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 1994A&AS..106..327N
ADC_Keywords: Sun; Positional data
Keywords: astrometry - Sun: general
File Summary:
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FileName Lrecl Records Explanations
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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
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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
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Bytes Format Units Label Explanations
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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
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References:
Chollet F., Noel F., 1993, A&A 276, 655
(End) Patricia Bauer [CDS] 28-Jul-1994