19431-0818 STFA 45AB

 
 
19h 43m 03.26s -08 18' 26.2" P.A. 147 sep 97.8 mag 7.11,7.56 Sp F4V+F5V
 
 
Coord 2000
19431-0818
Discov num
STFA 45
Comp
AB
Coord arcsec 2000
19 43 03.26 -08 18 26.2
Date first
1823
Date last
2011
Obs
38
Pa first
147
Pa last
147
P.A. Now (θ)
147°
Sep first
97.1
Sep last
97.8
Sep. Now (ρ)
97.8"
Mag pri
7.11
Mag sec
7.56
delta mag (ΔM)
0.45
Spectral class
F4V+F5V (yellow-white/yellow-white)
Pri motion ra
+026
Sec motion ra
+017
Pri motion dec
-056
Sec motion dec
-057
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.147 (< 0.3, Physical double)
This double is physical.
 
 
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 2017 3 227 0.5 7.69 10.60 2.91
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
146.9
Precise sep
97.76
Cdsa2 id
STFA 45 AB
Constellation
Aquila
Ra deg
19.71757222222222
De deg
-8.307277777777779
last precise pa
146.9
last precise sep
97.76
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19431-0818 STFA 45 AB 2001 35 147 97.5 7.11 7.56 F4V F5V N D 194303.26-081826.2
19431-0818 STFA 45 AB 2011 37 147 97.8 7.11 7.56 F4V F5V NVD 194303.26-081826.2

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