21053+5025 TDT2730

 
 
21h 05m 16.27s +50 25' 07.9" P.A. 142 sep 1.6 mag 11.48,11.82
 
 
Coord 2000
21053+5025
Discov num
TDT2730
Comp
Coord arcsec 2000
21 05 16.27 +50 25 07.9
Date first
1991
Date last
1991
Obs
1
Pa first
142
Pa last
142
P.A. Now (θ)
142°
Sep first
1.6
Sep last
1.6
Sep. Now (ρ)
1.6"
Mag pri
11.48
Mag sec
11.82
delta mag (ΔM)
0.34
Spectral class
Pri motion ra
-009
Sec motion ra
-009
Pri motion dec
+003
Sec motion dec
+003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
141.5
Precise sep
1.59
Constellation
Cygnus
Tycho2
3596-00897-1
last precise pa
141.5
last precise sep
1.59
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21053+5025 TDT2730 1991 1 142 1.6 11.48 11.82 210516.27+502507.9

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