J/A+A/444/625 Photographic positions of the major planets (Rizvanov+, 2005)
Photographic observations of Solar System bodies at the
Engelhardt astronomical observatory.
Rizvanov N., Nefedjev J.
<Astron. Astrophys. 444, 625 (2005)>
=2005A&A...444..625R 2005A&A...444..625R
ADC_Keywords: Planets ; Positional data
Keywords: astrometry - planets and satellites: general - catalogs
Abstract:
We describe a large database of photographic observations of Solar
System bodies obtained at the Engelhadt Astronomical Observatory
(EnAO). We give a brief description of the methods of observations and
the accuracy of their reduction with the PPM and Tycho-2 catalogues.
The photographic positions of the major planets, except Jupiter, are
in the system of the Tycho-2 catalogue and their comparison with DE200
ephemeris coordinates are given.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 57 6 The accuracy of reduction of observations of the
planets in the systems PPM and Tycho-2 catalogues
table2.dat 70 30 Photographic position of Venus in Tycho-2 system
table3.dat 70 60 Photographic position of Mars in Tycho-2 system
table4.dat 70 37 Photographic position of Saturn in Tycho-2 system
table5.dat 70 24 Photographic position of Uranus in Tycho-2 system
table6.dat 70 40 Photographic position of Neptune in Tycho-2 system
table7.dat 70 20 Photographic position of Pluto in Tycho-2 system
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See also:
I/146 : Positions and Proper Motions - North (Roeser+, 1988)
I/193 : Positions and Proper Motions - South (Bastian+ 1993)
I/259 : The Tycho-2 Catalogue (Hog+ 2000)
Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 7 A7 --- Name Planets
10- 15 F6.3 s (O-C)RAp (O-C) in right ascension with PPM
17- 22 F6.3 s (O-C)RAt (O-C) in right ascension with Tycho-2
24- 28 F5.3 s e_(O-C)RAp rms uncertainty on (O-C)RAp
30- 34 F5.3 s e_(O-C)RAt rms uncertainty on (O-C)RAt
36- 40 F5.2 arcsec (O-C)DEp (O-C) in declination with PPM
42- 46 F5.2 arcsec (O-C)DEt (O-C) in declination with Tycho-2
48- 51 F4.2 arcsec e_(O-C)DEp rms uncertainty on (O-C)DEp
53- 56 F4.2 arcsec e_(O-C)DEt rms uncertainty on (O-C)DEt
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Byte-by-byte Description of file: table[2-7].dat
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Bytes Format Units Label Explanations
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1- 2 I2 --- Seq Sequential number of the observation
4- 13 A10 "YYYY/MM/DD" Obs.Date Observation date
15- 16 I2 h Obs.h UT observation time (hours)
18- 19 I2 min Obs.m UT observation time (minutes)
21- 24 F4.1 s Obs.s UT observation time (minutes)
28- 29 I2 h RAh Right ascension (J2000.0)
31- 32 I2 min RAm Right ascension (J2000.0)
34- 39 F6.3 s RAs Right ascension (J2000.0)
42 A1 --- DE- Declination sign (J2000.0)
43- 44 I2 deg DEd Declination (J2000.0)
46- 47 I2 arcmin DEm Declination (J2000.0)
49- 53 F5.2 arcsec DEs Declination (J2000.0)
57- 62 F6.3 s (O-C)RA (O-C) in right ascension (1)
66- 70 F5.2 arcsec (O-C)DE (O-C) in declination (1)
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Note (1): (O-C) in sense "observation minus ephemerides DE200"
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Acknowledgements: Jury Nefedjev, star1955(at)mail.ru
(End) Patricia Vannier [CDS] 16-Oct-2005