20153+3546 SEI1044

 
 
20h 15m 18.39s +35 46' 25.1" P.A. 108 sep 21.9 mag 11.49,11.77 Sp F8:
 
 
Coord 2000
20153+3546
Discov num
SEI1044
Comp
Coord arcsec 2000
20 15 18.39 +35 46 25.1
Date first
1896
Date last
2015
Obs
13
Pa first
112
Pa last
108
P.A. Now (θ)
108°
Sep first
23.4
Sep last
21.9
Sep. Now (ρ)
21.9"
Mag pri
11.49
Mag sec
11.77
delta mag (ΔM)
0.28
Spectral class
F8: (yellow-white)
Pri motion ra
+014
Sec motion ra
+006
Pri motion dec
-016
Sec motion dec
-004
Notes
rPM=0.678
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
108.1
Precise sep
21.886
Constellation
Cygnus
Tycho2
2684-01382-1
Gaia DR2
51084568832
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20153+3546 SEI1044 2000 6 109 22.1 11.49 11.72 D 201518.39+354625.1
20153+3546 SEI1044 2002 7 108 22.1 11.49 11.72 D 201518.39+354625.1
20153+3546 SEI1044 2010 8 108 21.8 11.49 11.77 F8: 201518.39+354625.1
20153+3546 SEI1044 2015 9 108 21.9 11.49 11.77 F8: 201518.39+354625.1

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