19397+3359 HO  111AB

 
 
19h 39m 44.92s +33 58' 44.1" P.A. 15 sep 1.2 mag 6.10,9.61 Sp B0.5Iae
 
 
Coord 2000
19397+3359
Discov num
HO  111
Comp
AB
Coord arcsec 2000
19 39 44.92 +33 58 44.1
Date first
1885
Date last
2004
Obs
15
Pa first
1
Pa last
15
P.A. Now (θ)
15°
Sep first
0.8
Sep last
1.2
Sep. Now (ρ)
1.2"
Mag pri
6.10
Mag sec
9.61
delta mag (ΔM)
3.51
Spectral class
B0.5Iae (blue-white)
Pri motion ra
-004
Sec motion ra
-004
Pri motion dec
+008
Sec motion dec
+012
Notes
rPM=0.316
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 2004 15 15 1.2 6.10 9.61 3.51 <===
Show 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
15.4
Precise sep
1.24
Constellation
Cygnus
SAO
68654
Tycho2
2664-00996-1
HD
185837
HR
7481
last precise pa
15.4
last precise sep
1.24
 
 
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 AB 1991 14 15 1.2 6.10 9.61 B0.5Iae D 193944.92+335844.1
19397+3359 HO 111 AB 2004 15 15 1.2 6.10 9.61 B0.5Iae 193944.92+335844.1

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