20180+3613 SEI1073

 
 
20h 18m 01.70s +36 12' 36.6" P.A. 149 sep 4.7 mag 10.86,11.30
 
 
Coord 2000
20180+3613
Discov num
SEI1073
Comp
Coord arcsec 2000
20 18 01.70 +36 12 36.6
Date first
1896
Date last
2015
Obs
16
Pa first
104
Pa last
149
P.A. Now (θ)
149°
Sep first
4.0
Sep last
4.7
Sep. Now (ρ)
4.7"
Mag pri
10.86
Mag sec
11.30
delta mag (ΔM)
0.44
Spectral class
Pri motion ra
-072
Sec motion ra
-014
Pri motion dec
+071
Sec motion dec
-037
Notes
N (See Notes)
rPM=1.212
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
148.6
Precise sep
4.66
Constellation
Cygnus
Tycho2
2684-00716-1
Gaia DR2
79068167936
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20180+3613 SEI1073 1998 10 143 4.5 10.86 11.30 N D 201801.70+361236.6
20180+3613 SEI1073 2010 11 147 4.6 10.86 11.30 N D 201801.70+361236.6
20180+3613 SEI1073 2011 13 148 4.6 10.86 11.30 N D 201801.70+361236.6
20180+3613 SEI1073 2013 14 148 4.7 10.86 11.30 N 201801.70+361236.6
20180+3613 SEI1073 2015 15 149 4.7 10.86 11.30 N 201801.70+361236.6

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