 2.4 7.02 7.93 K0III+A2 D 175713.37-552252.7
17572-5523 RMK 22 2010 31 96 2.5 7.02 7.93 K0III+A2 D 175713.37-552252.7
17572-5523 RMK 22 2016 33 97 2.4 7.02 7.93 K0III+A2 175713.37-552252.7

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