20127+1806 J  2303AB

 
 
20h 12m 46.88s +18 06' 17.4" P.A. 50 sep 23.6 mag 10.60,12.00 Sp F8
 
 
Coord 2000
20127+1806
Discov num
J  2303
Comp
AB
Coord arcsec 2000
20 12 46.88 +18 06 17.4
Date first
1895
Date last
2015
Obs
8
Pa first
54
Pa last
50
P.A. Now (θ)
50°
Sep first
26.2
Sep last
23.6
Sep. Now (ρ)
23.6"
Mag pri
10.60
Mag sec
12.00
delta mag (ΔM)
1.4
Spectral class
F8 (yellow-white)
Pri motion ra
+017
Sec motion ra
+015
Pri motion dec
-011
Sec motion dec
-039
Notes
U (Proper motion indicates non-physical)
rPM=0.672
This double is not physical.
 
 
20127+1806 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20127+1806 J 2303 AB 1895 2015 8 50 23.6 10.60 12.00 1.40 <===
Show 20127+1806 J 2303 BC 1942 2015 7 322 4.5 12.00 13.00 1.00
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
49.7
Precise sep
23.643
Constellation
Sagitta
Tycho2
1622-01261-1
Gaia DR2
34055374720
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20127+1806 J 2303 AB 1957 3 50 25.0 10.45 12.60 F8 201246.88+180617.4
20127+1806 J 2303 AB 2000 4 50 24.0 10.60 12.00 F8 201246.88+180617.4
20127+1806 J 2303 AB 2001 5 50 23.9 10.60 12.00 F8 201246.88+180617.4
20127+1806 J 2303 AB 2015 6 49 23.8 10.60 12.00 F8 201246.88+180617.4

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