A high sensitivity HI survey of the sky at

Final data release

¹ Instituto Argentino de Radioastronomía, c.c. 5, (1894) Villa Elisa, Argentina e-mail: [bajaja;arnal]@iar.unlp.edu.ar; rimorras@isis.unlp.edu.ar; wpoeppel@iar.unlp.edu.ar
² Facultad de Ciencias Astronómicas y Geofísicas, UNLP, Av. Paseo del Bosque, s/n, 1900 La Plata, Argentina
³ Radioastronomisches Institut der Universität Bonn, Auf dem Hügel 71, 53121 Bonn, Germany e-mail: pkalberla@astro.uni-bonn.de

Received: 19 August 2004
Accepted: 3 March 2005

Abstract

We present the final data release of the high sensitivity λ 21-cm neutral hydrogen survey of the sky south of . A total of 50 980 positions lying on a galactic coordinate grid with points spaced by () = (05/cos b, 05) were observed with the 30-m dish of the Instituto Argentino de Radioastronomía (IAR). The angular resolution of the survey is HPBW = 05 and the velocity coverage spans the interval -450  to +400  (LSR). The velocity resolution is 1.27  and the final rms noise of the entire database is 0.07 K. The data are corrected for stray radiation and converted to brightness temperatures.