17209-1042 RST3971

 
 
17h 20m 52.60s -10 41' 46.9" P.A. 80 sep 8.6 mag 6.46,14.20 Sp F1III dist. 47.78 pc (155.86 l.y.)
 
 
Coord 2000
17209-1042
Discov num
RST3971
Comp
Coord arcsec 2000
17 20 52.60 -10 41 46.9
Date first
1937
Date last
1999
Obs
4
Pa first
82
Pa last
80
P.A. Now (θ)
80°
Sep first
8.5
Sep last
8.6
Sep. Now (ρ)
8.6"
Mag pri
6.46
Mag sec
14.20
delta mag (ΔM)
7.74
Spectral class
F1III (yellow-white)
Pri motion ra
+058
Sec motion ra
Pri motion dec
-022
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
79.7
Precise sep
8.61
Constellation
Serpens
SAO
160482
HIP
84883
Tycho2
5649-00908-1
HD
156971
HR
6449
BD
BD-10 4477
Distance
47.78
Distance ly
155.86
last precise pa
79.7
last precise sep
8.61
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17209-1042 RST3971 1999 4 80 8.6 6.46 14.20 F1III D 172052.60-104146.9

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