21416-2813 UC 4530AC

 
 
21h 41m 37.84s -28 11' 44.8" P.A. 246.00 sep 79.9 mag 10.72,13.88
 
 
Coord 2000
21416-2813
Discov num
UC 4530
Comp
AC
Coord arcsec 2000
21 41 37.84 -28 11 44.8
Date first
1998
Date last
2018
Obs
4
Pa first
245
Pa last
246
P.A. Now (θ)
246°
Sep first
80.5
Sep last
79.9
Sep. Now (ρ)
79.9"
Mag pri
10.72
Mag sec
13.88
delta mag (ΔM)
3.16
Spectral class
Pri motion ra
-058
Sec motion ra
-059
Pri motion dec
-063
Sec motion dec
-066
Notes
V (Proper motion indicates physical)
rPM=0.036 (< 0.3, Physical double)
This double is physical.
 
 
21416-2813 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 41 38 -28 11 45 HJ 3046 AB 2018 6 57 29.0 10.72 12.64 1.92
Show 21 41 38 -28 11 45 UC 4530 AC 2018 4 246 79.9 10.72 13.88 3.16 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
246.1
Precise sep
79.92
Constellation
Piscis Austrinus
Tycho2
6952-00775-1
Gaia DR2
6809854816005654784
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21416-2813 UC 4530 AC 1999 2 245 80.5 10.72 13.90 V 214137.84-281144.8
21416-2813 UC 4530 AC 2000 2 245 80.5 10.72 13.90 V 214137.84-281144.8
21416-2813 UC 4530 AC 2015 3 245 80.5 10.72 13.88 V 214137.84-281144.8
21416-2813 UC 4530 AC 2018 4 246 79.9 10.72 13.88 V 214137.84-281144.8

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