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J/A+AS/143/391 ROSAT HRI catalogue of LMC X-ray sources (Sasaki+, 2000)
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ROSAT HRI catalogue of X-ray sources in the LMC region
Sasaki M., Haberl F., Pietsch W.
<Astron. Astrophys. Suppl. Ser. 143, 391 (2000)>
=2000A&AS..143..391S
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ADC_Keywords: X-ray sources ; Magellanic Clouds
Keywords: catalogues - galaxies: Magellanic Clouds - galaxies: stellar content -
X-rays: galaxies - X-rays: stars
Description:
The ROSAT HRI LMC source catalogue is based on all 543 pointed
observations of the ROSAT HRI between 1990 and 1998 with exposure
times higher than 50 sec. The observations covered a 10 deg x 10 deg
field including the LMC. The catalogue contains 397 X-ray sources.
Sources showing flux variability in ROSAT HRI and PSPC are listed in
Table 1. Table 2 contains HRI sources which were identified with known
objects in other catalogues and literature. Table 3 is a list of new
classifications. The whole source catalogue from HRI observations is
given in Table 4.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 97 26 Variable sources
table2.dat 146 97 Identified sources
table3.dat 132 21 Classified sources
table4.dat 156 397 ROSAT HRI LMC catalogue
refs.dat 209 18 References
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See also:
IX/28 : ROSAT HRI Pointed Observations (1RXH) (ROSAT Team, 1999)
J/A+AS/139/277 : LMC X-ray sources ROSAT PSPC catalogue (Haberl+, 1999)
Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 3 I3 --- HRI HRI source number
5- 10 E6.1 ct/s Hrate HRI count rate
12- 17 E6.1 ct/s Prate ? PSPC count rate
19- 25 F7.1 --- Fquo Fmax/Fmin
27- 33 F7.1 --- redChi reduced Chi square
35- 36 I2 --- dof degrees of freedom
38- 41 I4 --- PNo ? PSPC source number, see Note (G1)
43- 97 A55 --- Remarks Source ID, see Note (1)
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Note (1): < > for new classification.
References between [] are defined in refs.dat file
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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- 3 I3 --- HRI HRI source number
5- 6 I2 h RAh Right ascension J2000
8- 9 I2 min RAm Right ascension J2000
11- 14 F4.1 s RAs Right ascension J2000
16 A1 --- DE- Declination sign J2000
17- 18 I2 deg DEd Declination J2000
20- 21 I2 arcmin DEm Declination J2000
23- 24 I2 arcsec DEs Declination J2000
26- 29 F4.1 arcsec PosErr Positional error
31- 37 F7.1 --- MLexi Existence Likelihood
39- 46 E8.2 ct/s Rate Count rate
48- 55 E8.2 ct/s e_Rate Count rate error
57- 60 F4.1 arcsec Extent Source extent
62- 64 F3.1 arcsec e_Extent Extent error
66- 71 F6.1 --- MLext Extent Likelihood
73- 76 I4 --- PNo ? PSPC source number, see Note (G1)
78- 82 F5.2 --- PHR1 ? Hardness ratio 1 of the PSPC source
84- 87 F4.2 --- e_PHR1 ? Error of hardness ratio 1
88 A1 --- n_PHR1 [*] * when no uncertainty for PHR1 value
90- 94 F5.2 --- PHR2 ? Hardness ratio 2 of the PSPC source
96- 99 F4.2 --- e_PHR2 ? Error of hardness ratio 2
100 A1 --- n_PHR2 [*] * when no uncertainty for PHR2 value
102-145 A44 --- Remarks Source classification, see Note (1)
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Note (1): fg = foreground
Candidates from literature are marked with '?' behind the source class
References between [] are defined in refs.dat file
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Byte-by-byte Description of file: table3.dat
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Bytes Format Units Label Explanations
