22437-6439 R   339

 
 
22h 43m 40.47s -64 38' 53.4" P.A. 249 sep 10.6 mag 8.81,10.08 Sp F2IV/V
 
 
Coord 2000
22437-6439
Discov num
R   339
Comp
Coord arcsec 2000
22 43 40.47 -64 38 53.4
Date first
1873
Date last
2010
Obs
15
Pa first
249
Pa last
249
P.A. Now (θ)
249°
Sep first
11.1
Sep last
10.6
Sep. Now (ρ)
10.6"
Mag pri
8.81
Mag sec
10.08
delta mag (ΔM)
1.27
Spectral class
F2IV/V (yellow-white)
Pri motion ra
+019
Sec motion ra
+017
Pri motion dec
+004
Sec motion dec
-013
Notes
rPM=0.8
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
248.5
Precise sep
10.61
Constellation
Tucana
Tycho2
9121-00824-1
HD
214990
last precise pa
248.5
last precise sep
10.61
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
22437-6439 R 339 2000 12 249 10.8 8.81 10.08 F2IV/V D 224340.47-643853.4
22437-6439 R 339 2010 15 248 10.6 8.81 10.08 F2IV/V 224340.47-643853.4

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