A Hubble Space Telescope/NICMOS view of the prototypical giant HII region NGC604 in M33

We present the first high-spatial-resolution nearinfrared (NIR) imaging of NGC604, obtained with the NICMOS camera onboard the <i>Hubble Space Telescope</i> (HST). These NICMOS broad-band images reveal new NIR point sources, clusters, and diffuse structures. We find an excellent spatial...

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Detalles Bibliográficos
Autores principales: Barbá, Rodolfo Héctor, Maíz Apellániz, Jesús, Pérez, Enrique, Rubio, Mónica, Bolatto, Alberto, Fariña, Cecilia, Bosch, Guillermo Luis, Walborn, Nolan Revere
Formato: Articulo
Lenguaje:Inglés
Publicado: 2009
Materias:
Astronomía
Galaxies: starburst
HII regions
ISM: individual (NGC604)
Messier 33
Stars: red supergiants
Stars: early-type
Stars: formation
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/93909
https://ri.conicet.gov.ar/handle/11336/44104
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-93909
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Astronomía
Galaxies: starburst
HII regions
ISM: individual (NGC604)
Messier 33
Stars: red supergiants
Stars: early-type
Stars: formation
spellingShingle Astronomía
Galaxies: starburst
HII regions
ISM: individual (NGC604)
Messier 33
Stars: red supergiants
Stars: early-type
Stars: formation
Barbá, Rodolfo Héctor
Maíz Apellániz, Jesús
Pérez, Enrique
Rubio, Mónica
Bolatto, Alberto
Fariña, Cecilia
Bosch, Guillermo Luis
Walborn, Nolan Revere
A Hubble Space Telescope/NICMOS view of the prototypical giant HII region NGC604 in M33
topic_facet Astronomía
Galaxies: starburst
HII regions
ISM: individual (NGC604)
Messier 33
Stars: red supergiants
Stars: early-type
Stars: formation
description We present the first high-spatial-resolution nearinfrared (NIR) imaging of NGC604, obtained with the NICMOS camera onboard the <i>Hubble Space Telescope</i> (HST). These NICMOS broad-band images reveal new NIR point sources, clusters, and diffuse structures. We find an excellent spatial correlation between the 8.4 GHz radio continuum and the 2.2 µm nebular emission. Moreover, massive young stellar object candidates appear aligned with these radio peaks, reinforcing the idea that those areas are star-forming regions. Three different scaled OB associations are recognized in the NICMOS images. The brightest NIR sources in our images have properties that suggest that they are red supergiant stars, of which one was previously known. This preliminary analysis of the NICMOS images shows the complexity of the stellar content of the NGC604 nebula.
format Articulo
Articulo
author Barbá, Rodolfo Héctor
Maíz Apellániz, Jesús
Pérez, Enrique
Rubio, Mónica
Bolatto, Alberto
Fariña, Cecilia
Bosch, Guillermo Luis
Walborn, Nolan Revere
author_facet Barbá, Rodolfo Héctor
Maíz Apellániz, Jesús
Pérez, Enrique
Rubio, Mónica
Bolatto, Alberto
Fariña, Cecilia
Bosch, Guillermo Luis
Walborn, Nolan Revere
author_sort Barbá, Rodolfo Héctor
title A Hubble Space Telescope/NICMOS view of the prototypical giant HII region NGC604 in M33
title_short A Hubble Space Telescope/NICMOS view of the prototypical giant HII region NGC604 in M33
title_full A Hubble Space Telescope/NICMOS view of the prototypical giant HII region NGC604 in M33
title_fullStr A Hubble Space Telescope/NICMOS view of the prototypical giant HII region NGC604 in M33
title_full_unstemmed A Hubble Space Telescope/NICMOS view of the prototypical giant HII region NGC604 in M33
title_sort hubble space telescope/nicmos view of the prototypical giant hii region ngc604 in m33
publishDate 2009
url http://sedici.unlp.edu.ar/handle/10915/93909
https://ri.conicet.gov.ar/handle/11336/44104
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