19389-1020 STF2547AB

 
 
19h 38m 56.50s -10 20' 20.6" P.A. 330.00 sep 20.8 mag 8.12,9.53 Sp A0.5V+F2V dist. 154.32 pc (503.39 l.y.)
 
 
Coord 2000
19389-1020
Discov num
STF2547
Comp
AB
Coord arcsec 2000
19 38 56.50 -10 20 20.6
Date first
1830
Date last
2015
Obs
39
Pa first
332
Pa last
330
P.A. Now (θ)
330°
Sep first
20.7
Sep last
20.8
Sep. Now (ρ)
20.8"
Mag pri
8.12
Mag sec
9.53
delta mag (ΔM)
1.41
Spectral class
A0.5V+F2V (white/yellow-white)
Pri motion ra
-000
Sec motion ra
-001
Pri motion dec
-010
Sec motion dec
-010
Notes
N T (See Notes, Parallax indicates physical)
Visually invisible, K-band or other infrared star rPM=0.1 (< 0.3, Physical double)
This double is physical.
 
 
19389-1020 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 162847 19389-1020 STF2547 AB 1830 2015 39 330 20.8 8.12 9.53 1.41 <===
Show 162847 19389-1020 STF2547 AC 1859 2015 18 141 49.6 8.12 11.14 3.02
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
330.4
Precise sep
20.83
Constellation
Aquila
SAO
162847
HIP
96646
Tycho2
5727-02382-1
Gaia DR2
34852040960
HD
185342
BD
BD-10 5143
Distance
154.32
Distance ly
503.39
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19389-1020 STF2547 AB 2007 29 331 20.8 8.12 9.53 A0 N D 193856.50-102020.6
19389-1020 STF2547 AB 2012 32 330 20.8 8.12 9.53 A0 N D 193856.50-102020.6
19389-1020 STF2547 AB 2013 34 331 20.8 8.12 9.53 A0 N 193856.50-102020.6
19389-1020 STF2547 AB 2014 35 330 20.8 8.12 9.53 A0 N 193856.50-102020.6
19389-1020 STF2547 AB 2015 36 330 20.8 8.12 9.53 A0 N W 193856.50-102020.6

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