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
SAO
31495
Tycho2
3924-00568-1
Gaia DR2
2140967671514272256
HD
239021
 
 
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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