20122+3810 SEI 998

 
 
20h 12m 07.91s +38 08' 57.0" P.A. 104 sep 3.9 mag 11.30,11.80 Sp A5IV
 
 
Coord 2000
20122+3810
Discov num
SEI 998
Comp
Coord arcsec 2000
20 12 07.91 +38 08 57.0
Date first
1896
Date last
1997
Obs
7
Pa first
117
Pa last
104
P.A. Now (θ)
104°
Sep first
2.6
Sep last
3.9
Sep. Now (ρ)
3.9"
Mag pri
11.30
Mag sec
11.80
delta mag (ΔM)
0.5
Spectral class
A5IV (white)
Pri motion ra
-003
Sec motion ra
Pri motion dec
-014
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
104.4
Precise sep
3.91
Constellation
Cygnus
Tycho2
3151-03298-1
Gaia DR2
38874396288
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20122+3810 SEI 998 1997 7 104 3.9 11.30 11.80 A5IV N 201207.91+380857.0

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