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VII/208             Faint Galaxies at the North Galactic Pole  (Infante+ 1995)

Faint Galaxies at the North Galactic Pole: The Catalogue Infante L., Pritchet C.J., Hertling G. <J. Astron. Data 1, N°2 (1995)> =1995JAD.....1....2I
ADC_Keywords: Galaxy catalogs ; Galaxies, photometry ; Galactic pole, north Abstract: The North Galactic Pole Canada-France-Hawaii Telescope Catalogue of faint galaxies is made available. We provide positions, photometric and structural parameters for more than 50000 galaxies. The J and F magnitudes were obtained from IIIaJ and IIIaF CFHT prime focus plates respectively. This catalogue have been used in many studies of faint galaxy properties. Galaxy counts, colour distributions and clustering properties of faint galaxies have been obtained with these data. Statistical properties of stars have been studied as well. For details refer to Infante and Pritchet (1992ApJS...83..237I), Pritchet and Infante (1992ApJ...399L..35P), Infante (1994A&A...282..353), Infante (1994A&AS..107..413I) and Infante and Pritchet (1995ApJ...439..565I). The magnitude errors range from: ±0.3mag at J=24 to less than ±0.1 at J=20 ±0.3mag at F=23 to less than ±0.1 at F=19 The rms uncertainty in the zero points is 0.022 (J) and 0.038 (F) File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file faintgal.dat 112 60852 The Catalog of Faint Galaxies at NGP
Byte-by-byte Description of file: faintgal.dat
Bytes Format Units Label Explanations
1- 5 I5 --- NGPFG [1/60852] Running number 7- 8 I2 h RAh Right Ascension 1950 (hours) 9- 10 I2 min RAm Right Ascension 1950 (minutes) 11- 15 F5.2 s RAs Right Ascension 1950 (seconds) 16 A1 --- DE- Declination 1950 (sign) 17- 18 I2 deg DEd Declination 1950 (degrees) 19- 20 I2 arcmin DEm Declination 1950 (minutes) 21- 24 F4.1 arcsec DEs Declination 1950 (seconds) 26- 30 F5.2 mag Jmag ? Magnitude from IIIaJ plate (blue) 32- 36 F5.2 mag Fmag ? Magnitude from IIIaF plate (red) 38- 42 F5.2 arcsec2 Sxx Covariance term (1) 44- 48 F5.2 arcsec2 Sxy Covariance term (1) 50- 54 F5.2 arcsec2 Syy Covariance term (1) 56- 60 F5.2 mag/arcsec2 Peak Height image above sky level 62 I1 --- Field [1/5] Area ID 64- 69 F6.2 arcsec2 A1 Areal profile at threshold T+1 (2) 71- 76 F6.2 arcsec2 A2 Areal profile at threshold T+2 (2) 78- 82 F5.2 arcsec2 A3 Areal profile at threshold T+4 (2) 84- 88 F5.2 arcsec2 A4 Areal profile at threshold T+8 (2) 90- 94 F5.2 arcsec2 A5 Areal profile at threshold T+16 (2) 96-100 F5.2 arcsec2 A6 Areal profile at threshold T+32 (2) 102-106 F5.2 arcsec2 A7 Areal profile at threshold T+64 (2) 108-112 F5.2 arcsec2 A8 Areal profile at threshold T+128 (2)
Note (1): The intensity-weighted covariance terms are defined in the paper; they are related to the size, eccentricity and position angle of the galaxy by: S = sqrt(Sxx + Syy) e = (Syy + sqrt((Sxx-Syy)2 + 4 Syx2))/(Sxx+Syy) tan(PA) = Sxy/((Sxx + Syy)(1+e)/2 - Syy) Note (2): defines the area enclosed by a given isophote. The surface brightness values of the threshold are: ---------------------- Field T(J) T(F) (mag/arcsec2) ---------------------- 1 25.84 24.38 2 25.66 3 25.06 24.60 4 25.79 24.41 5 25.69 24.58 ----------------------
History: From JAD CD-ROM#1, directory 2
(End) Francois Ochsenbein [CDS] 16-Apr-1998
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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