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J/PASP/120/339      Nasu Radio-Transient Search Project      (Takefuji+, 2008)

Two 1.4 GHz sky atlases at declination 32° to 42° in Nasu Radio-Transient Search Project. Takefuji K., Asuma K., Kuniyoshi M., Matsumura N., Niinuma K., Kida S., Nakamura R., Tanaka T., Suzuki S., Ishikawa S., Aoki T., Hirano K., Daishido T. <Publ. Astron. Soc. Pac., 120, 339-347 (2008)> =2008PASP..120..339T
ADC_Keywords: Radio sources Abstract: We present results of two 1.4GHz radio surveys of a +32°<DE<+42° area with four interferometers in the Nasu Radio-Transient Search Project. The observable area was 7.0% of the whole sky. The surveys were carried out between 2004 and 2005. All observed interferometric data were transformed to color images to construct color atlases of the 1.4GHz sky. From these atlases, 144 radio sources were detected by comparison with the 1.4GHz NRAO VLA Sky Survey Catalog, excluding the Cygnus region. The observed data will be used in a transient search alert system. Description: Eight 20m diameter spherical antennas at the Nasu Observatory were fixed. Each 20m dish antenna is of the drift-scan type. The first survey was carried out from 2004 May to 2004 August with four interferometers at the Nasu Observatory. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table2.dat 54 126 Identified radio sources compared with 1Jy NVSS database table3.dat 63 41 *Radio sources that were detected as an overlapped radio source table4.dat 51 31 Radio sources that could not be detected table5.dat 51 38 *Highly crowded radio sources located in Cygnus region
Note on table3.dat: The radio sources were too close to identify separately, and for that reason they were overlapped and counted as one radio source. Note on table5.dat: The Cygnus region could be seen in our color map, but it is difficult to distinguish these overlapped radio sources.
See also: VIII/65 : 1.4GHz NRAO VLA Sky Survey (NVSS) (Condon+ 1998) Byte-by-byte Description of file: table2.dat
Bytes Format Units Label Explanations
1- 14 A14 --- NVSS Name (JHHMMSS+DDMMSS) 17- 18 I2 h lineRAh ? Detected line Right ascension (J2000) (1) 20- 21 I2 min lineRAm ? Detected line Right ascension (J2000) (1) 23- 24 I2 s lineRAs ? Detected line Right ascension (J2000) (1) 26- 30 F5.1 deg lineDEdeg Detected line Declination (J2000) (1) 31 A1 --- --- [~] 32- 36 F5.1 deg line2DEdeg ? Second detected line Declination (J2000) (1) 42- 48 F7.1 mJy S1.4GHz NVSS 1.4GHz flux density 50- 54 F5.1 deg linerDEdeg ? Line declination reference when two declinations (1)
Note (1): Each observation had an error box approximately ±20s for R.A. and ±0.4° for declination.
Byte-by-byte Description of file: table3.dat
Bytes Format Units Label Explanations
1- 14 A14 --- NVSS Name (JHHMMSS+DDMMSS) 17- 18 I2 h RAh NVSS Right ascension (J2000) 20- 21 I2 min RAm NVSS Right ascension (J2000) 23- 27 F5.2 s RAs NVSS Right ascension (J2000) 29 A1 --- DE- NVSS Declination sign (J2000) 30- 31 I2 deg DEd NVSS Declination (J2000) 33- 34 I2 arcmin DEm NVSS Declination (J2000) 36- 39 F4.1 arcsec DEs NVSS Declination (J2000) 41- 46 F6.1 mJy S1.4GHz NVSS 1.4GHz flux density 49- 53 F5.1 deg line1DEdeg ? Detected line declination 55- 59 F5.1 deg line2DEdeg ? Second detected line declination 61- 63 I3 deg line3DEdeg ? Third detected line declination
Byte-by-byte Description of file: table[45].dat
Bytes Format Units Label Explanations
1- 14 A14 --- NVSS Name (JHHMMSS+DDMMSS) 15 A1 --- n_NVSS [a] Cyg A source (1) 17- 18 I2 h RAh NVSS Right ascension (J2000) 20- 21 I2 min RAm NVSS Right ascension (J2000) 23- 27 F5.2 s RAs NVSS Right ascension (J2000) 29 A1 --- DE- NVSS Declination sign (J2000) 30- 31 I2 deg DEd NVSS Declination (J2000) 33- 34 I2 arcmin DEm NVSS Declination (J2000) 36- 39 F4.1 arcsec DEs NVSS Declination (J2000) 41- 48 F8.1 mJy S1.4GHz NVSS 1.4GHz flux density 51 A1 --- Note [*] Non-observable source (2)
Note (1): Flagged sources are also known as Cyg A. Cyg A could be identified by our assembled color map. Note (2): '*' shows a radio source that is not located in our observable area. Actually, another 11 radio sources could not be detected.
History: From electronic version of the journal
(End) Patricia Vannier [CDS] 28-Apr-2008
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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