17581-5554 RST 955

 
 
17h 58m 02.89s -55 53' 31.6" P.A. 106 sep 5.2 mag 9.75,10.90 Sp G8/K0III
 
 
Coord 2000
17581-5554
Discov num
RST 955
Comp
Coord arcsec 2000
17 58 02.89 -55 53 31.6
Date first
1892
Date last
1999
Obs
6
Pa first
108
Pa last
106
P.A. Now (θ)
106°
Sep first
6.4
Sep last
5.2
Sep. Now (ρ)
5.2"
Mag pri
9.75
Mag sec
10.90
delta mag (ΔM)
1.15
Spectral class
G8/K0III (yellow)
Pri motion ra
-021
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
106.1
Precise sep
5.21
Constellation
Ara
SAO
245138
Tycho2
8746-02783-1
HD
163169
last precise pa
106.1
last precise sep
5.21
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17581-5554 RST 955 1999 5 106 5.2 9.75 10.90 G8/K0III D 175802.89-555331.6

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