01489-2053 ARA1256 (TW Cet)

 
 
01h 48m 54.14s -20 53' 34.6" P.A. 296 sep 8.8 mag 10.69,12.72 Sp G5+G5 dist. 83.13 pc (271.17 l.y.)
 
 
Coord 2000
01489-2053
Discov num
ARA1256
Comp
Coord arcsec 2000
01 48 54.14 -20 53 34.6
Date first
1923
Date last
2015
Obs
7
Pa first
301
Pa last
296
P.A. Now (θ)
296°
Sep first
8.3
Sep last
8.8
Sep. Now (ρ)
8.8"
Mag pri
10.69
Mag sec
12.72
delta mag (ΔM)
2.03
Spectral class
G5+G5 (yellow/yellow)
Pri motion ra
+046
Sec motion ra
+071
Pri motion dec
-017
Sec motion dec
+018
Notes
N (See Notes)
rPM=0.587
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
295.8
Precise sep
8.81
Var name
TW Cet
Constellation
Cetus
HIP
8447
Tycho2
5857-01814-1
BD
BD-21 311
CP
CP-21 167
Distance
83.13
Distance ly
271.17
last precise pa
295.8
last precise sep
8.81
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01489-2053 ARA1256 1998 4 296 8.8 10.69 12.72 D 014854.14-205334.6
01489-2053 ARA1256 1999 6 296 8.8 10.69 12.72 D 014854.14-205334.6
01489-2053 ARA1256 2015 7 296 8.8 10.69 12.72 G5+G5 N 014854.14-205334.6

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