21421+0104 CHE 309

 
 
21h 42m 04.51s +01 04' 37.6" P.A. 337 sep 27.5 mag 10.13,13.42
 
 
Coord 2000
21421+0104
Discov num
CHE 309
Comp
Coord arcsec 2000
21 42 04.51 +01 04 37.6
Date first
1907
Date last
2010
Obs
4
Pa first
347
Pa last
337
P.A. Now (θ)
337°
Sep first
27.5
Sep last
27.5
Sep. Now (ρ)
27.5"
Mag pri
10.13
Mag sec
13.42
delta mag (ΔM)
3.29
Spectral class
Pri motion ra
+051
Sec motion ra
+006
Pri motion dec
+015
Sec motion dec
-003
Notes
rPM=0.912
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
337
Precise sep
27.47
Constellation
Aquarius
Tycho2
0543-00004-1
last precise pa
337
last precise sep
27.47
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21421+0104 CHE 309 1907 1 167 27.5 10.13 12.80 214204.52+010437.6
21421+0104 CHE 309 2000 2 338 27.5 10.13 13.30 214204.51+010437.7
21421+0104 CHE 309 2010 4 337 27.5 10.13 13.42 214204.51+010437.6

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