19397+3359 HO  111AC

 
 
19h 39m 44.92s +33 58' 44.1" P.A. 169 sep 25.1 mag 6.10,11.70 Sp B0.5Iae dist. 149.93 pc (489.07 l.y.)
 
 
Coord 2000
19397+3359
Discov num
HO  111
Comp
AC
Coord arcsec 2000
19 39 44.92 +33 58 44.1
Date first
1905
Date last
2002
Obs
6
Pa first
170
Pa last
169
P.A. Now (θ)
169°
Sep first
24.3
Sep last
25.1
Sep. Now (ρ)
25.1"
Mag pri
6.10
Mag sec
11.70
delta mag (ΔM)
5.6
Spectral class
B0.5Iae (blue-white)
Pri motion ra
-004
Sec motion ra
Pri motion dec
+012
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
19397+3359 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 68654 19397+3359 HO 111 AB 1885 1991 14 15 1.2 6.10 9.61 3.51
Show 68654 19397+3359 HO 111 AC 1905 2002 6 169 25.1 6.10 11.70 5.60 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
168.9
Precise sep
25.11
Constellation
Cygnus
SAO
68654
HIP
96724
Tycho2
2664-00996-1
HD
185837
HR
7481
BD
BD+33 3547
Distance
149.93
Distance ly
489.07
last precise pa
168.9
last precise sep
25.11
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19397+3359 HO 111 AC 1998 5 169 25.4 6.10 11.70 B0.5Iae D 193944.92+335844.1
19397+3359 HO 111 AC 2002 6 169 25.0 6.10 11.70 B0.5Iae D 193944.92+335844.1

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