A new survey for high velocity HI detections in the Southern Hemisphere
| Autor: | R. Morras, Edmundo Marcelo Arnal, W. G. L. Pöppel, Esteban Bajaja |
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| Jazyk: | angličtina |
| Rok vydání: | 2000 |
| Předmět: |
Ciencias Astronómicas
Interstellar dynamics High velocity media_common.quotation_subject Ciencias Físicas Interstellar cloud General Physics and Astronomy Astrophysics Surveys Declination ISM: clouds Galactic halo purl.org/becyt/ford/1 [https] halo [Galaxy] Southern Hemisphere media_common Physics ISM: kinematics and dynamics Interstellar clouds Astronomy purl.org/becyt/ford/1.3 [https] kinematics and dynamics [Galaxy] Galaxy Galaxy: halo Astronomía kinematics and dynamics [ISM] Sky Galactic coordinate system Interstellar kinematics Galaxy: kinematics and dynamics clouds [ISM] CIENCIAS NATURALES Y EXACTAS |
| Zdroj: | SEDICI (UNLP) Universidad Nacional de La Plata instacron:UNLP CONICET Digital (CONICET) Consejo Nacional de Investigaciones Científicas y Técnicas instacron:CONICET |
| Popis: | A new high-sensitivity HI survey of the southern sky was made south of Declination -25°, at the Instituto Argentino de Radioastronomía (IAR), on a half-degree grid in galactic coordinates. A total of 50980 positions were observed. One of the goals of this survey was to search for high velocity clouds (HVCs). The HI profiles have been smoothed to a velocity resolution of 8 km s-1. The resulting rms noise falls in the range 0.015 to 0.020 K. We have detected 6848 high velocity (HV) components. Facultad de Ciencias Astronómicas y Geofísicas |
| Databáze: | OpenAIRE |
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