20057+3711 SEI 850

 
 
20h 05m 41.75s +37 10' 36.2" P.A. 339 sep 25.8 mag 11.48,12.58 Sp F8:
 
 
Coord 2000
20057+3711
Discov num
SEI 850
Comp
Coord arcsec 2000
20 05 41.75 +37 10 36.2
Date first
1896
Date last
2015
Obs
11
Pa first
341
Pa last
339
P.A. Now (θ)
339°
Sep first
28.0
Sep last
25.8
Sep. Now (ρ)
25.8"
Mag pri
11.48
Mag sec
12.58
delta mag (ΔM)
1.1
Spectral class
F8: (yellow-white)
Pri motion ra
+003
Sec motion ra
-005
Pri motion dec
+009
Sec motion dec
-009
Notes
rPM=1.913
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
338.8
Precise sep
25.752
Constellation
Cygnus
Tycho2
2682-01779-1
Gaia DR2
46344856448
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20057+3711 SEI 850 1998 4 339 26.0 11.63 12.60 D 200541.75+371036.2
20057+3711 SEI 850 2002 5 339 25.9 11.63 12.60 D 200541.75+371036.2
20057+3711 SEI 850 2010 6 339 25.6 11.48 12.58 F8: 200541.75+371036.2
20057+3711 SEI 850 2015 7 339 25.8 11.48 12.58 F8: 200541.75+371036.2

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