17564-7219 B  2049

 
 
17h 56m 21.19s -72 18' 43.6" P.A. 12 sep 0.8 mag 8.51,10.60 Sp F2IV dist. 142.05 pc (463.37 l.y.)
 
 
Coord 2000
17564-7219
Discov num
B  2049
Comp
Coord arcsec 2000
17 56 21.19 -72 18 43.6
Date first
1932
Date last
1991
Obs
3
Pa first
35
Pa last
12
P.A. Now (θ)
12°
Sep first
0.8
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
8.51
Mag sec
10.60
delta mag (ΔM)
2.09
Spectral class
F2IV (yellow-white)
Pri motion ra
-055
Sec motion ra
-055
Pri motion dec
-054
Sec motion dec
-054
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
12.4
Precise sep
0.84
Constellation
Apus
SAO
257541
HIP
87817
Tycho2
9297-00956-1
HD
162128
CP
CP-72 2125
Distance
142.05
Distance ly
463.37
last precise pa
12.4
last precise sep
0.84
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17564-7219 B 2049 1991 3 12 0.8 8.51 10.60 F2IV D 175621.19-721843.6

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