00493-2124 BU  301AB

 
 
00h 49m 18.31s -21 23' 50.6" P.A. 331 sep 0.8 mag 8.89,12.53 Sp F3IV/V dist. 125 pc (407.75 l.y.)
 
 
Coord 2000
00493-2124
Discov num
BU  301
Comp
AB
Coord arcsec 2000
00 49 18.31 -21 23 50.6
Date first
1891
Date last
2001
Obs
7
Pa first
319
Pa last
331
P.A. Now (θ)
331°
Sep first
0.9
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
8.89
Mag sec
12.53
delta mag (ΔM)
3.64
Spectral class
F3IV/V (yellow-white)
Pri motion ra
+038
Sec motion ra
+027
Pri motion dec
+009
Sec motion dec
+006
Notes
Nature of this double is uncertain.
 
 
00493-2124 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 166603 00493-2124 BU 301 AB 1891 2001 7 331 0.8 8.89 12.53 3.64 <===
Show 166603 00493-2124 BU 301 AC 1874 2000 18 298 10.9 8.89 9.98 1.09
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cetus
SAO
166603
HIP
3845
Tycho2
5850-02582-1
HD
4731
BD
BD-22 138
Distance
125
Distance ly
407.75
last precise pa
330.5
last precise sep
0.81
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00493-2124 BU 301 AB 1991 6 333 0.9 8.89 12.53 F3IV/V 004918.31-212350.6

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