19031-4543 R   317AB

 
 
19H 03M 05.28S -45 42' 42.1" P.A. 287 SEP 1.7 MAG 7.95,8.83 SP B9III:
 
 
Coord 2000
19031-4543
Discov num
R   317
Comp
AB
Coord arcsec 2000
19 03 05.28 -45 42 42.1
Date first
1881
Date last
2016
Obs
14
Pa first
287
Pa last
287
P.A. Now (θ)
287°
Sep first
1.0
Sep last
1.7
Sep. Now (ρ)
1.7"
Mag pri
7.95
Mag sec
8.83
delta mag (ΔM)
0.88
Spectral class
B9III: (blue-white)
Pri motion ra
+001
Sec motion ra
+001
Pri motion dec
-015
Sec motion dec
-015
Notes
Nature of this double is uncertain.
 
 
19031-4543 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19031-4543 R 317 AB 1881 2016 14 287 1.7 7.95 8.83 0.88 <===
Show 19031-4543 HJ 5078 AC 1834 2016 17 212 18.6 7.95 8.83 0.88
Show 19031-4543 B 2873 CD 1935 1999 2 268 6.2 8.83 12.90 4.07
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Telescopium
Tycho2
8374-02986-1
last precise pa
286.7
last precise sep
1.72