15090-2144 HJ 2764

 
 
15h 09m 01.78s -21 43' 31.4" P.A. 140 sep 21.6 mag 9.09,11.37 Sp F3V dist. 95.06 pc (310.09 l.y.)
 
 
Coord 2000
15090-2144
Discov num
HJ 2764
Comp
Coord arcsec 2000
15 09 01.78 -21 43 31.4
Date first
1831
Date last
2010
Obs
11
Pa first
160
Pa last
140
P.A. Now (θ)
140°
Sep first
18.0
Sep last
21.6
Sep. Now (ρ)
21.6"
Mag pri
9.09
Mag sec
11.37
delta mag (ΔM)
2.28
Spectral class
F3V (yellow-white)
Pri motion ra
-046
Sec motion ra
-006
Pri motion dec
+006
Sec motion dec
-012
Notes
N L (See Notes, Linear solution)
rPM=0.946
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
139.7
Precise sep
21.59
Constellation
Libra
SAO
183216
HIP
74142
Tycho2
6181-01274-1
HD
134172
BD
BD-21 4040
Distance
95.06
Distance ly
310.09
last precise pa
139.7
last precise sep
21.59
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15090-2144 HJ 2764 2007 9 140 21.9 9.09 11.37 F3V NLD 150901.78-214331.4
15090-2144 HJ 2764 2010 11 140 21.6 9.09 11.37 F3V NL 150901.78-214331.4

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