17573-7216 B  2420

 
 
17h 57m 20.40s -72 15' 42.8" P.A. 208 sep 0.7 mag 10.95,11.34 Sp G0
 
 
Coord 2000
17573-7216
Discov num
B  2420
Comp
Coord arcsec 2000
17 57 20.40 -72 15 42.8
Date first
1930
Date last
1991
Obs
2
Pa first
208
Pa last
208
P.A. Now (θ)
208°
Sep first
0.6
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
10.95
Mag sec
11.34
delta mag (ΔM)
0.39
Spectral class
G0 (yellow)
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
-016
Sec motion dec
-016
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
208.1
Precise sep
0.7
Constellation
Apus
Tycho2
9297-00371-1
last precise pa
208.1
last precise sep
0.7
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17573-7216 B 2420 1991 2 208 0.7 10.95 11.34 G0 175720.40-721542.8

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