01220-5759 HDS 177

 
 
01h 21m 57.28s -57 58' 37.2" P.A. 300 sep 1.5 mag 9.85,12.66 Sp G8/K0V dist. 57.14 pc (186.39 l.y.)
 
 
Coord 2000
01220-5759
Discov num
HDS 177
Comp
Coord arcsec 2000
01 21 57.28 -57 58 37.2
Date first
1991
Date last
2010
Obs
3
Pa first
308
Pa last
300
P.A. Now (θ)
300°
Sep first
1.6
Sep last
1.5
Sep. Now (ρ)
1.5"
Mag pri
9.85
Mag sec
12.66
delta mag (ΔM)
2.81
Spectral class
G8/K0V (yellow)
Pri motion ra
+261
Sec motion ra
+262
Pri motion dec
+290
Sec motion dec
+289
Notes
rPM=0.004 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
299.6
Precise sep
1.541
Constellation
Tucana
HIP
6375
Tycho2
8480-00346-1
HD
8394
CD
CD-58 285
CP
CP-58 98
Distance
57.14
Distance ly
186.39
last precise pa
299.6
last precise sep
1.541
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01220-5759 HDS 177 1991 2 309 1.6 9.85 12.66 G8/K0V 012157.28-575837.2
01220-5759 HDS 177 2010 3 300 1.5 9.85 12.66 G8/K0V 012157.28-575837.2

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