21497-2539 COO 245

 
 
21h 49m 44.79s -25 38' 32.3" P.A. 305 sep 2.6 mag 9.57,9.84 Sp F0V
 
 
Coord 2000
21497-2539
Discov num
COO 245
Comp
Coord arcsec 2000
21 49 44.79 -25 38 32.3
Date first
1897
Date last
1999
Obs
12
Pa first
306
Pa last
305
P.A. Now (θ)
305°
Sep first
2.5
Sep last
2.6
Sep. Now (ρ)
2.6"
Mag pri
9.57
Mag sec
9.84
delta mag (ΔM)
0.27
Spectral class
F0V (yellow-white)
Pri motion ra
+037
Sec motion ra
-042
Pri motion dec
-027
Sec motion dec
+029
Notes
rPM=1.897
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
305.1
Precise sep
2.585
Cdsa2 id
COO 245
Constellation
Piscis Austrinus
Tycho2
6956-00692-1
HD
207464
Ra deg
21.829108333333334
De deg
-25.642305555555556
last precise pa
305.1
last precise sep
2.585
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21497-2539 COO 245 1991 11 306 2.6 9.57 9.84 F0V 214944.79-253832.3
21497-2539 COO 245 1999 12 305 2.6 9.57 9.84 F0V 214944.79-253832.3

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