20310+2036 BU  363AC

 
 
20h 30m 58.10s +20 36' 21.6" P.A. 206 sep 55.9 mag 6.18,13.00 Sp A1m dist. 86.28 pc (281.45 l.y.)
 
 
Coord 2000
20310+2036
Discov num
BU  363
Comp
AC
Coord arcsec 2000
20 30 58.10 +20 36 21.6
Date first
1892
Date last
2016
Obs
11
Pa first
198
Pa last
206
P.A. Now (θ)
206°
Sep first
44.1
Sep last
55.9
Sep. Now (ρ)
55.9"
Mag pri
6.18
Mag sec
13.00
delta mag (ΔM)
6.82
Spectral class
A1m (white)
Pri motion ra
+095
Sec motion ra
+003
Pri motion dec
+059
Sec motion dec
+000
Notes
rPM=0.977
This double is not physical.
 
 
20310+2036 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 88783 20310+2036 BU 363 AB 1874 2015 14 88 5.7 6.18 12.00 5.82
Show 20310+2036 BU 363 AC 1892 2016 11 206 55.9 6.18 13.00 6.82 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
206.4
Precise sep
55.88
Constellation
Delphinus
SAO
88783
HIP
101213
Tycho2
1640-00231-1
Gaia DR2
55669416320
HD
195479
HR
7839
BD
BD+20 4602
Distance
86.28
Distance ly
281.45
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20310+2036 BU 363 AC 2006 8 206 54.1 6.18 13.00 A1m D 203058.10+203621.6
20310+2036 BU 363 AC 2015 10 207 54.7 6.18 13.00 A1m 203058.10+203621.6
20310+2036 BU 363 AC 2016 11 206 55.9 6.18 13.00 A1m 203058.10+203621.6

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