07016-2021 ARA 887BC

 
 
07H 01M 38.16S -20 20' 30.4" P.A. 28 SEP 7.6 MAG 12.50,12.80
 
 
Coord 2000
07016-2021
Discov num
ARA 887
Comp
BC
Coord arcsec 2000
07 01 38.16 -20 20 30.4
Date first
1920
Date last
1999
Obs
4
Pa first
24
Pa last
28
P.A. Now (θ)
28°
Sep first
7.7
Sep last
7.6
Sep. Now (ρ)
7.6"
Mag pri
12.50
Mag sec
12.80
delta mag (ΔM)
0.3
Spectral class
Pri motion ra
-001
Sec motion ra
+003
Pri motion dec
+002
Sec motion dec
+006
Notes
U (Proper motion indicates non-physical)
rPM=0.843
This double is not physical.
 
 
07016-2021 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 07016-2021 ARA 887 AB 1917 1999 5 25 12.5 11.58 12.01 0.43
Show 07016-2021 ABH 58 AD 1987 1999 3 16 8.7 11.58 12.60 1.02
Show 07016-2021 ABH 58 AE 1987 1999 3 155 12.5 11.63 15.50 3.87
Show 07016-2021 ABH 58 AF 1987 1999 3 318 27.3 11.63 14.12 2.49
Show 07016-2021 ABH 58 AG 1987 1999 3 183 57.1 11.63 14.86 3.23
Show 07016-2021 ABH 58 AH 1987 1999 3 188 55.5 11.63 16.00 4.37
Show 07016-2021 ABH 58 AI 1987 1999 3 242 61.0 11.63 16.32 4.69
Show 07016-2021 ARA 887 BC 1920 1999 4 28 7.6 12.50 12.80 0.30 <===
Ninefold system
9 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Canis Major
Tycho2
5971-01039-1
last precise pa
27.6
last precise sep
7.646