18032-2707 J  1592AB

 
 
18h 03m 09.83s -27 06' 51.7" P.A. 350 sep 7.8 mag 9.80,12.00 Sp A0V
 
 
Coord 2000
18032-2707
Discov num
J  1592
Comp
AB
Coord arcsec 2000
18 03 09.83 -27 06 51.7
Date first
1913
Date last
1999
Obs
7
Pa first
8
Pa last
350
P.A. Now (θ)
350°
Sep first
4.5
Sep last
7.8
Sep. Now (ρ)
7.8"
Mag pri
9.80
Mag sec
12.00
delta mag (ΔM)
2.2
Spectral class
A0V (white)
Pri motion ra
+001
Sec motion ra
-005
Pri motion dec
-021
Sec motion dec
+002
Notes
rPM=1.131
This double is not physical.
 
 
18032-2707 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18032-2707 J 1592 AB 1913 1999 7 350 7.8 9.80 12.00 2.20 <===
Show 18032-2707 J 1592 AC 1941 1999 5 12 21.0 9.80 12.00 2.20
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
350.2
Precise sep
7.825
Constellation
Sagittarius
Tycho2
6850-00998-1
HD
164638
last precise pa
350.2
last precise sep
7.825
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18032-2707 J 1592 AB 1998 4 350 7.8 9.80 12.00 D 180309.83-270651.7
18032-2707 J 1592 AB 1999 5 350 7.8 9.80 12.00 D 180309.83-270651.7

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