20122+3548 SEI 992

 
 
20h 12m 08.62s +35 47' 36.4" P.A. 77 sep 26.4 mag 12.42,12.38
 
 
Coord 2000
20122+3548
Discov num
SEI 992
Comp
Coord arcsec 2000
20 12 08.62 +35 47 36.4
Date first
1896
Date last
2015
Obs
13
Pa first
79
Pa last
77
P.A. Now (θ)
77°
Sep first
25.6
Sep last
26.4
Sep. Now (ρ)
26.4"
Mag pri
12.42
Mag sec
12.38
delta mag (ΔM)
0.04
Spectral class
Pri motion ra
-019
Sec motion ra
-003
Pri motion dec
-012
Sec motion dec
-005
Notes
rPM=0.777
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
76.8
Precise sep
26.393
Constellation
Cygnus
Tycho2
2683-03488-1
Gaia DR2
92583339264
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20122+3548 SEI 992 2002 6 77 26.4 12.35 12.40 D 201208.62+354736.4
20122+3548 SEI 992 2010 8 77 26.3 12.42 12.38 201208.62+354736.4
20122+3548 SEI 992 2015 9 77 26.4 12.42 12.38 201208.62+354736.4

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