20210+4320 TDT2198

 
 
20h 20m 57.68s +43 20' 14.7" P.A. 3 sep 1.8 mag 11.67,12.22
 
 
Coord 2000
20210+4320
Discov num
TDT2198
Comp
Coord arcsec 2000
20 20 57.68 +43 20 14.7
Date first
1991
Date last
1991
Obs
1
Pa first
3
Pa last
3
P.A. Now (θ)
Sep first
1.8
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
11.67
Mag sec
12.22
delta mag (ΔM)
0.55
Spectral class
Pri motion ra
-067
Sec motion ra
-067
Pri motion dec
-071
Sec motion dec
-071
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
3.3
Precise sep
1.84
Constellation
Cygnus
SAO
49502
Tycho2
3164-00439-1
Gaia DR2
10623666432
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20210+4320 TDT2198 1991 1 3 1.8 11.67 12.22 202057.68+432014.7

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