21423-2821 RST2185

 
 
21h 42m 18.97s -28 21' 14.0" P.A. 121.00 sep 3.2 mag 11.30,14.10
 
 
Coord 2000
21423-2821
Discov num
RST2185
Comp
Coord arcsec 2000
21 42 18.97 -28 21 14.0
Date first
1931
Date last
2018
Obs
4
Pa first
158
Pa last
121
P.A. Now (θ)
121°
Sep first
2.4
Sep last
3.2
Sep. Now (ρ)
3.2"
Mag pri
11.30
Mag sec
14.10
delta mag (ΔM)
2.8
Spectral class
Pri motion ra
-007
Sec motion ra
Pri motion dec
-018
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
120.7
Precise sep
3.165
Constellation
Piscis Austrinus
SAO
190564
Tycho2
6952-00583-1
Gaia DR2
96834848000
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21423-2821 RST2185 1940 3 151 2.5 11.30 14.10 214218.97-282114.0
21423-2821 RST2185 2018 4 121 3.2 11.30 14.10 214218.97-282114.0

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