20021+3144 SEI 799

 
 
20h 02m 05.85s +31 43' 11.7" P.A. 51 sep 12.7 mag 12.06,12.15
 
 
Coord 2000
20021+3144
Discov num
SEI 799
Comp
Coord arcsec 2000
20 02 05.85 +31 43 11.7
Date first
1893
Date last
2002
Obs
6
Pa first
50
Pa last
51
P.A. Now (θ)
51°
Sep first
13.0
Sep last
12.7
Sep. Now (ρ)
12.7"
Mag pri
12.06
Mag sec
12.15
delta mag (ΔM)
0.09
Spectral class
Pri motion ra
+003
Sec motion ra
+000
Pri motion dec
+004
Sec motion dec
-004
Notes
rPM=1.709
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
51.2
Precise sep
12.716
Constellation
Cygnus
Tycho2
2670-01036-1
last precise pa
51.2
last precise sep
12.716
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20021+3144 SEI 799 1998 5 51 12.7 12.07 12.30 D 200205.85+314311.7
20021+3144 SEI 799 2002 6 51 12.7 12.07 12.30 D 200205.85+314311.7
20021+3144 SEI 799 2010 7 52 13.0 12.06 12.15 200205.85+314311.7

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