19431-0818 HDS2799Ba,Bb

 
 
19h 43m 06.92s -08 19' 46.2" P.A. 224 sep 0.4 mag 7.69,10.60 Sp F8 dist. 69.4 pc (226.38 l.y.)
 
 
Coord 2000
19431-0818
Discov num
HDS2799
Comp
Ba,Bb
Coord arcsec 2000
19 43 06.92 -08 19 46.2
Date first
1991
Date last
2015
Obs
2
Pa first
295
Pa last
224
P.A. Now (θ)
224°
Sep first
0.3
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
7.69
Mag sec
10.60
delta mag (ΔM)
2.91
Spectral class
F8 (yellow-white)
Pri motion ra
+017
Sec motion ra
Pri motion dec
-057
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
19431-0818 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19431-0818 STFA 45 AB 1823 2011 38 147 97.8 7.11 7.56 0.45
Show 19431-0818 HDS2799 Ba,Bb 1991 2015 2 224 0.4 7.69 10.60 2.91 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
224.1
Precise sep
0.446
Constellation
Aquila
HIP
97022
Tycho2
5724-00688-1
HD
186159
BD
BD-08 5079
Distance
69.4
Distance ly
226.38
last precise pa
224.1
last precise sep
0.446
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19431-0818 HDS2799 Ba,Bb 1991 1 295 0.3 7.69 10.60 F8 D 194306.92-081946.2
19431-0818 HDS2799 Ba,Bb 2015 2 224 0.4 7.69 10.60 F8 N 194306.92-081946.2

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