17453-7832 HDS2508

 
 
17h 45m 18.82s -78 31' 54.5" P.A. 170 sep 14.7 mag 12.48,13.58 Sp Fp dist. 395.26 pc (1289.34 l.y.)
 
 
Coord 2000
17453-7832
Discov num
HDS2508
Comp
Coord arcsec 2000
17 45 18.82 -78 31 54.5
Date first
1991
Date last
2010
Obs
5
Pa first
171
Pa last
170
P.A. Now (θ)
170°
Sep first
14.6
Sep last
14.7
Sep. Now (ρ)
14.7"
Mag pri
12.48
Mag sec
13.58
delta mag (ΔM)
1.1
Spectral class
Fp (yellow-white)
Pri motion ra
+004
Sec motion ra
+008
Pri motion dec
+002
Sec motion dec
-009
Notes
Z (Parallax indicates components are physical)
rPM=0.972
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
170.1
Precise sep
14.74
Cdsa2 id
HDS 2508
Constellation
Apus
HIP
86895
Ra deg
17.755227777777776
De deg
-78.53180555555555
Distance
395.26
Distance ly
1289.34
last precise pa
170.1
last precise sep
14.74
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17453-7832 HDS2508 2000 2 171 14.6 12.71 13.50 Fp ZD 174518.82-783154.5
17453-7832 HDS2508 2010 5 170 14.6 12.48 13.58 Fp Z 174518.82-783154.5

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