20574+5104 ES  999

 
 
20h 57m 24.51s +51 03' 53.3" P.A. 262 sep 3.2 mag 9.80,10.70 Sp M0
 
 
Coord 2000
20574+5104
Discov num
ES  999
Comp
Coord arcsec 2000
20 57 24.51 +51 03 53.3
Date first
1910
Date last
2010
Obs
6
Pa first
262
Pa last
262
P.A. Now (θ)
262°
Sep first
3.4
Sep last
3.2
Sep. Now (ρ)
3.2"
Mag pri
9.80
Mag sec
10.70
delta mag (ΔM)
0.9
Spectral class
M0 (red)
Pri motion ra
+010
Sec motion ra
Pri motion dec
+004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
262.3
Precise sep
3.18
Constellation
Cygnus
SAO
33018
Tycho2
3587-00196-1
Gaia DR2
2169802638835201792
HD
235409
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20574+5104 ES 999 1994 4 268 3.0 9.80 10.70 M0 205724.51+510353.3
20574+5104 ES 999 2010 5 262 3.1 9.80 10.70 M0 205724.51+510353.3

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