15271-2044 DON 734

 
 
15h 27m 06.22s -20 44' 27.1" P.A. 99 sep 4.6 mag 8.74,12.80 Sp F7/8V dist. 70.32 pc (229.38 l.y.)
 
 
Coord 2000
15271-2044
Discov num
DON 734
Comp
Coord arcsec 2000
15 27 06.22 -20 44 27.1
Date first
1928
Date last
2010
Obs
5
Pa first
103
Pa last
99
P.A. Now (θ)
99°
Sep first
4.9
Sep last
4.6
Sep. Now (ρ)
4.6"
Mag pri
8.74
Mag sec
12.80
delta mag (ΔM)
4.06
Spectral class
F7/8V (yellow-white)
Pri motion ra
-004
Sec motion ra
Pri motion dec
-089
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
99.4
Precise sep
4.58
Constellation
Libra
SAO
183479
HIP
75623
Tycho2
6183-00566-1
HD
137497
BD
BD-20 4237
Distance
70.32
Distance ly
229.38
last precise pa
99.4
last precise sep
4.58
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15271-2044 DON 734 1999 4 102 4.9 8.40 12.80 F7/8V D 152706.22-204427.1
15271-2044 DON 734 2010 5 95 4.1 8.74 12.80 F7/8V 152706.22-204427.1

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