19248+2856 ES  484AB

 
 
19h 24m 48.07s +28 56' 11.7" P.A. 311 sep 9.4 mag 9.42,12.70 Sp A5
 
 
Coord 2000
19248+2856
Discov num
ES  484
Comp
AB
Coord arcsec 2000
19 24 48.07 +28 56 11.7
Date first
1907
Date last
2015
Obs
7
Pa first
333
Pa last
311
P.A. Now (θ)
311°
Sep first
7.3
Sep last
9.4
Sep. Now (ρ)
9.4"
Mag pri
9.42
Mag sec
12.70
delta mag (ΔM)
3.28
Spectral class
A5 (white)
Pri motion ra
+016
Sec motion ra
Pri motion dec
+006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
19248+2856 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 87177 19248+2856 ES 484 AB 1907 2015 7 311 9.4 9.42 12.70 3.28 <===
Show 87177 19248+2856 ES 484 AC 1893 2015 15 327 23.2 9.42 9.71 0.29
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
311.4
Precise sep
9.382
Constellation
Cygnus
SAO
87177
Tycho2
2137-01935-1
Gaia DR2
2038455220315563520
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19248+2856 ES 484 AB 2007 5 313 9.1 9.42 14.90 A5 D 192448.07+285611.7
19248+2856 ES 484 AB 2015 7 311 9.4 9.42 12.70 A5 192448.07+285611.7

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