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J/A+A/366/481       ATCA/VLA OH 1612 MHz survey. III.        (Sevenster+, 2001)

The ATCA/VLA OH 1612 MHz survey. III. Observations of the Northern Galactic Plane. Sevenster M.N., van Langevelde H.J., Moody R.A., Chapman J.M., Habing H.J., Killeen N.E.B. <Astron. Astrophys. 366, 481 (2001)> =2001A&A...366..481S
ADC_Keywords: Masers ; Radio lines Keywords: surveys - techniques: image processing - stars: AGB and post-AGB - radio lines: stars - Galaxy: stellar content Abstract: We present observations of the region between 5°≤l≤45° and |b|≤3°, in the OH 1612.231MHz line, taken from 1993 to 1995 with NRAO's Very Large Array (VLA). These observations are the last part of a larger survey, covering |l|≤45° and |b|≤3°, with the Australia Telescope Compact Array (ATCA) and the VLA. The region was systematically observed on a 30'x30' grid in (l,b) and the resulting coverage was 92%, with 965 pointings. We found 286 OH-masing objects, 161 of which are new detections and 207 have reliable IRAS point-source identifications. The outflow velocity was determined for 276 sources. A total of 766 sources were detected in the combined ATCA/VLA survey, of which 29 were detected in two regions of the survey. Description: File table2 contains information on the compact OH-maser sources detected in the northern galactic Disk region with the Very Large Array. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table2.dat 138 286 Compact OH-maser sources in the northern Galactic disk region table2.tex 350 342 LaTeX version of table2
See also: J/A+AS/122/79 : Galactic Bulge Region OH 1612MHz survey. I. (Sevenster+ 1997) J/A+AS/124/509 : ATCA/VLA OH 1612 MHz survey. II. (Sevenster+ 1997) Table 1 : All observing runs, with array configuration, RFI type, maximum baseline length (ranging with observing direction and time of day) and number of useful fields in the run. -------------------------------------------------------------------------------- Date Array RFI types (1) UVMax N -------------------------------------------------------------------------------- 200293 AB G 75-110 73 080693 BC W, G, S206 30-37 71 090693 C W, G, S206 16-18 70 100693 C G 17-18 70 310893 C G, S226 7-12 73 020993 CD W, G 7-12 46 090993 CD W, G, S226 7-12 72 210594 AB W, G, S210 100-120 38 260594 AB W, G 70-120 69 280594 AB W, G, S200204 75-120 73 310594 AB W, G, S208 80-120 62 010694 AB W, G 75-105 59 030694 AB G 55 13 160994 BC W, G, S208225 25-37 62 210994 BC G, W 25-37 70 220994 BC G, W 24-37 74 210695 A W, G 180-200 51 -------------------------------------------------------------------------------- Note (1): Three kinds of RFI corrupted the data during most of the observing dates. One was the usual broad-band Glonass RFI (G), often accompanied by a single-channel spike (S, sub-/superscripts indicating channel of spike). The third was interference from a nearby military base (W), depending in strength on u-v direction rather than baseline length, which saturated the correlator to give non-random noise characteristics. Byte-by-byte Description of file: table2.dat
Bytes Format Units Label Explanations
1- 3 I3 --- Seq Source number 5- 20 A16 --- Name Name in the OHl-b convention (offset 2000) 22- 27 I6 "DDMMYY" Obs ?=000000 Date of observation (1) 29- 30 I2 h RAh Right ascension of the brightest peak (J2000) 32- 33 I2 min RAm Right ascension of the brightest peak (J2000) 35- 40 F6.3 s RAs Right ascension of the brightest peak (J2000) 42 A1 --- DE- Declination sign of the brightest peak (J2000) 43- 44 I2 deg DEd Declination of the brightest peak (J2000) 46- 47 I2 arcmin DEm Declination of the brightest peak (J2000) 49- 53 F5.2 arcsec DEs Declination of the brightest peak (J2000) 55- 59 F5.3 arcsec errPos ? Formal measurement error in position 60 A1 --- n_errPos [N] N: undetermined errPos 61- 64 F4.1 arcmin Offset Radial offset of the source from pointing centre 66- 71 F6.1 km/s VL Line-of-sight velocity with respect to the LSR of the blue-shifted peak 73- 78 F6.1 km/s VH ? Line-of-sight velocity with respect to the LSR of the red-shifted peak (absent for single-peaked sources) 80- 85 F6.1 km/s VC Stellar velocity (average of red- and blue-shifted velocities) 87- 90 F4.1 km/s VE Outflow velocity (half the peak separation; zero for single-peaked sources) 92- 97 F6.3 Jy FpL Flux density of the blue-shifted peak 99-105 F7.3 Jy FpH ? Flux density of the red-shifted peak 107 A1 --- n_Fpeak [*] *: sources for which there is an extra calibration error in the flux density 109-113 F5.1 Jy e_Fpeak ? Formal measurement error in flux density 114 A1 --- neFpeak [N*] N: Errors were undetermined 115-117 I3 mJy Rms Empirical noise in `empty' cube 119 A1 --- Flag [*+x-] OH identification symbol (2) 121-130 A10 --- IRAS IRAS point source with highest identification probability N 132-138 F7.3 --- N Ratio between the size of the error ellipse of, and the distance to, the IRAS PS, in the direction of the OH position
Note (1): Date `000000' means data were taken during more than one observing run Note (2): OH identification symbols: *: ATCA Bulge survey x: te Lintel H. et al., 1989A&AS...78..399T +: other identification -: no previous identification
Acknowledgements: Maartje Sevenste
(End) Patricia Bauer [CDS] 14-Nov-2000
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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