A high sensitivity HI survey of the sky at δ ≤ -25°
- Autores
- Arnal, Edmundo Marcelo; Bajaja, Esteban; Larrarte, Juan José; Morras, Ricardo; Pöppel, W. G. L.
- Año de publicación
- 2000
- Idioma
- inglés
- Tipo de recurso
- reseña artículo
- Estado
- versión publicada
- Descripción
- This paper reports on a high sensitivity λ 21-cm neutral hydrogen survey of the sky south of δ ≤ -25°. A total of 50980 positions lying on a galactic coordinate grid with points spaced by (Δl, Δb) = (0°.5/cos b, 0°.5), were observed with the 30 m dish of the Instituto Argentino de Radioastronomía (IAR). The angular resolution of the survey is HPBW = 30′, and the velocity coverage spans the interval -450 km s-1 to +400 km s-1 (LSR). The velocity resolution is 1.27 km s-1 and the final rms noise of the entire database is ∼ 0.07 K. The brightness temperature scale is accurate to 5%.
Instituto Argentino de Radioastronomía
Facultad de Ciencias Astronómicas y Geofísicas - Materia
-
Ciencias Astronómicas
Galaxy: general
ISM: clouds
ISM: general
Radio lines: ISM
Surveys - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- http://creativecommons.org/licenses/by-nc-sa/4.0/
- Repositorio
.jpg)
- Institución
- Universidad Nacional de La Plata
- OAI Identificador
- oai:sedici.unlp.edu.ar:10915/84981
Ver los metadatos del registro completo
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A high sensitivity HI survey of the sky at δ ≤ -25°Arnal, Edmundo MarceloBajaja, EstebanLarrarte, Juan JoséMorras, RicardoPöppel, W. G. L.Ciencias AstronómicasGalaxy: generalISM: cloudsISM: generalRadio lines: ISMSurveysThis paper reports on a high sensitivity λ 21-cm neutral hydrogen survey of the sky south of δ ≤ -25°. A total of 50980 positions lying on a galactic coordinate grid with points spaced by (Δl, Δb) = (0°.5/cos b, 0°.5), were observed with the 30 m dish of the Instituto Argentino de Radioastronomía (IAR). The angular resolution of the survey is HPBW = 30′, and the velocity coverage spans the interval -450 km s-1 to +400 km s-1 (LSR). The velocity resolution is 1.27 km s-1 and the final rms noise of the entire database is ∼ 0.07 K. The brightness temperature scale is accurate to 5%.Instituto Argentino de RadioastronomíaFacultad de Ciencias Astronómicas y Geofísicas2000info:eu-repo/semantics/reviewinfo:eu-repo/semantics/publishedVersionRevisionhttp://purl.org/coar/resource_type/c_dcae04bcinfo:ar-repo/semantics/resenaArticuloapplication/pdf35-40http://sedici.unlp.edu.ar/handle/10915/84981enginfo:eu-repo/semantics/altIdentifier/issn/0365-0138info:eu-repo/semantics/altIdentifier/doi/10.1051/aas:2000134info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-10-22T16:57:07Zoai:sedici.unlp.edu.ar:10915/84981Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-10-22 16:57:08.009SEDICI (UNLP) - Universidad Nacional de La Platafalse |
| dc.title.none.fl_str_mv |
A high sensitivity HI survey of the sky at δ ≤ -25° |
| title |
A high sensitivity HI survey of the sky at δ ≤ -25° |
| spellingShingle |
A high sensitivity HI survey of the sky at δ ≤ -25° Arnal, Edmundo Marcelo Ciencias Astronómicas Galaxy: general ISM: clouds ISM: general Radio lines: ISM Surveys |
| title_short |
A high sensitivity HI survey of the sky at δ ≤ -25° |
| title_full |
A high sensitivity HI survey of the sky at δ ≤ -25° |
| title_fullStr |
A high sensitivity HI survey of the sky at δ ≤ -25° |
| title_full_unstemmed |
A high sensitivity HI survey of the sky at δ ≤ -25° |
| title_sort |
A high sensitivity HI survey of the sky at δ ≤ -25° |
| dc.creator.none.fl_str_mv |
Arnal, Edmundo Marcelo Bajaja, Esteban Larrarte, Juan José Morras, Ricardo Pöppel, W. G. L. |
| author |
Arnal, Edmundo Marcelo |
| author_facet |
Arnal, Edmundo Marcelo Bajaja, Esteban Larrarte, Juan José Morras, Ricardo Pöppel, W. G. L. |
| author_role |
author |
| author2 |
Bajaja, Esteban Larrarte, Juan José Morras, Ricardo Pöppel, W. G. L. |
| author2_role |
author author author author |
| dc.subject.none.fl_str_mv |
Ciencias Astronómicas Galaxy: general ISM: clouds ISM: general Radio lines: ISM Surveys |
| topic |
Ciencias Astronómicas Galaxy: general ISM: clouds ISM: general Radio lines: ISM Surveys |
| dc.description.none.fl_txt_mv |
This paper reports on a high sensitivity λ 21-cm neutral hydrogen survey of the sky south of δ ≤ -25°. A total of 50980 positions lying on a galactic coordinate grid with points spaced by (Δl, Δb) = (0°.5/cos b, 0°.5), were observed with the 30 m dish of the Instituto Argentino de Radioastronomía (IAR). The angular resolution of the survey is HPBW = 30′, and the velocity coverage spans the interval -450 km s-1 to +400 km s-1 (LSR). The velocity resolution is 1.27 km s-1 and the final rms noise of the entire database is ∼ 0.07 K. The brightness temperature scale is accurate to 5%. Instituto Argentino de Radioastronomía Facultad de Ciencias Astronómicas y Geofísicas |
| description |
This paper reports on a high sensitivity λ 21-cm neutral hydrogen survey of the sky south of δ ≤ -25°. A total of 50980 positions lying on a galactic coordinate grid with points spaced by (Δl, Δb) = (0°.5/cos b, 0°.5), were observed with the 30 m dish of the Instituto Argentino de Radioastronomía (IAR). The angular resolution of the survey is HPBW = 30′, and the velocity coverage spans the interval -450 km s-1 to +400 km s-1 (LSR). The velocity resolution is 1.27 km s-1 and the final rms noise of the entire database is ∼ 0.07 K. The brightness temperature scale is accurate to 5%. |
| publishDate |
2000 |
| dc.date.none.fl_str_mv |
2000 |
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info:eu-repo/semantics/review info:eu-repo/semantics/publishedVersion Revision http://purl.org/coar/resource_type/c_dcae04bc info:ar-repo/semantics/resenaArticulo |
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review |
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publishedVersion |
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http://sedici.unlp.edu.ar/handle/10915/84981 |
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eng |
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eng |
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info:eu-repo/semantics/altIdentifier/issn/0365-0138 info:eu-repo/semantics/altIdentifier/doi/10.1051/aas:2000134 |
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http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) |
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