20217-5000 SKF 376

 
 
20h 21m 41.04s -49 59' 57.8" P.A. 300.00 sep 21.3 mag 6.30,12.80 Sp F9V+M2.5 dist. 31.02 pc (101.19 l.y.)
 
 
Coord 2000
20217-5000
Discov num
SKF 376
Comp
Coord arcsec 2000
20 21 41.04 -49 59 57.8
Date first
1975
Date last
2015
Obs
6
Pa first
299
Pa last
300
P.A. Now (θ)
300°
Sep first
21.6
Sep last
21.3
Sep. Now (ρ)
21.3"
Mag pri
6.30
Mag sec
12.80
delta mag (ΔM)
6.5
Spectral class
F9V+M2.5 (yellow-white/red)
Pri motion ra
-359
Sec motion ra
-364
Pri motion dec
-250
Sec motion dec
-246
Notes
V (Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.015 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
300.1
Precise sep
21.259
Constellation
Telescopium
SAO
246546
HIP
100412
Tycho2
8413-01980-1
HD
193307
HR
7766
GL
Wo 9691
CD
CD-5012929
CP
CP-5011341
Distance
31.02
Distance ly
101.19
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20217-5000 SKF 376 1999 1 299 21.3 6.30 12.80 V 202141.04-495957.8
20217-5000 SKF 376 2010 3 300 21.3 6.30 12.80 V 202141.04-495957.8
20217-5000 SKF 376 2015 5 300 21.3 6.30 12.80 F9V+M2.5 V 202141.04-495957.8

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