19139+5523 ES  981

 
 
19h 13m 56.45s +55 23' 14.7" P.A. 84 sep 2.7 mag 9.65,11.80 Sp A5
 
 
Coord 2000
19139+5523
Discov num
ES  981
Comp
Coord arcsec 2000
19 13 56.45 +55 23 14.7
Date first
1910
Date last
1984
Obs
4
Pa first
90
Pa last
84
P.A. Now (θ)
84°
Sep first
3.2
Sep last
2.7
Sep. Now (ρ)
2.7"
Mag pri
9.65
Mag sec
11.80
delta mag (ΔM)
2.15
Spectral class
A5 (white)
Pri motion ra
-005
Sec motion ra
Pri motion dec
+022
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
84.1
Precise sep
2.71
Constellation
Cygnus
last precise pa
84.1
last precise sep
2.71
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19139+5523 ES 981 1984 4 84 2.7 9.65 11.80 A5 191356.45+552314.7

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