20142+4744 ES  799AC

 
 
20h 14m 13.97s +47 42' 54.4" P.A. 42 sep 34.5 mag 10.98,11.40
 
 
Coord 2000
20142+4744
Discov num
ES  799
Comp
AC
Coord arcsec 2000
20 14 13.97 +47 42 54.4
Date first
1901
Date last
2018
Obs
9
Pa first
46
Pa last
42
P.A. Now (θ)
42°
Sep first
31.4
Sep last
34.5
Sep. Now (ρ)
34.5"
Mag pri
10.98
Mag sec
11.40
delta mag (ΔM)
0.42
Spectral class
Pri motion ra
+009
Sec motion ra
+009
Pri motion dec
-030
Sec motion dec
-002
Notes
rPM=0.894
This double is not physical.
 
 
20142+4744 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20142+4744 ES 799 AB 1909 2018 4 14 2.2 10.98 11.10 0.12
Show 20142+4744 ES 799 AC 1901 2018 9 42 34.5 10.98 11.40 0.42 <===
Show 20142+4744 ES 799 CD 1909 2015 4 72 4.0 11.40 15.80 4.40
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
42
Precise sep
34.519
Constellation
Cygnus
Gaia DR2
87536584960
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20142+4744 ES 799 AC 2006 5 223 33.7 10.98 11.40 201413.95+474253.9
20142+4744 ES 799 AC 2015 8 43 32.5 10.98 11.40 201413.97+474254.4
20142+4744 ES 799 AC 2018 9 42 34.5 10.98 11.40 201413.97+474254.4

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