19309+5402 A  1398

 
 
19h 30m 55.35s +54 01' 35.9" P.A. 50 sep 1.6 mag 9.16,10.57 Sp A0
 
 
Coord 2000
19309+5402
Discov num
A  1398
Comp
Coord arcsec 2000
19 30 55.35 +54 01 35.9
Date first
1906
Date last
1991
Obs
10
Pa first
57
Pa last
50
P.A. Now (θ)
50°
Sep first
1.4
Sep last
1.6
Sep. Now (ρ)
1.6"
Mag pri
9.16
Mag sec
10.57
delta mag (ΔM)
1.41
Spectral class
A0 (white)
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
-015
Sec motion dec
-015
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
50.4
Precise sep
1.56
Cdsa2 id
A 1398
Constellation
Cygnus
Tycho2
3921-02042-1
HD
184274
Ra deg
19.515375
De deg
54.02663888888889
last precise pa
50.4
last precise sep
1.56
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19309+5402 A 1398 1991 10 50 1.6 9.16 10.57 A0 D 193055.35+540135.9

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