20157+3800 TDS1054

 
 
20h 15m 43.87s +38 00' 11.3" P.A. 4 sep 0.9 mag 11.27,11.74 Sp A5
 
 
Coord 2000
20157+3800
Discov num
TDS1054
Comp
Coord arcsec 2000
20 15 43.87 +38 00 11.3
Date first
1991
Date last
1991
Obs
1
Pa first
4
Pa last
4
P.A. Now (θ)
Sep first
0.9
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
11.27
Mag sec
11.74
delta mag (ΔM)
0.47
Spectral class
A5 (white)
Pri motion ra
+001
Sec motion ra
+001
Pri motion dec
-002
Sec motion dec
-002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
4.3
Precise sep
0.9
Constellation
Cygnus
Tycho2
3151-02918-1
Gaia DR2
35330291968
HD
228618
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20157+3800 TDS1054 1991 1 4 0.9 11.27 11.74 201543.87+380011.3

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