19547+3850 SEI 725

 
 
19h 54m 40.77s +38 49' 51.4" P.A. 299 sep 31.7 mag 10.62,12.00 Sp F0
 
 
Coord 2000
19547+3850
Discov num
SEI 725
Comp
Coord arcsec 2000
19 54 40.77 +38 49 51.4
Date first
1896
Date last
2010
Obs
9
Pa first
308
Pa last
299
P.A. Now (θ)
299°
Sep first
23.9
Sep last
31.7
Sep. Now (ρ)
31.7"
Mag pri
10.62
Mag sec
12.00
delta mag (ΔM)
1.38
Spectral class
F0 (yellow-white)
Pri motion ra
+001
Sec motion ra
+004
Pri motion dec
+003
Sec motion dec
+004
Notes
rPM=0.559
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
298.5
Precise sep
31.73
Constellation
Cygnus
Tycho2
3137-00577-1
HD
226497
last precise pa
298.5
last precise sep
31.73
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19547+3850 SEI 725 1998 7 307 23.6 10.62 12.00 D 195440.77+384951.4
19547+3850 SEI 725 2002 8 307 23.6 10.62 12.00 D 195440.77+384951.4
19547+3850 SEI 725 2010 9 299 31.7 10.62 12.00 F0 195440.77+384951.4

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