20257+3022 COU1324

 
 
20h 25m 39.10s +30 21' 59.9" P.A. 202 sep 3 mag 10.69,12.80 Sp F8
 
 
Coord 2000
20257+3022
Discov num
COU1324
Comp
Coord arcsec 2000
20 25 39.10 +30 21 59.9
Date first
1975
Date last
2015
Obs
3
Pa first
205
Pa last
202
P.A. Now (θ)
202°
Sep first
2.6
Sep last
3.0
Sep. Now (ρ)
3"
Mag pri
10.69
Mag sec
12.80
delta mag (ΔM)
2.11
Spectral class
F8 (yellow-white)
Pri motion ra
+019
Sec motion ra
Pri motion dec
+017
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
201.7
Precise sep
2.996
Constellation
Cygnus
Tycho2
2685-01542-1
Gaia DR2
72031548800
HD
334346
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20257+3022 COU1324 1996 2 201 3.1 10.69 12.80 F8 202539.10+302159.9
20257+3022 COU1324 2015 3 202 3.0 10.69 12.80 F8 202539.10+302159.9

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