02257-2119 HJ 3500

 
 
02h 25m 44.68s -21 18' 32.9" P.A. 165 sep 15 mag 9.24,9.37 Sp F8III+F3V dist. 79.05 pc (257.86 l.y.)
 
 
Coord 2000
02257-2119
Discov num
HJ 3500
Comp
Coord arcsec 2000
02 25 44.68 -21 18 32.9
Date first
1835
Date last
2017
Obs
20
Pa first
162
Pa last
165
P.A. Now (θ)
165°
Sep first
15.0
Sep last
15.0
Sep. Now (ρ)
15"
Mag pri
9.24
Mag sec
9.37
delta mag (ΔM)
0.13
Spectral class
F8III+F3V (yellow-white/yellow-white)
Pri motion ra
+037
Sec motion ra
+037
Pri motion dec
+037
Sec motion dec
+034
Notes
N Z (See Notes, Parallax indicates components are physical)
rPM=0.057 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
165.2
Precise sep
15
Constellation
Cetus
HIP
11323
Tycho2
5862-01078-1
HD
15146
Distance
79.05
Distance ly
257.86
last precise pa
165.2
last precise sep
15
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02257-2119 HJ 3500 1998 17 165 15.4 9.24 9.37 F5 ZD 022544.68-211832.9
02257-2119 HJ 3500 1999 19 165 15.3 9.24 9.37 F5 NZD 022544.68-211832.9
02257-2119 HJ 3500 2010 19 165 15.2 9.24 9.37 F8III+F3V NZ 022544.68-211832.9
02257-2119 HJ 3500 2017 20 165 15.0 9.24 9.37 F8III+F3V NZ 022544.68-211832.9

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