20183+2002 HJ  912AB

 
 
20h 18m 17.00s +20 01' 42.9" P.A. 78 sep 5.1 mag 10.65,10.53
 
 
Coord 2000
20183+2002
Discov num
HJ  912
Comp
AB
Coord arcsec 2000
20 18 17.00 +20 01 42.9
Date first
1827
Date last
2015
Obs
18
Pa first
85
Pa last
78
P.A. Now (θ)
78°
Sep first
2.0
Sep last
5.1
Sep. Now (ρ)
5.1"
Mag pri
10.65
Mag sec
10.53
delta mag (ΔM)
0.12
Spectral class
Pri motion ra
+001
Sec motion ra
+009
Pri motion dec
-002
Sec motion dec
-001
Notes
rPM=0.89
This double is not physical.
 
 
20183+2002 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20183+2002 HJ 912 AB 1827 2015 18 78 5.1 10.65 10.53 0.12 <===
Show 20183+2002 HJ 912 AC 1904 2015 14 170 89.6 10.65 9.02 1.63
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
77.9
Precise sep
5.131
Constellation
Sagitta
SAO
105942
Tycho2
1639-00598-1
Gaia DR2
36189590656
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20183+2002 HJ 912 AB 1999 9 77 5.2 10.65 10.53 D 201817.00+200142.9
20183+2002 HJ 912 AB 2009 10 77 5.4 10.65 10.53 D 201817.00+200142.9
20183+2002 HJ 912 AB 2013 14 77 5.2 10.65 10.53 201817.00+200142.9
20183+2002 HJ 912 AB 2015 15 78 5.2 10.65 10.53 201817.00+200142.9

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