19178+5422 HO  577AC

 
 
19h 17m 49.97s +54 21' 30.2" P.A. 40 sep 12.7 mag 9.50,11.08
 
 
Coord 2000
19178+5422
Discov num
HO  577
Comp
AC
Coord arcsec 2000
19 17 49.97 +54 21 30.2
Date first
1897
Date last
2015
Obs
21
Pa first
40
Pa last
40
P.A. Now (θ)
40°
Sep first
13.6
Sep last
12.7
Sep. Now (ρ)
12.7"
Mag pri
9.50
Mag sec
11.08
delta mag (ΔM)
1.58
Spectral class
Pri motion ra
+019
Sec motion ra
+000
Pri motion dec
+001
Sec motion dec
-013
Notes
rPM=1.24
This double is not physical.
 
 
19178+5422 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19178+5422 HO 577 AB 1897 2015 16 280 3.3 9.50 11.00 1.50
Show 19178+5422 HO 577 AC 1897 2015 21 40 12.7 9.50 11.08 1.58 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
39.6
Precise sep
12.747
Constellation
Cygnus
Tycho2
3920-00115-1
Gaia DR2
48496392192
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19178+5422 HO 577 AC 2000 6 39 12.9 9.50 11.08 D 191749.97+542130.2
19178+5422 HO 577 AC 2007 10 39 12.8 9.50 11.08 D 191749.97+542130.2
19178+5422 HO 577 AC 2010 14 40 12.8 9.50 11.08 191749.97+542130.2
19178+5422 HO 577 AC 2013 20 40 12.8 9.50 11.08 191749.97+542130.2
19178+5422 HO 577 AC 2015 21 40 12.7 9.50 11.08 191749.97+542130.2

If you need more information about this double, apply for a data request form to the WDS.