20142+4744 ES  799CD

20h 14m 16.23s +47 43' 19.0" P.A. 73 sep 4.4 mag 11.40,15.80

Coord 2000
20142+4744
Discov num
ES  799
Comp
CD
Coord arcsec 2000
20 14 16.23 +47 43 19.0
Date first
1909
Date last
2011
Obs
3
Pa first
74
Pa last
73
P.A. Now (θ)
73°
Sep first
3.7
Sep last
4.4
Sep. Now (ρ)
4.4"
Mag pri
11.40
Mag sec
15.80
delta mag (ΔM)
4.4
Spectral class
Pri motion ra
+009
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes


Nature of this double is uncertain.



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 2011 2 17 2.1 10.98 11.10 0.12
Show 20142+4744 ES 799 AC 1901 2006 7 43 33.7 10.98 11.40 0.42
Show 20142+4744 ES 799 CD 1909 2011 3 73 4.4 11.40 15.80 4.40 <===
Quadruple system
4 visible stars in this system



OTHER CATALOGS AND DESIGNATIONS

Precise pa
73.4
Precise sep
4.4
Constellation
Cygnus
last precise pa
73.4
last precise sep
4.4




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 CD 1909 1 74 3.7 11.30 15.70 201430.00+474400.0
20142+4744 ES 799 CD 2011 2 73 4.4 11.40 15.80 201414.03+474255.0

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