21508-2756 HJ 3059

 
 
21h 50m 46.28s -27 55' 56.5" P.A. 252.00 sep 25.4 mag 7.51,10.64 Sp B8.5V dist. 268.1 pc (874.54 l.y.)
 
 
Coord 2000
21508-2756
Discov num
HJ 3059
Comp
Coord arcsec 2000
21 50 46.28 -27 55 56.5
Date first
1830
Date last
2013
Obs
14
Pa first
258
Pa last
252
P.A. Now (θ)
252°
Sep first
15.0
Sep last
25.4
Sep. Now (ρ)
25.4"
Mag pri
7.51
Mag sec
10.64
delta mag (ΔM)
3.13
Spectral class
B8.5V (blue-white)
Pri motion ra
+013
Sec motion ra
+013
Pri motion dec
+005
Sec motion dec
+001
Notes
rPM=0.287 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
252
Precise sep
25.37
Constellation
Piscis Austrinus
SAO
190677
HIP
107834
Tycho2
6959-00536-1
Gaia DR2
45985758592
HD
207603
CD
CD-2817477
CP
CP-28 7517
Distance
268.1
Distance ly
874.54
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21508-2756 HJ 3059 1998 11 253 25.4 7.51 10.64 B8.5V D 215046.28-275556.5
21508-2756 HJ 3059 1999 12 252 25.6 7.51 10.64 B8.5V D 215046.28-275556.5
21508-2756 HJ 3059 2013 13 252 25.4 7.51 10.64 B8.5V D 215046.28-275556.5

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