15580-3029 I   978AB

 
 
15h 58m 02.27s -30 28' 36.2" P.A. 7 sep 0.8 mag 9.91,10.13 Sp G0V
 
 
Coord 2000
15580-3029
Discov num
I   978
Comp
AB
Coord arcsec 2000
15 58 02.27 -30 28 36.2
Date first
1910
Date last
1991
Obs
7
Pa first
350
Pa last
7
P.A. Now (θ)
Sep first
1.0
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
9.91
Mag sec
10.13
delta mag (ΔM)
0.22
Spectral class
G0V (yellow)
Pri motion ra
+025
Sec motion ra
+025
Pri motion dec
+001
Sec motion dec
+001
Notes
Nature of this double is uncertain.
 
 
15580-3029 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 207172 15580-3029 I 978 AB 1910 1991 7 7 0.8 9.91 10.13 0.22 <===
Show 207172 15580-3029 B 9026 AC 1928 2000 3 32 5.4 9.91 13.50 3.59
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
7.4
Precise sep
0.78
Constellation
Lupus
SAO
207172
Tycho2
7329-01319-1
HD
142869
last precise pa
7.4
last precise sep
0.78
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15580-3029 I 978 AB 1991 7 7 0.8 9.91 10.13 G0V 155802.27-302836.2

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