02580-1550 WIS  78AC

 
 
02h 58m 02.43s -15 50' 17.5" P.A. 351 sep 144 mag 6.61,13.06 Sp F5V dist. 83.4 pc (272.05 l.y.)
 
 
Coord 2000
02580-1550
Discov num
WIS  78
Comp
AC
Coord arcsec 2000
02 58 02.43 -15 50 17.5
Date first
1998
Date last
2010
Obs
2
Pa first
351
Pa last
351
P.A. Now (θ)
351°
Sep first
143.8
Sep last
144.0
Sep. Now (ρ)
144"
Mag pri
6.61
Mag sec
13.06
delta mag (ΔM)
6.45
Spectral class
F5V (yellow-white)
Pri motion ra
+159
Sec motion ra
+166
Pri motion dec
+146
Sec motion dec
+148
Notes
K (K-band or other infrared magnitudes)
rPM=0.033 (< 0.3, Physical double)
This double is physical.
 
 
02580-1550 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 148689 02580-1550 HU 811 AB 1903 2001 12 235 1.8 8.13 10.22 2.09
Show 148689 02580-1550 WIS 78 AC 1998 2010 2 351 144.0 6.61 13.06 6.45 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
351.2
Precise sep
144.031
Cdsa2 id
WIS 78 AC
Constellation
Eridanus
SAO
148689
HIP
13831
Tycho2
5864-00954-1
HD
18498
BD
BD-16 538
Ra deg
2.967341666666667
De deg
-15.838194444444445
Distance
83.4
Distance ly
272.05
last precise pa
351.2
last precise sep
144.031
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02580-1550 WIS 78 AC 2010 2 351 144.0 6.61 13.06 F5V K 025802.43-155017.5

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