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J/A+A/412/657    CO in cooling flow of clusters of galaxies   (Salome+, 2003)

Cold molecular gas in cooling flow clusters of galaxies. Salome P., Combes F. <Astron. Astrophys. 412, 657 (2003)> =2003A&A...412..657S
ADC_Keywords: Clusters, galaxy ; Redshifts ; Carbon monoxide Keywords: galaxies: clusters: general - galaxies: cooling flows - galaxies: ISM Abstract: The results of a CO line survey in central cluster galaxies with cooling flows are presented. Cold molecular gas is detected with the IRAM 30m telescope, through CO(1-0) and CO(2-1) emission lines in 6-10 among 32 galaxies. The corresponding gas masses are between 3x108 and 4x1010M_☉. These results are in agreement with recent CO detections by Edge (2001MNRAS.328..762E). A strong correlation between the CO emission and the Hα luminosity is also confirmed. Cold gas exists in the center of cooling flow clusters and these detections may be interpreted as evidence of the long searched for very cold residual of the hot cooling gas. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table1.dat 68 32 Sample of cooling flow clusters of galaxies observed with the IRAM 30m telescope. table23.dat 73 55 Summary of observational data for the two runs (tables 2 and 3 of the paper) table4.dat 71 32 Derived parameters of the observed sources
Byte-by-byte Description of file: table1.dat
Bytes Format Units Label Explanations
1- 12 A12 --- Source Source name 13 A1 --- n_Source [*] *: Sources observed in the second run (August) 15- 21 F7.5 --- z Redshift 23- 24 I2 h RAh Right ascension (J2000) 26- 27 I2 min RAm Right ascension (J2000) 29- 32 F4.1 s RAs Right ascension (J2000) 34 A1 --- DE- Declination sign (J2000) 35- 36 I2 deg DEd Declination (J2000) 38- 39 I2 arcmin DEm Declination (J2000) 41- 44 F4.1 arcsec DEs Declination (J2000) 46- 51 F6.2 GHz Freq1 Central frequency in CO(1-0) 54- 56 I3 min ExpTime1 Exposure time in in CO(1-0) 58- 63 F6.2 GHz Freq2 ? Central frequency in CO(2-1) 65- 67 I3 min ExpTime2 ? Exposure time in in CO(2-1)
Byte-by-byte Description of file: table23.dat
Bytes Format Units Label Explanations
1- 12 A12 --- Source Source name 13 A1 --- n_Source [*] *: Sources observed in the second run (August) 14- 20 A7 --- Line Line (CO(1-0) or CO(2-1)) 22- 25 F4.1 mK Peak ? Peak of the Gaussian fit 28- 31 F4.2 mK e_Peak ? rms uncertainty on Peak 33- 36 F4.2 mK rms rms of the Gaussian fit 38- 41 A4 --- f_Line Line detection flag 43- 46 I4 km/s LinePos ? Line position 49- 50 I2 km/s e_LinePos ? rms uncertainty on LinePos 52- 54 I3 km/s LineWidth Line width 55 A1 --- n_LineWidth [*] * line width assumed to 300km/s 57- 59 I3 km/s e_LineWidth ? rms uncertainty on LineWidth 61- 62 A2 --- l_ICO [≤ ] Limit flag on ICO 63- 66 F4.2 K.km/s ICO CO intensity 68- 72 F5.3 K.km/s e_ICO ? rms uncertainty on ICO
Byte-by-byte Description of file: table4.dat
Bytes Format Units Label Explanations
1- 12 A12 --- Source Source name 14- 15 A2 --- l_M(H2) [≤ ] Limit flag on M(H2) 16- 22 E7.2 solMass M(H2) H2 mass 24- 30 E7.2 solMass e_M(H2) ? rms uncertainty on M(H2) 32- 39 E8.2 solMass Mdust ? Dust mass (1) 41- 47 E7.2 10-7W L(Ha) ? Hα luminosity, from Crawford et al., 1999MNRAS.306..857C 49- 52 I4 solMass/yr dM/dt ? Mass loss rate from Peres et al., 1998MNRAS.298..416P 54- 56 I3 kpc Rcool ? Cooling radius from Peres et al., 1998MNRAS.298..416P 58- 60 I3 solMass/yr dM/dt2 ? Mass loss rate from White et al., 1997MNRAS.292..419W 62- 64 I3 kpc Rcool2 ? Cooling radius from White et al., 1997MNRAS.292..419W 66- 70 I5 mJy F1.4GHz ? Flux density at 1.4GHz
Note (1): Dust masses are evaluated from 60µm data compiled in Edge (2001MNRAS.328..762E), assuming Tdust=35K.
History: From electronic version of the journal
(End) Patricia Bauer [CDS] 09-Dec-2003
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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