20013+3346 SEI 789

 
 
20h 01m 18.90s +33 45' 26.5" P.A. 347 sep 16.9 mag 10.69,12.70 Sp A5
 
 
Coord 2000
20013+3346
Discov num
SEI 789
Comp
Coord arcsec 2000
20 01 18.90 +33 45 26.5
Date first
1894
Date last
2011
Obs
7
Pa first
349
Pa last
347
P.A. Now (θ)
347°
Sep first
18.2
Sep last
16.9
Sep. Now (ρ)
16.9"
Mag pri
10.69
Mag sec
12.70
delta mag (ΔM)
2.01
Spectral class
A5 (white)
Pri motion ra
+000
Sec motion ra
+001
Pri motion dec
+004
Sec motion dec
-006
Notes
rPM=1.652
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
347.4
Precise sep
16.88
Constellation
Cygnus
Tycho2
2678-01670-1
HD
227138
last precise pa
347.4
last precise sep
16.88
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20013+3346 SEI 789 1998 4 348 17.0 10.69 12.70 D 200118.90+334526.5
20013+3346 SEI 789 2002 5 347 17.0 10.69 12.70 D 200118.90+334526.5
20013+3346 SEI 789 2011 6 347 16.9 10.69 12.70 D 200118.90+334526.5

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