02578-2317 ARA1971

 
 
02h 57m 42.63s -23 16' 50.3" P.A. 93 sep 16.7 mag 9.89,13.10 Sp G8III/IV:
 
 
Coord 2000
02578-2317
Discov num
ARA1971
Comp
Coord arcsec 2000
02 57 42.63 -23 16 50.3
Date first
1921
Date last
2013
Obs
6
Pa first
94
Pa last
93
P.A. Now (θ)
93°
Sep first
10.9
Sep last
16.7
Sep. Now (ρ)
16.7"
Mag pri
9.89
Mag sec
13.10
delta mag (ΔM)
3.21
Spectral class
G8III/IV: (yellow)
Pri motion ra
+002
Sec motion ra
-050
Pri motion dec
-002
Sec motion dec
-022
Notes
rPM=1.02
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
92.8
Precise sep
16.7
Cdsa2 id
ARA 1971
Constellation
Eridanus
SAO
168185
Tycho2
6437-00818-1
HD
18486
Ra deg
2.961841666666667
De deg
-23.280638888888888
last precise pa
92.8
last precise sep
16.7
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02578-2317 ARA1971 1921 1 94 10.9 9.89 12.70 025742.63-231650.3
02578-2317 ARA1971 2004 3 93 16.6 9.89 12.70 025742.63-231650.3
02578-2317 ARA1971 2013 5 93 16.7 9.89 13.10 025742.63-231650.3

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