20188+1530 CHE 299AC

 
 
20h 18m 49.47s +15 29' 55.3" P.A. 329.00 sep 37.6 mag 12.25,13.45
 
 
Coord 2000
20188+1530
Discov num
CHE 299
Comp
AC
Coord arcsec 2000
20 18 49.47 +15 29 55.3
Date first
1910
Date last
2019
Obs
11
Pa first
330
Pa last
329
P.A. Now (θ)
329°
Sep first
38.1
Sep last
37.6
Sep. Now (ρ)
37.6"
Mag pri
12.25
Mag sec
13.45
delta mag (ΔM)
1.2
Spectral class
Pri motion ra
+012
Sec motion ra
+005
Pri motion dec
+009
Sec motion dec
+002
Notes
rPM=0.66
Nature of this double is uncertain.
 
 
20188+1530 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20188+1530 TOB 319 AB 1984 2019 10 65 14.9 12.25 13.10 0.85
Show 20188+1530 CHE 299 AC 1910 2019 11 329 37.6 12.25 13.45 1.20 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
329.3
Precise sep
37.6
Constellation
Delphinus
Tycho2
1631-00689-1
Gaia DR2
39020707328
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20188+1530 CHE 299 AC 1910 1 330 38.1 9.93 10.27 201849.41+152954.2
20188+1530 CHE 299 AC 2008 2 329 37.2 9.93 10.27 201849.41+152954.2
20188+1530 CHE 299 AC 2015 6 329 37.1 12.25 13.45 201849.47+152955.3
20188+1530 CHE 299 AC 2019 11 329 37.6 12.25 13.45 201849.47+152955.3

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