23305-2231 ARA2289BC

 
 
23h 30m 29.77s -22 30' 35.4" P.A. 238 sep 44 mag 13.20,12.40
 
 
Coord 2000
23305-2231
Discov num
ARA2289
Comp
BC
Coord arcsec 2000
23 30 29.77 -22 30 35.4
Date first
1920
Date last
2015
Obs
7
Pa first
236
Pa last
238
P.A. Now (θ)
238°
Sep first
43.6
Sep last
44.0
Sep. Now (ρ)
44"
Mag pri
13.20
Mag sec
12.40
delta mag (ΔM)
0.8
Spectral class
Pri motion ra
+010
Sec motion ra
-006
Pri motion dec
-029
Sec motion dec
-020
Notes
N R (See Notes, Red magnitudes)
rPM=0.598
Nature of this double is uncertain.
 
 
23305-2231 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 23305-2231 ARA2289 AB 1920 2015 7 95 14.2 13.40 13.20 0.20
Show 23305-2231 ARA2289 AC 1920 2015 7 224 33.7 13.40 12.40 1.00
Show 23305-2231 ARA2289 BC 1920 2015 7 238 44.0 13.20 12.40 0.80 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
238.1
Precise sep
43.996
Constellation
Aquarius
SAO
191953
Gaia DR2
05864285568
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
23305-2231 ARA2289 BC 1998 4 238 44.0 13.70 13.60 D 233029.77-223035.4
23305-2231 ARA2289 BC 1999 5 238 43.9 13.70 13.70 N D 233029.77-223035.4
23305-2231 ARA2289 BC 2014 6 239 43.7 13.20 12.40 N R 233029.77-223035.4
23305-2231 ARA2289 BC 2015 7 238 44.0 13.20 12.40 N R 233029.77-223035.4

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