17208-4240 I   410

 
 
17h 20m 48.77s -42 39' 30.1" P.A. 279 sep 3 mag 8.31,10.25 Sp F8V dist. 56.72 pc (185.02 l.y.)
 
 
Coord 2000
17208-4240
Discov num
I   410
Comp
Coord arcsec 2000
17 20 48.77 -42 39 30.1
Date first
1902
Date last
2009
Obs
10
Pa first
285
Pa last
279
P.A. Now (θ)
279°
Sep first
2.8
Sep last
3.0
Sep. Now (ρ)
3"
Mag pri
8.31
Mag sec
10.25
delta mag (ΔM)
1.94
Spectral class
F8V (yellow-white)
Pri motion ra
+035
Sec motion ra
+015
Pri motion dec
+010
Sec motion dec
+012
Notes
rPM=0.552
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
278.5
Precise sep
2.951
Constellation
Scorpius
SAO
227845
HIP
84879
Tycho2
7891-00041-1
HD
156661
CD
CD-4212051
CP
CP-42 7731
Distance
56.72
Distance ly
185.02
last precise pa
278.5
last precise sep
2.951
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17208-4240 I 410 1991 8 279 3.0 8.31 10.25 F8V 172048.77-423930.1
17208-4240 I 410 2009 9 279 3.0 8.31 10.25 F8V 172048.77-423930.1

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