20403+2947 STF2714

 
 
20h 40m 16.01s +29 46' 49.0" P.A. 338.00 sep 6.8 mag 8.97,12.50 Sp F8
 
 
Coord 2000
20403+2947
Discov num
STF2714
Comp
Coord arcsec 2000
20 40 16.01 +29 46 49.0
Date first
1831
Date last
2015
Obs
20
Pa first
336
Pa last
338
P.A. Now (θ)
338°
Sep first
6.8
Sep last
6.8
Sep. Now (ρ)
6.8"
Mag pri
8.97
Mag sec
12.50
delta mag (ΔM)
3.53
Spectral class
F8 (yellow-white)
Pri motion ra
+007
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
337.7
Precise sep
6.825
Constellation
Cygnus
SAO
88989
Tycho2
2182-00589-1
Gaia DR2
72264898688
HD
334935
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20403+2947 STF2714 2000 14 338 6.8 8.97 12.50 F8 D 204016.01+294649.0
20403+2947 STF2714 2002 15 338 7.0 8.97 12.50 F8 D 204016.01+294649.0
20403+2947 STF2714 2015 18 338 6.8 8.97 12.50 F8 204016.01+294649.0

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