Contents.
asteroid: (58534)Logos
satellites: Zoe
total number: 7
type: position
dates: 1998-2004
observatory: 250 - Hubble Space Telescope
304 - Las Companas, Chile
Reference.
Noll K. S., Stephens D.C., Grundy W.M., Osip D.J., Griffin I.
The Orbit and Albedo of Transneptunian Binary (58534) 1997 CQ29.
The Astronomical Journal. 2004. V. 128. Issue 5. P. 2547-2552.
2004AJ....128.2547N
Informations.
relative to: the primary
reference frame: astrometric ICRF
centre of frame: topocentric
epoch of equinox: J2000
time scale: UTC
reduction: no information
coordinates: X - the distance from the companion to the target,
g -position angle
diff. refraction: no information (see in publications)
receptor:
telescope:
Ntel 1 - NIC3
Ntel 2 - WF3
Ntel 3 - PC
Ntel 4 - MagIC (Magellan Project Baade and
Clay 6.5m telescopes)
Ntel 5 - NIC2
Comments.
The binary has been resolved at seven of these nine epochs, and the remaining
two provide upper limits 0.3
Format.
1. Year of the moment of observation
2. Month of the moment of observation
3. Day of the moment of observation with decimals
4. Number of telescope, Ntel
5. X - the distance from the companion to the target, arcsec
6. SigX - the error of X , arcsec
7. g - position angle, degree
8. Sig g - the error of g, degrees
9. r - the distance from the Sun to the target, au
10. R - the distance from the observer to the target, au
11. G - the phase angle - the solar phase angle, degrees
12. Nobs- code of observatory
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Year Day Ntel X SigX g Sig g r R G Nobs
Month arcsec arcsec deg deg au au deg
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