17383-4513 HDS2491

17h 38m 17.72s -45 12' 49.8" P.A. 247 sep 0.5 mag 10.05,12.50 Sp G3V dist. 156.74 pc (511.29 l.y.)

Coord 2000
17383-4513
Discov num
HDS2491
Comp
Coord arcsec 2000
17 38 17.72 -45 12 49.8
Date first
1991
Date last
1991
Obs
1
Pa first
247
Pa last
247
P.A. Now (θ)
247°
Sep first
0.5
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
10.05
Mag sec
12.50
delta mag (ΔM)
2.45
Spectral class
G3V (yellow)
Pri motion ra
-026
Sec motion ra
Pri motion dec
-019
Sec motion dec
Notes


Nature of this double is uncertain.



OTHER CATALOGS AND DESIGNATIONS

Precise pa
247
Precise sep
0.529
Constellation
Scorpius
HIP
86324
Tycho2
8343-00280-1
HD
159688
CD
CD-4511731
CP
CP-45 8734
Distance
156.74
Distance ly
511.29
last precise pa
247
last precise sep
0.529




WDS HISTORIC DATA

coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17383-4513 HDS2491 1991 1 247 0.5 10.05 12.50 G3V 173817.72-451249.8

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