01137-2001 RST2258

 
 
01h 13m 39.91s -20 00' 47.3" P.A. 233 sep 1.4 mag 8.90,12.50 Sp G5 dist. 210.97 pc (688.18 l.y.)
 
 
Coord 2000
01137-2001
Discov num
RST2258
Comp
Coord arcsec 2000
01 13 39.91 -20 00 47.3
Date first
1935
Date last
2001
Obs
4
Pa first
232
Pa last
233
P.A. Now (θ)
233°
Sep first
0.8
Sep last
1.4
Sep. Now (ρ)
1.4"
Mag pri
8.90
Mag sec
12.50
delta mag (ΔM)
3.6
Spectral class
G5 (yellow)
Pri motion ra
+028
Sec motion ra
Pri motion dec
+004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
232.8
Precise sep
1.41
Constellation
Cetus
SAO
166883
HIP
5727
Tycho2
5853-01768-1
HD
7380
BD
BD-20 220
Distance
210.97
Distance ly
688.18
last precise pa
232.8
last precise sep
1.41
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01137-2001 RST2258 1950 3 240 0.8 8.90 12.50 G5 011339.91-200047.3
01137-2001 RST2258 2001 4 233 1.4 8.90 12.50 G5 011339.91-200047.3

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