20411+5504 TDS1089

 
 
20h 41m 07.98s +55 03' 57.8" P.A. 252.00 sep 1.4 mag 10.85,10.88 Sp G0
 
 
Coord 2000
20411+5504
Discov num
TDS1089
Comp
Coord arcsec 2000
20 41 07.98 +55 03 57.8
Date first
1991
Date last
2015
Obs
4
Pa first
247
Pa last
252
P.A. Now (θ)
252°
Sep first
1.4
Sep last
1.4
Sep. Now (ρ)
1.4"
Mag pri
10.85
Mag sec
10.88
delta mag (ΔM)
0.03
Spectral class
G0 (yellow)
Pri motion ra
+002
Sec motion ra
+002
Pri motion dec
-023
Sec motion dec
-023
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
252.2
Precise sep
1.4
Constellation
Cygnus
Tycho2
3955-00122-1
Gaia DR2
32109855744
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20411+5504 TDS1089 2000 2 252 1.3 10.85 10.88 204107.98+550357.8
20411+5504 TDS1089 2015 3 252 1.4 10.85 10.88 G0 204107.98+550357.8

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