20188+1530 TOB 319AB

 
 
20h 18m 49.47s +15 29' 55.3" P.A. 65 sep 15 mag 12.25,13.10
 
 
Coord 2000
20188+1530
Discov num
TOB 319
Comp
AB
Coord arcsec 2000
20 18 49.47 +15 29 55.3
Date first
1984
Date last
2015
Obs
9
Pa first
59
Pa last
65
P.A. Now (θ)
65°
Sep first
15.4
Sep last
15.0
Sep. Now (ρ)
15"
Mag pri
12.25
Mag sec
13.10
delta mag (ΔM)
0.85
Spectral class
Pri motion ra
+012
Sec motion ra
+003
Pri motion dec
+009
Sec motion dec
-001
Notes
rPM=0.897
This double is not physical.
 
 
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 2015 9 65 15.0 12.25 13.10 0.85 <===
Show 20188+1530 CHE 299 AC 1910 2015 10 329 37.1 12.25 13.45 1.20
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
64.9
Precise sep
15.007
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 TOB 319 AB 1998 2 65 15.2 9.93 11.30 D 201849.41+152954.2
20188+1530 TOB 319 AB 2008 3 65 15.1 9.93 11.30 D 201849.41+152954.2
20188+1530 TOB 319 AB 2015 5 65 15.0 12.25 13.10 201849.47+152955.3

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