17240-1142 BU  242AB

 
 
17H 24M 02.80S -11 42' 06.9" P.A. 79 SEP 1.2 MAG 8.69,9.48 SP A2 DIST. 3846.15 PC (12546.14 L.Y.)
 
 
Coord 2000
17240-1142
Discov num
BU  242
Comp
AB
Coord arcsec 2000
17 24 02.80 -11 42 06.9
Date first
1875
Date last
2016
Obs
27
Pa first
69
Pa last
79
P.A. Now (θ)
79°
Sep first
1.0
Sep last
1.2
Sep. Now (ρ)
1.2"
Mag pri
8.69
Mag sec
9.48
delta mag (ΔM)
0.79
Spectral class
A2 (white)
Pri motion ra
+000
Sec motion ra
+000
Pri motion dec
-007
Sec motion dec
-007
Notes
Nature of this double is uncertain.
 
 
17240-1142 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 160518 17240-1142 BU 242 AB 1875 2016 27 79 1.2 8.69 9.48 0.79 <===
Show 160518 17240-1142 BU 242 AC 1876 2000 15 63 9.1 8.71 11.12 2.41
Show 160518 17240-1142 BU 242 AD 1876 2016 16 62 48.5 8.71 10.53 1.82
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Serpens
SAO
160518
HIP
85151
Tycho2
5666-00050-1
HD
157499
BD
BD-11 4367
Distance
3846.15
Distance ly
12546.14
last precise pa
78.8
last precise sep
1.156