01515-1020 BUP  26AB (Zet Cet)

 
 
01h 51m 27.61s -10 20' 05.8" P.A. 40 sep 188.6 mag 3.85,10.15 Sp K0III dist. 72.05 pc (235.03 l.y.)
 
 
Coord 2000
01515-1020
Discov num
BUP  26
Comp
AB
Coord arcsec 2000
01 51 27.61 -10 20 05.8
Date first
1835
Date last
2011
Obs
13
Pa first
40
Pa last
40
P.A. Now (θ)
40°
Sep first
165.0
Sep last
188.6
Sep. Now (ρ)
188.6"
Mag pri
3.85
Mag sec
10.15
delta mag (ΔM)
6.3
Spectral class
K0III (yellow-orange)
Pri motion ra
+041
Sec motion ra
+040
Pri motion dec
-037
Sec motion dec
-009
Notes
N U (See Notes, Proper motion indicates non-physical)
rPM=0.507
This double is not physical.
 
 
01515-1020 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 148059 01515-1020 BNU 1 Aa,Ab 1979 1979 1 172 0.1 3.73
Show Zet Cet 148059 01515-1020 BUP 26 AB 1835 2011 13 40 188.6 3.85 10.15 6.30 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
40.1
Precise sep
188.61
Name
Zet Cet
Cdsa2 id
BUP 26 AB
Constellation
Cetus
SAO
148059
HIP
8645
Tycho2
5278-02437-1
HD
11353
HR
539
GC
2249
BD
BD-11 359
Bayer
Zeta Ceti
Bayer name
Zet Cet
Flamsteed
55 Ceti
Flamsteed name
55 Cet
Ra deg
1.8576694444444446
De deg
-10.334944444444446
Distance
72.05
Distance ly
235.03
last precise pa
40.1
last precise sep
188.61
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01515-1020 BUP 26 AB 2002 11 41 188.6 3.85 10.15 D 015127.61-102005.8
01515-1020 BUP 26 AB 2011 12 40 188.6 3.85 10.15 N D 015127.61-102005.8

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