01421-1808 SMW   1

 
 
01h 42m 07.84s -18 07' 34.8" P.A. 354 sep 0.4 mag 9.39,10.38 Sp F5V dist. 234.74 pc (765.72 l.y.)
 
 
Coord 2000
01421-1808
Discov num
SMW   1
Comp
Coord arcsec 2000
01 42 07.84 -18 07 34.8
Date first
1937
Date last
2017
Obs
14
Pa first
83
Pa last
354
P.A. Now (θ)
354°
Sep first
0.2
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
9.39
Mag sec
10.38
delta mag (ΔM)
0.99
Spectral class
F5V (yellow-white)
Pri motion ra
+066
Sec motion ra
Pri motion dec
+015
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
354.1
Precise sep
0.386
Constellation
Cetus
SAO
147967
HIP
7952
Tycho2
5855-01900-1
HD
10520
BD
BD-18 286
Distance
234.74
Distance ly
765.72
last precise pa
354.1
last precise sep
0.386
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01421-1808 SMW 1 1991 13 11 0.3 9.39 10.38 F5V D 014207.84-180734.8
01421-1808 SMW 1 2017 14 354 0.4 9.39 10.38 F5V 014207.84-180734.8

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