13320-1844 B  2542AB (73 Vir)

 
 
13h 32m 02.80s -18 43' 43.9" P.A. 179 sep 0.1 mag 6.70,6.80 Sp F0IV-V dist. 76.57 pc (249.77 l.y.)
 
 
Coord 2000
13320-1844
Discov num
B  2542
Comp
AB
Coord arcsec 2000
13 32 02.80 -18 43 43.9
Date first
1940
Date last
2006
Obs
5
Pa first
199
Pa last
179
P.A. Now (θ)
179°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
6.70
Mag sec
6.80
delta mag (ΔM)
0.1
Spectral class
F0IV-V (yellow-white)
Pri motion ra
-097
Sec motion ra
Pri motion dec
-017
Sec motion dec
Notes
N W (See Notes, )
Nature of this double is uncertain.
 
 
13320-1844 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 73 Vir 157987 13320-1844 B 2542 AB 1940 2006 5 179 0.1 6.70 6.80 0.10 <===
Show 157987 13320-1844 GWP2039 AC 1993 1999 3 295 221.4 5.80 13.20 7.40
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
178.5
Precise sep
0.127
Name
73 Vir
Var name
HX Vir
Cdsa2 id
B 2542 AB
Constellation
Virgo
SAO
157987
HIP
66015
Tycho2
6125-00605-1
HD
117661
HR
5094
GC
18287
BD
BD-17 3877
Flamsteed
73 Virginis
Flamsteed name
73 Vir
Ra deg
13.53411111111111
De deg
-18.728861111111108
Distance
76.57
Distance ly
249.77
last precise pa
178.5
last precise sep
0.127
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13320-1844 B 2542 AB 2006 5 179 0.1 6.70 6.80 F0IV-V N 133202.87-184343.8

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