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
Cdsa2 id
ARA 1256
Constellation
Cetus
HIP
8447
Tycho2
5857-01814-1
BD
BD-21 311
CP
CP-21 167
Ra deg
1.8150388888888889
De deg
-20.892944444444446
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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