16534-4442 CPO 497

 
 
16h 53m 27.81s -44 41' 33.2" P.A. 184 sep 3.3 mag 11.55,12.10 Sp A0 dist. 139.66 pc (455.57 l.y.)
 
 
Coord 2000
16534-4442
Discov num
CPO 497
Comp
Coord arcsec 2000
16 53 27.81 -44 41 33.2
Date first
1902
Date last
2015
Obs
5
Pa first
184
Pa last
184
P.A. Now (θ)
184°
Sep first
3.3
Sep last
3.3
Sep. Now (ρ)
3.3"
Mag pri
11.55
Mag sec
12.10
delta mag (ΔM)
0.55
Spectral class
A0 (white)
Pri motion ra
+000
Sec motion ra
-003
Pri motion dec
+017
Sec motion dec
-052
Notes
B (Blue magnitudes)
rPM=0.024 (< 0.3, Physical double)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Spectr
G2/3V
Constellation
Hydra
SAO
202585
HIP
56456
Tycho2
7224-01787-1
HD
100624
CD
CD-34 7543
Distance
139.66
Distance ly
455.57
last precise pa
183.5
last precise sep
3.27
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16534-4442 CPO 497 1902 2 187 2.3 11.55 12.10 A0 B 165327.81-444133.2
16534-4442 CPO 497 1998 3 183 3.3 11.55 12.10 A0 B 165327.81-444133.2
16534-4442 CPO 497 1999 4 182 3.0 11.55 12.10 A0 B 165327.81-444133.2
16534-4442 CPO 497 2015 5 184 3.3 11.55 12.10 A0 B 165327.81-444133.2

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