01339-5531 RST1221

 
 
01h 33m 55.18s -55 31' 24.8" P.A. 338 sep 2.6 mag 10.04,12.76 Sp K4V: dist. 43.65 pc (142.39 l.y.)
 
 
Coord 2000
01339-5531
Discov num
RST1221
Comp
Coord arcsec 2000
01 33 55.18 -55 31 24.8
Date first
1931
Date last
1992
Obs
6
Pa first
358
Pa last
338
P.A. Now (θ)
338°
Sep first
2.8
Sep last
2.6
Sep. Now (ρ)
2.6"
Mag pri
10.04
Mag sec
12.76
delta mag (ΔM)
2.72
Spectral class
K4V: (yellow-orange)
Pri motion ra
-046
Sec motion ra
-042
Pri motion dec
-173
Sec motion dec
-198
Notes
rPM=0.125 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
337.8
Precise sep
2.554
Cdsa2 id
RST 1221
Constellation
Eridanus
HIP
7290
Tycho2
8478-00531-1
HD
9734
CD
CD-56 319
CP
CP-56 318
Ra deg
1.5653277777777779
De deg
-55.523555555555554
Distance
43.65
Distance ly
142.39
last precise pa
337.8
last precise sep
2.554
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01339-5531 RST1221 1992 6 338 2.6 10.04 12.76 K4V: 013355.18-553124.8

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