20310+2036 BU  363AB

 
 
20h 30m 58.10s +20 36' 21.6" P.A. 88 sep 5.7 mag 6.18,12.00 Sp A1m dist. 86.28 pc (281.45 l.y.)
 
 
Coord 2000
20310+2036
Discov num
BU  363
Comp
AB
Coord arcsec 2000
20 30 58.10 +20 36 21.6
Date first
1874
Date last
2015
Obs
14
Pa first
60
Pa last
88
P.A. Now (θ)
88°
Sep first
20.0
Sep last
5.7
Sep. Now (ρ)
5.7"
Mag pri
6.18
Mag sec
12.00
delta mag (ΔM)
5.82
Spectral class
A1m (white)
Pri motion ra
+099
Sec motion ra
Pri motion dec
+057
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
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
87.7
Precise sep
5.719
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 AB 2006 12 81 7.1 6.18 10.00 A1m D 203058.10+203621.6
20310+2036 BU 363 AB 2008 13 81 6.6 6.18 10.00 A1m D 203058.10+203621.6
20310+2036 BU 363 AB 2015 14 88 5.7 6.18 12.00 A1m 203058.10+203621.6

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