20077+0446 ARN  20AD

 
 
20h 07m 42.53s +04 46' 28.6" P.A. 127 sep 99.4 mag 9.67,8.91 Sp A5
 
 
Coord 2000
20077+0446
Discov num
ARN  20
Comp
AD
Coord arcsec 2000
20 07 42.53 +04 46 28.6
Date first
1897
Date last
2015
Obs
13
Pa first
128
Pa last
127
P.A. Now (θ)
127°
Sep first
101.1
Sep last
99.4
Sep. Now (ρ)
99.4"
Mag pri
9.67
Mag sec
8.91
delta mag (ΔM)
0.76
Spectral class
A5 (white)
Pri motion ra
+000
Sec motion ra
-008
Pri motion dec
-024
Sec motion dec
-009
Notes
N (See Notes)
rPM=0.708
Nature of this double is uncertain.
 
 
20077+0446 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20077+0446 STF2627 AB 1827 2015 20 32 2.0 9.67 10.81 1.14
Show 20077+0446 STF2627 AC 1897 2015 16 261 82.2 9.67 7.70 1.97
Show 20077+0446 ARN 20 AD 1897 2015 13 127 99.4 9.67 8.91 0.76 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
126.7
Precise sep
99.384
Constellation
Aquila
Tycho2
0503-00932-1
Gaia DR2
73759080704
HD
191028
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20077+0446 ARN 20 AD 2002 9 128 98.8 9.67 8.91 D 200742.54+044628.7
20077+0446 ARN 20 AD 2012 12 127 99.7 9.67 8.91 N D 200742.54+044628.7
20077+0446 ARN 20 AD 2014 12 127 99.1 9.67 8.91 A5 N 200742.54+044628.7
20077+0446 ARN 20 AD 2015 13 127 99.4 9.67 8.91 A5 N 200742.53+044628.6

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