21307-3238 BRT1821

 
 
21h 30m 40.68s -32 37' 46.5" P.A. 39.00 sep 8.0 mag 11.70,11.90
 
 
Coord 2000
21307-3238
Discov num
BRT1821
Comp
Coord arcsec 2000
21 30 40.68 -32 37 46.5
Date first
1911
Date last
2015
Obs
8
Pa first
23
Pa last
39
P.A. Now (θ)
39°
Sep first
4.6
Sep last
8.0
Sep. Now (ρ)
8"
Mag pri
11.70
Mag sec
11.90
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
-018
Sec motion ra
+022
Pri motion dec
-021
Sec motion dec
+013
Notes
rPM=1.898
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
38.8
Precise sep
8.028
Constellation
Piscis Austrinus
Gaia DR2
6783235506354733056
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21307-3238 BRT1821 1913 3 30 4.8 11.70 11.90 213040.68-323746.5
21307-3238 BRT1821 1999 5 38 7.6 11.70 11.90 213040.68-323746.5
21307-3238 BRT1821 2010 8 38 7.4 11.70 11.90 213040.68-323746.5
21307-3238 BRT1821 2015 8 39 8.0 11.70 11.90 213040.68-323746.5

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