20122+3621 SEI 996AB

 
 
20h 12m 13.88s +36 20' 50.4" sep 29.5 mag 11.33,11.97 Sp A
 
 
Coord 2000
20122+3621
Discov num
SEI 996
Comp
AB
Coord arcsec 2000
20 12 13.88 +36 20 50.4
Date first
1896
Date last
2015
Obs
14
Pa first
1
Pa last
0
P.A. Now (θ)
Sep first
30.0
Sep last
29.5
Sep. Now (ρ)
29.5"
Mag pri
11.33
Mag sec
11.97
delta mag (ΔM)
0.64
Spectral class
A (white)
Pri motion ra
+001
Sec motion ra
-001
Pri motion dec
-003
Sec motion dec
-002
Notes
rPM=0.707
Nature of this double is uncertain.
 
 
20122+3621 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20122+3621 SEI 996 AB 1896 2015 14 0 29.5 11.33 11.97 0.64 <===
Show 20122+3621 STJ 71 AC 2015 2018 2 105 1.1 11.40 12.70 1.30
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
0.3
Precise sep
29.548
Constellation
Cygnus
Tycho2
2683-02272-1
HD
228273
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20122+3621 SEI 996 AB 2015 14 0 29.5 11.33 11.97 A 201213.88+362050.4

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