15021-2017 HLD  22AC

 
 
15h 02m 08.94s -20 16' 38.8" P.A. 313 sep 49.6 mag 9.19,12.96 Sp F7V
 
 
Coord 2000
15021-2017
Discov num
HLD  22
Comp
AC
Coord arcsec 2000
15 02 08.94 -20 16 38.8
Date first
1909
Date last
1999
Obs
4
Pa first
312
Pa last
313
P.A. Now (θ)
313°
Sep first
49.0
Sep last
49.6
Sep. Now (ρ)
49.6"
Mag pri
9.19
Mag sec
12.96
delta mag (ΔM)
3.77
Spectral class
F7V (yellow-white)
Pri motion ra
-008
Sec motion ra
-006
Pri motion dec
-036
Sec motion dec
+002
Notes
rPM=1.032
This double is not physical.
 
 
15021-2017 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 15021-2017 HLD 22 AB 1881 2000 15 6 2.0 9.19 10.21 1.02
Show 15021-2017 HLD 22 AC 1909 1999 4 313 49.6 9.19 12.96 3.77 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
313.3
Precise sep
49.592
Constellation
Libra
Tycho2
6176-00762-1
HD
132896
last precise pa
313.3
last precise sep
49.592
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15021-2017 HLD 22 AC 1998 3 313 49.5 9.19 12.60 F7V D 150208.94-201638.8
15021-2017 HLD 22 AC 1999 4 313 49.5 9.19 12.60 F7V D 150208.94-201638.8

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