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J/MNRAS/360/782     X-ray-selected normal galaxies      (Georgantopoulos+, 2005)

The XMM-Newton Needles in the Haystack Survey: the local X-ray luminosity function of `normal' galaxies. Georgantopoulos I., Georgakakis A., Koulouridis E. <Mon. Not. R. Astron. Soc., 360, 782-790 (2005)> =2005MNRAS.360..782G
ADC_Keywords: X-ray sources ; Galaxies, optical ; Redshifts Keywords: surveys - galaxies: luminosity function, mass function - X-rays: galaxies - X-rays: general Abstract: In this paper we estimate the local (z<0.22) X-ray luminosity function of 'normal' galaxies derived from the XMM-Newton Needles in the Haystack Survey. This is an on-going project that aims to identify X-ray-selected normal galaxies (i.e. non-AGN dominated) in the local Universe. We are using a total of 70 XMM-Newton fields covering an area of 11deg2 which overlap with the Sloan Digital Sky Survey Data Release 2. Normal galaxies are selected on the basis of their resolved optical light profile, their low X-ray-to-optical flux ratio [log(fx/fo)←2] and soft X-ray colours. We find a total of 28 candidate normal galaxies to the 0.58keV band flux limit of 2×10-15erg/cm2/s. Optical spectra are available for most sources in our sample (82 per cent). These provide additional evidence that our sources are bona fide normal galaxies with X-ray emission coming from diffuse hot gas emission and/or X-ray binaries rather than a supermassive black hole. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table1.dat 73 70 The XMM-Newton pointings table2.dat 88 28 The candidate normal galaxy sample table3.dat 88 3 The excluded hard low-luminosity AGN
See also: B/xmm : XMM-Newton Observation Log (XMM-Newton Science Operation Center, 2002) : SDSS Home Page Byte-by-byte Description of file: table1.dat
Bytes Format Units Label Explanations
1- 10 A10 --- ObsID XMM observation identification number 12- 13 I2 h RAh Right ascension (J2000) 15- 16 I2 min RAm Right ascension (J2000) 18- 19 I2 s RAs Right ascension (J2000) 21 A1 --- DE- Declination sign (J2000) 22- 23 I2 deg DEd Declination (J2000) 25- 26 I2 arcmin DEm Declination (J2000) 28- 29 I2 arcsec DEs Declination (J2000) 31- 36 A6 --- Filt Filter name 38- 42 F5.2 10+20cm-2 NH Hydrogen column density 44- 47 F4.1 ks ExpTimePN ?=- PN instrument exposition time 49- 52 F4.1 ks ExpTimeM1 ?=- MOS1 instrument exposition time 54- 73 A20 --- Field Field name
Byte-by-byte Description of file: table[23].dat
Bytes Format Units Label Explanations
1- 2 I2 --- [GGK2005] Identification number 4- 5 I2 h RAh X-ray Right ascension (J2000) 7- 8 I2 min RAm X-ray Right ascension (J2000) 10- 14 F5.2 s RAs X-ray Right ascension (J2000) 16 A1 --- DE- X-ray Declination sign (J2000) 17- 18 I2 deg DEd X-ray Declination (J2000) 20- 21 I2 arcmin DEm X-ray Declination (J2000) 23- 27 F5.2 arcsec DEs X-ray Declination (J2000) 29- 33 F5.2 mag rmag SDSS r optical magnitude 35 A1 --- l_Prob Limit flag on Prob 36- 39 F4.2 % Prob Probability the optical counterpart is a spurious alignment 41- 43 F3.1 arcsec DXO X-ray/optical position offset 45- 48 F4.2 10-17W/m2 FX Absorbed X-ray flux in the 0.5-8keV spectral band 50- 53 F4.2 10-17W/m2 e_FX rms uncertainty on FX 55 A1 --- l_HR Limit flag on HR 56- 60 F5.2 --- HR Hardness ratio derived in the 0.5-2 and 2-8keV bands 62- 65 F4.2 --- e_HR ? rms uncertainty on HR 67- 71 F5.2 --- log(FX/Fo) X-ray-to-optical flux ratio 73- 77 F5.3 --- z Spectroscopic or photometric redshift 78- 79 A2 --- n_z [bc ] Note on z (1) 81- 85 F5.2 10+34W logLX Logarithmic 0.5-8keV X-ray luminosity 87 A1 --- Sp Spectral features (2) 88 A1 --- u_Sp [*] * denotes ambiguous SDSS spectral classification
Note (1): Note on redshift as follows: b = Source at the same redshift as the target of the XMM-Newton pointing c = Photometric redshift from the SDSS Note (2): Spectral type as follows: A = absorption lines E = narrow emission lines C = both narrow emission and absorption lines
History: From electronic version of the journal
(End) Patricia Vannier [CDS] 19-Apr-2006
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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