21221-5121 LDS 739

 
 
21h 22m 08.48s -51 21' 17.9" P.A. 286 sep 44.2 mag 9.89,14.47 Sp K0 dist. 41.49 pc (135.34 l.y.)
 
 
Coord 2000
21221-5121
Discov num
LDS 739
Comp
Coord arcsec 2000
21 22 08.48 -51 21 17.9
Date first
1920
Date last
2010
Obs
7
Pa first
315
Pa last
286
P.A. Now (θ)
286°
Sep first
45.0
Sep last
44.2
Sep. Now (ρ)
44.2"
Mag pri
9.89
Mag sec
14.47
delta mag (ΔM)
4.58
Spectral class
K0 (yellow-orange)
Pri motion ra
+207
Sec motion ra
+215
Pri motion dec
-104
Sec motion dec
-107
Notes
V (Proper motion indicates physical)
rPM=0.036 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
285.7
Precise sep
44.18
Constellation
Indus
HIP
105506
Tycho2
8434-00713-1
CD
CD-5112912
CP
CP-5111651
Distance
41.49
Distance ly
135.34
last precise pa
285.7
last precise sep
44.18
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21221-5121 LDS 739 1960 2 287 44.0 10.60 16.30 K0 212208.48-512117.9
21221-5121 LDS 739 2010 5 286 44.1 9.70 14.40 K0 V 212208.48-512117.9

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