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J/A+AS/106/327    Observations of the Sun during 1993 at Santiago    (Noel 1994)
Observations of the Sun during 1993 with the astrolabe of Santiago
     NOEL F.
    <Astron. Astrophys. Suppl. Ser. 106, 327 (1994)>
    =1994A&AS..106..327N
ADC_Keywords: Sun; Positional data

Keywords: astrometry - Sun: general


File Summary:

       FileName      Lrecl  Records   Explanations

ReadMe            80        .   This file
table2            78       56   Astrolabe of Santiago: results of Sun
                                  observations, 1993. Zenith distance = 30 deg
table3            78      116   Astrolabe of Santiago: results of Sun
                                  observations, 1993. Zenith distance = 60 deg


See also:
   J/A+AS/102/11  : Astrolabe observations of the Sun in 1990-1992 (Noel 1993)
   J/A+AS/106/441 : Second catalogue of Santiago (Noel, 1994)
   J/A+AS/113/131 : Observations of the Sun during 1994 (Noel, 1995)
   J/A+AS/132/195 : Astrolabe observations of the Sun in 1995-1997 (Noel 1998)
   J/A+A/375/614  : Astrolabe observations of the Sun in 1990-2000 (Noel, 2001)
   J/A+A/384/650  : CCD solar diameter measurements in 1999-2000 (Penna+, 2002)
   J/A+AS/135/227 : Solar diameter observations in 1997-1998 (Jilinski+, 1999)
   J/A+AS/143/265 : Solar diameter observations in 1998-1999 (Puliaev+, 2000)


Byte-by-byte Description of file: table2 table3

   Bytes Format  Units    Label    Explanations

   1-  6  I6     ---      Date     Date of observation (year, month, day)
   9- 17  F9.3   d        MJD      Modiufied julian day
  19- 23  F5.2   arcsec   EUB      Zenith distance residual given by the
                                   observation of the Sun east upper border
  25- 29  F5.2   arcsec   ELB      Zenith distance residual given by the
                                    observation of the Sun east lower border
  31- 35  F5.2   arcsec   WLB      []? Zenith distance residual given by the
                                    observation of the Sun west lower border
  37- 41  F5.2   arcsec   WUB      []? Zenith distance residual given by the
                                    observation of the Sun west upper border
  43- 48  F6.3   s        dAlpha   []? Right ascension (observed-ephemeris)
  50- 54  F5.3   s       e_dAlpha  []? rms uncertainty on dAlpha
  56- 60  F5.2   arcsec   Y        []? dz +  dδ cos S, where
                                    dz = Zenith distance (observed-adopted),
                                    dδ = Declination (observed-ephemeris),
                                    S = sun paralactic angle
                                                        (Chollet & Noel, 1993)
  62- 66  F5.2   arcsec   dD       []? Sun semi-diameter
  68- 71  F4.2   arcsec   e_dD     []? rms uncertainty on Y and dD
  73- 78  F6.2   arcsec   DR       []? Observed Sun apparent semi-diameter
                                    reduced to the geocenter and to the
                                    astronomical unit


References:
  Chollet F., Noel F., 1993, A&A 276, 655
(End)                                         Patricia Bauer [CDS]   28-Jul-1994