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J/MNRAS/301/203 408-MHz variability study (Riley+ 1998)
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A 408-MHz variability study of two fields in the region 06:30 +45{deg}
Riley J.M., Green D.A.
<Mon. Not. R. Astron. Soc. 301, 203 (1998)>
=1998MNRAS.301..203R (SIMBAD/NED BibCode)
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ADC_Keywords: Radio sources
Keywords: catalogues - surveys - radio continuum: general
Abstract:
Variability in 408MHz flux density, over a 1yr interval between 1995
and 1996, has been investigated using the DRAO Synthesis Telescope for
a complete sample of 322 sources with S(408MHz)>80mJy at galactic
b=15{deg}; four sources are found to show significant flux density
variations.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
67p.dat 54 485 Source list at 408 MHz
68p.dat 54 466 Source list at 408 MHz
69p.dat 61 266 Source list at 1420 MHz
70p.dat 61 249 Source list at 1420 MHz
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See also:
http://www.mrao.cam.ac.uk/surveys/varies/index.html : MRAO Surveys
and Catalogues
VIII/55 : DRAO Penticton P-survey Database (Caswell+, 1983-1987)
J/MNRAS/274/324 : 51P, 52P, 53P and 54P sources
J/MNRAS/246/169 : 14P and 15P sources
J/A+A/241/551 : 18P and 19P sources
J/A+AS/77/31 : 20P and 21P sources
J/A+AS/115/345 : 32P and 33P sources
Byte-by-byte Description of file: 67p.dat, 68p.dat
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Bytes Format Units Label Explanations
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1- 3 A3 --- Survey Survey designation
4- 6 I3 ---- Seq Sequential number in the survey
9- 10 I2 h RAh Right ascension (B1950.0)
12- 13 I2 min RAm Right ascension (B1950.0)
15- 18 F4.1 s RAs Right ascension (B1950.0)
20 A1 --- DE- Declination sign (B1950.0)
21- 22 I2 deg DEd Declination (B1950.0)
24- 25 I2 arcmin DEm Declination (B1950.0)
27- 28 I2 arcsec DEs Declination (B1950.0)
30- 34 I5 mJy S408pk Peak flux density at 408MHz
36- 40 I5 mJy I408int ? Integrated flux density at 408MHz
41 A1 --- n_I408int [*] Note on I408int (1)
44- 47 F4.2 --- PBC Primary beam correction
50- 54 F5.1 --- S/N Signal/noise ratio of the source
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Note (1): *: two or more peaks have been integrated together
A few sources do not have integrated flux densities, as they are
near bright sources, or on grating ring
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Byte-by-byte Description of file: 69p.dat, 70p.dat
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Bytes Format Units Label Explanations
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1- 3 A3 --- Survey Survey designation
4- 6 I3 ---- Seq Sequential number in the survey
9- 10 I2 h RAh Right ascension (B1950.0)
12- 13 I2 min RAm Right ascension (B1950.0)
15- 19 F5.2 s RAs Right ascension (B1950.0)
21 A1 --- DE- Declination sign (B1950.0)
22- 23 I2 deg DEd Declination (B1950.0)
25- 26 I2 arcmin DEm Declination (B1950.0)
28- 31 F4.1 arcsec DEs Declination (B1950.0)
34- 39 F6.1 mJy S1420pk Peak flux density
42- 47 F6.1 mJy I1420int ? Integrated flux density
48 A1 --- n_I1420int [*] Note on I1420int (1)
51- 54 F4.2 --- PBC Primary beam correction
57- 61 F5.1 --- S/N Signal/noise ratio of the source
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Note (1): *: two or more peaks have been integrated together
A few sources do not have integrated flux densities, as they are
near bright sources, or on grating ring
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History: Copied at http://www.mrao.cam.ac.uk/surveys/varies/index.html
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(End) Patricia Bauer [CDS] 04-Dec-1998