17240-1142 BU  242AC

 
 
17h 24m 02.80s -11 42' 06.9" P.A. 63 sep 9.1 mag 8.71,11.12 Sp A2 dist. 3846.15 pc (12546.14 l.y.)
 
 
Coord 2000
17240-1142
Discov num
BU  242
Comp
AC
Coord arcsec 2000
17 24 02.80 -11 42 06.9
Date first
1876
Date last
2000
Obs
15
Pa first
63
Pa last
63
P.A. Now (θ)
63°
Sep first
8.9
Sep last
9.1
Sep. Now (ρ)
9.1"
Mag pri
8.71
Mag sec
11.12
delta mag (ΔM)
2.41
Spectral class
A2 (white)
Pri motion ra
-004
Sec motion ra
-001
Pri motion dec
-008
Sec motion dec
-011
Notes
rPM=0.384
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
 
 
Precise pa
62.9
Precise sep
9.079
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
62.9
last precise sep
9.079
 
 
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 AC 1999 14 63 9.2 8.71 11.12 D 172402.80-114206.9
17240-1142 BU 242 AC 2000 15 63 9.1 8.71 11.12 D 172402.80-114206.9

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