04188-0242 STF 525BC

 
 
04h 18m 42.47s -02 42' 07.7" P.A. 170 sep 7.9 mag 10.18,10.70
 
 
Coord 2000
04188-0242
Discov num
STF 525
Comp
BC
Coord arcsec 2000
04 18 42.47 -02 42 07.7
Date first
1879
Date last
2010
Obs
10
Pa first
169
Pa last
170
P.A. Now (θ)
170°
Sep first
7.2
Sep last
7.9
Sep. Now (ρ)
7.9"
Mag pri
10.18
Mag sec
10.70
delta mag (ΔM)
0.52
Spectral class
Pri motion ra
-016
Sec motion ra
-016
Pri motion dec
-005
Sec motion dec
-010
Notes
rPM=0.265 (< 0.3, Physical double)
This double is physical.
 
 
04188-0242 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 04188-0242 STF 525 AB 1879 2010 14 244 45.2 8.91 10.18 1.27
Show 04188-0242 STF 525 AC 1891 2010 7 235 47.9 8.91 9.91 1.00
Show 04188-0242 STF 525 BC 1879 2010 10 170 7.9 10.18 10.70 0.52 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
169.9
Precise sep
7.89
Cdsa2 id
STF 525 BC
Constellation
Eridanus
Tycho2
4729-00243-1
Ra deg
4.311797222222222
De deg
-2.702138888888889
last precise pa
169.9
last precise sep
7.89
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04188-0242 STF 525 BC 1998 8 170 7.9 10.18 10.70 D 041842.47-024207.7
04188-0242 STF 525 BC 2010 9 170 7.9 10.18 10.70 D 041842.47-024207.7

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