01580-0204 BU    7AB (58 Cet)

 
 
01h 57m 59.39s -02 03' 34.2" P.A. 18 sep 2.8 mag 6.58,10.36 Sp A0 dist. 149.7 pc (488.32 l.y.)
 
 
Coord 2000
01580-0204
Discov num
BU    7
Comp
AB
Coord arcsec 2000
01 57 59.39 -02 03 34.2
Date first
1871
Date last
2012
Obs
20
Pa first
15
Pa last
18
P.A. Now (θ)
18°
Sep first
3.5
Sep last
2.8
Sep. Now (ρ)
2.8"
Mag pri
6.58
Mag sec
10.36
delta mag (ΔM)
3.78
Spectral class
A0 (white)
Pri motion ra
+039
Sec motion ra
+037
Pri motion dec
+005
Sec motion dec
+009
Notes
rPM=0.114 (< 0.3, Physical double)
This double is physical.
 
 
01580-0204 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 58 Cet 01580-0204 BU 7 AB 1871 2012 20 18 2.8 6.58 10.36 3.78 <===
Show 01580-0204 BU 7 AC 1891 2011 16 199 152.1 6.58 8.84 2.26
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
18
Precise sep
2.8
Name
58 Cet
Cdsa2 id
BU 7 AB
Constellation
Cetus
HIP
9165
Tycho2
4686-02532-1
HD
12020
GC
2375
BD
BD-02 330
Flamsteed
58 Ceti
Flamsteed name
58 Cet
Ra deg
1.9664972222222221
De deg
-2.0595
Distance
149.7
Distance ly
488.32
last precise pa
18
last precise sep
2.8
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01580-0204 BU 7 AB 1991 18 16 3.1 6.58 10.36 A0 015759.39-020334.2
01580-0204 BU 7 AB 2012 20 18 2.8 6.58 10.36 A0 015759.39-020334.2

If you need more information about this double, apply for a data request form to the WDS.