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II/164              DDO Photoelectric Photometric Catalog   (Mermilliod+ 1989)

Catalogue of DDO Photometry 88 Mermilliod J.C., Nitschelm C. <Astron. Astrophys. Suppl. Ser. 81, 401 (1989)> =1989A&AS...81..401M
ADC_Keywords: Colors ; Photometry, DDO Description: This catalogue collects the DDO photometric data published in the astronomical literature until the end of 1988, and contains 8034 DDO measurements, concerning 6139 stars. The DDO 6-filter has the following peak wavelengths and widths: ------------------------ Filter Peak Width [nm] [nm] ------------------------ 35 346.0 38.3 38 381.5 33.0 41 416.6 8.3 42 425.7 7.3 45 451.7 7.6 48 488.6 18.6 51 (*) 513.0 13.4 ------------------------ (*) additional to DDO. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file mean.dat 122 6139 Catalog of homogeneous data obs.dat 80 8034 Catalog of individual observations refs.dat 80 396 References (contains 76 empty lines) numsys.txt 80 2626 Description of the code numbering system (LID)
See also: II/80 : Homogeneous Photometry of Bright Stars in DDO system (McClure+ 1981) GCPD/12 : DDO Photometry page at Lausanne (http://obswww.unige.ch/gcpd/ph12.html) Byte-by-byte Description of file: mean.dat
Bytes Format Units Label Explanations
2- 11 A10 --- LID Lausanne identification code (G1) 12 A1 --- m_LID [D1239] Remarks on duplicity and variability 13 A1 --- f_LID [V] Variability flag 15- 18 I4 --- HR ? Number in the Bright Star Catalog V/50 20- 25 I6 --- HD ? Number in Henry Draper Catalog III/115 27- 35 A9 --- DM Durchmusterung designation (BD, CD, CPD) 37- 48 A12 --- Oname Other designation 49- 50 I2 h RAh ? Right Ascension B1950 (hours) 52- 53 I2 min RAm ? Right Ascension B1950 (minutes) 55- 56 I2 s RAs ? Right Ascension B1950 (seconds) 58 A1 --- DE- Declination B1950 (sign) 59- 60 I2 deg DEd ? Declination B1950 (degrees) 62- 65 F4.1 arcmin DEm ? Declination B1950 (minutes) 67- 72 F6.3 mag m48 ? Magnitude in the filter 48 of DDO system 74- 79 F6.3 mag C(48-51) ? Colour index in DDO system 81- 86 F6.3 mag C(45-48) ? Colour index in DDO system 88- 93 F6.3 mag C(42-45) ? Colour index in DDO system 95-100 F6.3 mag C(41-42) ? Colour index in DDO system 102-107 F6.3 mag C(38-41) ? Colour index in DDO system 109-114 F6.3 mag C(35-38) ? Colour index in DDO system 119 A1 --- l_Nobs [>S] Limit flag on Nobs, or 'S' for standard 121-122 I2 --- Nobs ? Number of measurements (blank for standard)
Byte-by-byte Description of file: obs.dat
Bytes Format Units Label Explanations
2- 11 A10 --- LID Lausanne identification code (G1) 12 A1 --- m_LID [D1239] Remarks on duplicity 13 A1 --- f_LID [V] Variability flag 15- 20 F6.3 mag m48 ? Magnitude in the filter 48 of DDO system 22- 27 F6.3 mag C(48-51) ? Colour index in DDO system 29- 34 F6.3 mag C(45-48) ? Colour index in DDO system 36- 41 F6.3 mag C(42-45) ? Colour index in DDO system 43- 48 F6.3 mag C(41-42) ? Colour index in DDO system 50- 55 F6.3 mag C(38-41) ? Colour index in DDO system 57- 62 F6.3 mag C(35-38) ? Colour index in DDO system 67 A1 --- l_Nobs [>S*] Limit flag on Nobs, 'S' for standard '*' for an estimated number 69- 70 I2 --- Nobs ? Number of measurements (blank for standard) 76- 80 I5 --- r_m48 Reference of the observation in "refs.dat"
Byte-by-byte Description of file: refs.dat
Bytes Format Units Label Explanations
1- 5 I5 --- Ref [12001/12081] Reference number 9- 80 A72 --- Text Text of reference (includes the bibcode)
Global Notes: Note (G1): The Lausanne ID (LID) is described in file "numsys.txt" --- the decimal point is however not used in the tables.

(End) Francois Ochsenbein [CDS] 03-Dec-2002
The document above follows the rules of the Standard Description for Astronomical Catalogues.From this documentation it is possible to generate f77 program to load files into arrays or line by line

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