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1- 3 I3 --- HRI HRI source number
5- 6 I2 h RAh Right ascension J2000
8- 9 I2 min RAm Right ascension J2000
11- 14 F4.1 s RAs Right ascension J2000
16 A1 --- DE- Declination sign J2000
17- 18 I2 deg DEd Declination J2000
20- 21 I2 arcmin DEm Declination J2000
23- 24 I2 arcsec DEs Declination J2000
26- 29 F4.1 arcsec PosErr Positional error
31- 36 F6.1 --- MLexi Existence Likelihood
38- 45 E8.2 ct/s Rate Count rate
47- 54 E8.2 ct/s e_Rate Count rate error
56- 59 F4.1 arcsec Extent Source extent
61- 64 F4.1 arcsec e_Extent Extent error
66- 70 F5.1 --- MLext Extent Likelihood
72- 76 F5.2 --- log(Fx/Fopt) log(Fx/Fopt)
78- 81 I4 --- PNo ? PSPC source number, see Note (G1)
83- 86 F4.2 --- PHR1 ? Hardness ratio 1 of the PSPC source
88- 91 F4.2 --- e_PHR1 ? Error of hardness ratio 1
93- 96 F4.2 --- PHR2 ? Hardness ratio 2 of the PSPC source
98-101 F4.2 --- e_PHR2 ? Error of hardness ratio 2
103-132 A30 --- Remarks Source classification (1)
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Note (1): References between [] are defined in refs.dat file
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Byte-by-byte Description of file: table4.dat
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Bytes Format Units Label Explanations
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1- 3 I3 --- HRI HRI source number
5- 6 I2 h RAh Right ascension J2000
8- 9 I2 min RAm Right ascension J2000
11- 14 F4.1 s RAs Right ascension J2000
16 A1 --- DE- Declination sign J2000
17- 18 I2 deg DEd Declination J2000
20- 21 I2 arcmin DEm Declination J2000
23- 24 I2 arcsec DEs Declination J2000
26- 29 F4.1 arcsec PosErr Positional error
31- 37 F7.1 --- MLexi Existence Likelihood
39- 46 E8.2 ct/s Rate Count rate
48- 55 E8.2 ct/s e_Rate Count rate error
57- 60 F4.1 arcsec Extent Source extent
62- 65 F4.1 arcsec e_Extent Extent error
67- 72 F6.1 --- MLext Extent Likelihood
74 A1 --- Uplim see Note (1)
75- 82 E8.2 ct/s PRate ? PSPC count rate, see Note (1)
84- 87 I4 --- PNo ? PSPC source number, see Note (G1)
89- 93 F5.2 --- PHR1 ? Hardness ratio 1 of the PSPC source
95- 98 F4.2 --- e_PHR1 ? Error of hardness ratio 1
99 A1 --- n_PHR1 [*] * when no uncertainty for PHR1 value
101-105 F5.2 --- PHR2 ? Hardness ratio 2 of the PSPC source
107-110 F4.2 --- e_PHR2 ? Error of hardness ratio 2
111 A1 --- n_PHR2 [*] * when no uncertainty for PHR2 value
113-182 A70 --- Remarks Source classification, see Note (2)
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Note (1): For sources which are listed in the ROSAT PSPC catalogue
(Haberl & Pietsch, 1999, Cat. <J/A+AS/139/277>) PSPC count rates are
taken from the catalogue. Otherwise PSPC count rate is the 2 sigma
upper limit from maximum likelihood algorithm ('<' in column Uplim).
Note (2): fg: foreground
Candidates from literature are marked with '?' behind the source class
New classifications are put in < >
References between [] are defined in refs.dat file
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Byte-by-byte Description of file: refs.dat
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Bytes Format Units Label Explanations
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1- 8 A8 --- Ref Reference code
10- 28 A19 --- BibCode BibCode
30- 83 A54 --- Aut Author names
84-209 A126 --- Com Comments
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Global notes:
Note (G1): PSPC source number from the ROSAT PSPC catalogue
(Haberl & Pietsch, 1999, Cat. <J/A+AS/139/277>)
Acknowledgements: Manami Sasaki <manami@xray.mpe.mpg.de>
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(End) Patricia Bauer [CDS] 03-May-2000