19534+2020 STFA 48AB

 
 
19h 53m 22.65s +20 20' 14.1" P.A. 147 sep 41.8 mag 7.14,7.34 Sp A0
 
 
Coord 2000
19534+2020
Discov num
STFA 48
Comp
AB
Coord arcsec 2000
19 53 22.65 +20 20 14.1
Date first
1782
Date last
2014
Obs
60
Pa first
151
Pa last
147
P.A. Now (θ)
147°
Sep first
38.9
Sep last
41.8
Sep. Now (ρ)
41.8"
Mag pri
7.14
Mag sec
7.34
delta mag (ΔM)
0.2
Spectral class
A0 (white)
Pri motion ra
+030
Sec motion ra
+034
Pri motion dec
+016
Sec motion dec
+016
Notes
N Z (See Notes, Parallax indicates components are physical)
rPM=0.106 (< 0.3, Physical double)
This double is physical.
 
 
19534+2020 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19534+2020 STFA 48 AB 1782 2014 60 147 41.8 7.14 7.34 0.20 <===
Show 19534+2020 GUI 28 AC 1895 2013 10 218 223.6 7.14 10.48 3.34
Show 19534+2020 HDS2833 Ba,Bb 1991 2006 2 338 0.2 7.63 9.39 1.76
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
146.5
Precise sep
41.8
Constellation
Vulpecula
last precise pa
146.5
last precise sep
41.8
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19534+2020 STFA 48 AB 2005 54 148 42.9 7.14 7.34 A0 NZD 195322.65+202014.1
19534+2020 STFA 48 AB 2012 56 148 42.9 7.14 7.34 A0 NZD 195322.65+202014.1
19534+2020 STFA 48 AB 2013 59 147 42.2 7.14 7.34 A0 NZD 195322.65+202014.1
19534+2020 STFA 48 AB 2014 60 147 41.8 7.14 7.34 A0 NZD 195322.65+202014.1

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