21084-7559 I   257

 
 
21h 08m 23.90s -75 58' 48.5" P.A. 313.00 sep 1.9 mag 8.40,8.75 Sp F8V dist. 80.19 pc (261.58 l.y.)
 
 
Coord 2000
21084-7559
Discov num
I   257
Comp
Coord arcsec 2000
21 08 23.90 -75 58 48.5
Date first
1897
Date last
2016
Obs
13
Pa first
300
Pa last
313
P.A. Now (θ)
313°
Sep first
1.2
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
8.40
Mag sec
8.75
delta mag (ΔM)
0.35
Spectral class
F8V (yellow-white)
Pri motion ra
+077
Sec motion ra
+077
Pri motion dec
-080
Sec motion dec
-080
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
312.5
Precise sep
1.86
Constellation
Octans
SAO
257885
HIP
104349
Tycho2
9461-00823-1
Gaia DR2
6368935741142193536
HD
200220
CP
CP-76 1472
Distance
80.19
Distance ly
261.58
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21084-7559 I 257 1991 11 308 1.8 8.40 8.75 F8V D 210823.90-755848.5
21084-7559 I 257 2015 12 312 1.9 8.40 8.75 F8V 210823.90-755848.5

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