21423+0021 CHE 312

 
 
21h 42m 20.30s +00 20' 58.5" P.A. 282 sep 24.1 mag 13.91,14.44
 
 
Coord 2000
21423+0021
Discov num
CHE 312
Comp
Coord arcsec 2000
21 42 20.30 +00 20 58.5
Date first
1907
Date last
2010
Obs
5
Pa first
279
Pa last
282
P.A. Now (θ)
282°
Sep first
23.6
Sep last
24.1
Sep. Now (ρ)
24.1"
Mag pri
13.91
Mag sec
14.44
delta mag (ΔM)
0.53
Spectral class
Pri motion ra
+011
Sec motion ra
+008
Pri motion dec
-009
Sec motion dec
+004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Aquarius
last precise pa
281.9
last precise sep
24.11
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21423+0021 CHE 312 2000 2 102 24.0 11.90 12.20 D 214218.73+002103.3
21423+0021 CHE 312 2010 5 282 24.1 13.91 14.44 214220.30+002058.5

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