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
last precise pa
262.3
last precise sep
3.18
 
 
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

If you need more information about this double, apply for a data request form to the WDS.