20037+3145 SEI 827

 
 
20h 03m 44.25s +31 44' 41.5" P.A. 18 sep 9.4 mag 8.35,11.80 Sp A1V
 
 
Coord 2000
20037+3145
Discov num
SEI 827
Comp
Coord arcsec 2000
20 03 44.25 +31 44 41.5
Date first
1893
Date last
2015
Obs
14
Pa first
20
Pa last
18
P.A. Now (θ)
18°
Sep first
10.9
Sep last
9.4
Sep. Now (ρ)
9.4"
Mag pri
8.35
Mag sec
11.80
delta mag (ΔM)
3.45
Spectral class
A1V (white)
Pri motion ra
+009
Sec motion ra
-003
Pri motion dec
+007
Sec motion dec
-005
Notes
N (See Notes)
rPM=1.488
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
17.6
Precise sep
9.409
Constellation
Cygnus
SAO
69332
Tycho2
2670-00994-1
Gaia DR2
87061903872
HD
190431
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20037+3145 SEI 827 2011 9 18 9.4 8.35 11.80 A1V N 200344.25+314441.5
20037+3145 SEI 827 2015 10 18 9.4 8.35 11.80 A1V N 200344.25+314441.5

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