17240-1142 BU  242AD

 
 
17h 24m 02.80s -11 42' 06.9" P.A. 62 sep 48.5 mag 8.71,10.53 Sp A2 dist. 3846.15 pc (12546.14 l.y.)
 
 
Coord 2000
17240-1142
Discov num
BU  242
Comp
AD
Coord arcsec 2000
17 24 02.80 -11 42 06.9
Date first
1876
Date last
2016
Obs
16
Pa first
64
Pa last
62
P.A. Now (θ)
62°
Sep first
47.5
Sep last
48.5
Sep. Now (ρ)
48.5"
Mag pri
8.71
Mag sec
10.53
delta mag (ΔM)
1.82
Spectral class
A2 (white)
Pri motion ra
-004
Sec motion ra
+001
Pri motion dec
-008
Sec motion dec
+005
Notes
rPM=1.557
This double is not physical.
 
 
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
 
 
Precise pa
61.6
Precise sep
48.511
Constellation
Serpens
SAO
160518
HIP
85151
Tycho2
5666-00757-1
HD
157499
BD
BD-11 4367
Distance
3846.15
Distance ly
12546.14
last precise pa
61.6
last precise sep
48.511
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17240-1142 BU 242 AD 2005 13 62 47.4 8.71 10.53 172402.80-114206.9
17240-1142 BU 242 AD 2016 16 62 48.5 8.71 10.53 A2 172402.80-114206.9

If you need more information about this double, apply for a data request form to the WDS.