20146+1809 J  3064AB

 
 
20h 14m 33.30s +18 09' 13.9" P.A. 192 sep 28.8 mag 9.90,13.10 Sp K7
 
 
Coord 2000
20146+1809
Discov num
J  3064
Comp
AB
Coord arcsec 2000
20 14 33.30 +18 09 13.9
Date first
1944
Date last
2015
Obs
7
Pa first
195
Pa last
192
P.A. Now (θ)
192°
Sep first
25.0
Sep last
28.8
Sep. Now (ρ)
28.8"
Mag pri
9.90
Mag sec
13.10
delta mag (ΔM)
3.2
Spectral class
K7 (yellow-orange)
Pri motion ra
-004
Sec motion ra
-001
Pri motion dec
-010
Sec motion dec
+007
Notes
rPM=1.603
This double is not physical.
 
 
20146+1809 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20146+1809 J 3064 AB 1944 2015 7 192 28.8 9.90 13.10 3.20 <===
Show 20146+1809 J 3064 BC 1944 2015 6 220 4.4 13.10 14.60 1.50
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
191.5
Precise sep
28.801
Constellation
Sagitta
Tycho2
1622-01590-1
Gaia DR2
33905734912
HD
351770
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20146+1809 J 3064 AB 1944 2 210 3.0 9.90 12.20 K7 201433.30+180913.9
20146+1809 J 3064 AB 2007 2 192 30.0 9.90 12.50 K7 201433.30+180913.9
20146+1809 J 3064 AB 2012 4 192 28.8 9.90 12.50 K7 201433.30+180913.9
20146+1809 J 3064 AB 2015 7 192 28.8 9.90 13.10 K7 201433.30+180913.9

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