J/A+AS/136/293 Sirius photographic observations (Jasinta+, 1999)
The photographic observations on the components of Sirius
Jasinta D.M.D., Hidayat B.
<Astron. Astrophys. Suppl. Ser. 136, 293 (1999)>
=1999A&AS..136..293J 1999A&AS..136..293J (SIMBAD/NED BibCode)
ADC_Keywords: Stars, double and multiple ; Positional data
Keywords: astrometry - binaries: visual - stars: individual: Sirius
Abstract:
A series of photographic observations on the components of Sirius was
carried out in the years 1976-1986 at the Bosscha Observatory. We
present the analysis and the results of the measurements.
Objects:
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RA (2000) DE Designation(s)
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06 45 10.8 -16 41 58 Sirius
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File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 89 54 Individual observational data on Sirius
table2.dat 40 11 Weighted means of observations on Sirius
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Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 4 I4 --- Plate Plate number
7- 14 F8.3 yr Epoch Epoch of observation
16- 20 F5.3 arcsec DRAcosDE Mean value of {DELTA}αcosδ
22- 24 I3 mas e_DRAcosDE Mean error of DRAcosDE
26- 30 F5.3 arcsec DDE Mean position of {DELTA}δ
32- 34 I3 mas e_DDE Mean error of DDE
36- 40 F5.2 deg PA Position angle
42- 44 I3 0.01deg e_PA Mean error of position angle
46- 51 F6.3 arcsec Sep Measured separation
53- 55 I3 mas e_Sep Mean error of measured separation
57- 62 F6.4 --- Cont ? Contraction of emulsion
64- 66 I3 0.0001 e_Cont ? Mean error of contraction of emulsion
68- 73 F6.3 arcsec SepCor ? Corrected separation
75- 77 I3 mas e_SepCor ? Mean error of corrected separation
79 I1 --- q_PA ? Weight of position angle
82 I1 --- q_SepCor ? Weight of corrected separation
85- 86 I2 --- Nimages Number of images
88- 89 A2 --- Obs Observer
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Byte-by-byte Description of file: table2.dat
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Bytes Format Units Label Explanations
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1- 8 F8.3 yr EpPA Mean epoch for position angle
10- 14 F5.2 deg PA Mean value of position angle
16- 17 I2 --- q_PA ? Weight of mean value of position angle
19- 26 F8.3 yr EpSepCor Mean epoch for corrected separation
28- 33 F6.3 arcsec SepCor Mean value of corrected separation
35- 36 I2 --- q_SepCor ? Weight of mean value of SepCor
38 I1 --- Nplates Number of plates
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Acknowledgements: D.M.D. Jasinta
References:
van Albada G.B., 1956, Contr. Bosscha Obs. no. 3
Van Albada-Van Dien E., 1977A&AS...29..305V 1977A&AS...29..305V
(End) Patricia Bauer [CDS] 14-Jan-1999