W33A: Difference between revisions
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Importing Wikidata short description: "Protostar in the constellation Sagittarius" |
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{{Short description|Protostar in the constellation Sagittarius}} |
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| ⚫ | '''W33A''' is a [[protostar]] located approximately 12,000 light-years away from Earth, in the constellation [[Sagittarius (constellation)|Sagittarius]]. As a star in the early stages of formation, |
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{{Starbox short |
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| name = W33A |
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| constell = [[Sagittarius (constellation)|Sagittarius]] |
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| ra = {{RA|18|14|39.5}}<ref name=SIMBAD>{{cite simbad|title=W 33A}}</ref> |
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| dec = {{DEC|-17|52|02.2}}<ref name=SIMBAD/> |
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| Simbad = W+33A |
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}} |
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| ⚫ | '''W33A''' is a [[protostar]] located approximately 12,000 light-years away from Earth, in the constellation [[Sagittarius (constellation)|Sagittarius]]. As a star in the early stages of formation, so has attracted the interest of astronomers, who observed that while the protostar is accumulating material from surrounding clouds of gas and dust, it is simultaneously ejecting fast moving jets of particles from its north and south poles.<ref>[http://sciencenow.sciencemag.org/cgi/content/full/2010/127/3 A Master Blueprint for Making Stars], Science NOW Daily News, 27 January 2010</ref> |
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==References== |
==References== |
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==External links== |
==External links== |
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*[http://adsabs.harvard.edu/abs/2000ApJ...536..347G An Inventory of Interstellar Ices toward the Embedded Protostar W33A], by Gibb, E. L.; Whittet, D. C. B.; Schutte, W. A.; Boogert, A. C. A.; Chiar, J. E.; Ehrenfreund, P.; Gerakines, P. A.; Keane, J. V.; Tielens, A. G. G. M.; van Dishoeck, E. F.; and Kerkhof, O., The Astrophysical Journal, Volume 536, Issue 1, pp. |
*[http://adsabs.harvard.edu/abs/2000ApJ...536..347G An Inventory of Interstellar Ices toward the Embedded Protostar W33A], by Gibb, E. L.; Whittet, D. C. B.; Schutte, W. A.; Boogert, A. C. A.; Chiar, J. E.; Ehrenfreund, P.; Gerakines, P. A.; Keane, J. V.; Tielens, A. G. G. M.; van Dishoeck, E. F.; and Kerkhof, O., The Astrophysical Journal, Volume 536, Issue 1, pp. 347–356, DOI: 10.1086/308940, Harvard University |
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| ⚫ | *[http://www.iop.org/EJ/abstract/1538-4357/671/2/L169 VLTI/MIDI 10 μm Interferometry of the Forming Massive Star W33A], by W. J. de Wit1, M. G. Hoare1, R. D. Oudmaijer1 and J. C. Mottram1, 2007 ApJ 671 L169-L172, {{doi|10.1086/525253}}, School of Physics and Astronomy, University of Leeds, Leeds LS2 9JT, UK |
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{{Stars of Sagittarius}} |
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| ⚫ | *[http://www.iop.org/EJ/abstract/1538-4357/671/2/L169 VLTI/MIDI 10 μm Interferometry of the Forming Massive Star W33A], by W. J. de Wit1, M. G. Hoare1, R. D. Oudmaijer1 and J. C. Mottram1, 2007 ApJ 671 L169-L172, |
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{{Sky|18|14|39.5|-|17|52|02.2}} |
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[[Category:Protostars]] |
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[[Category:Sagittarius (constellation)]] |
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Latest revision as of 23:30, 2 November 2023
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Sagittarius |
| Right ascension | 18h 14m 39.5s[1] |
| Declination | −17° 52′ 02.2″[1] |
| Database references | |
| SIMBAD | data |
W33A is a protostar located approximately 12,000 light-years away from Earth, in the constellation Sagittarius. As a star in the early stages of formation, so has attracted the interest of astronomers, who observed that while the protostar is accumulating material from surrounding clouds of gas and dust, it is simultaneously ejecting fast moving jets of particles from its north and south poles.[2]
References
[edit]- ^ a b "W 33A". SIMBAD. Centre de données astronomiques de Strasbourg.
- ^ A Master Blueprint for Making Stars, Science NOW Daily News, 27 January 2010
External links
[edit]- An Inventory of Interstellar Ices toward the Embedded Protostar W33A, by Gibb, E. L.; Whittet, D. C. B.; Schutte, W. A.; Boogert, A. C. A.; Chiar, J. E.; Ehrenfreund, P.; Gerakines, P. A.; Keane, J. V.; Tielens, A. G. G. M.; van Dishoeck, E. F.; and Kerkhof, O., The Astrophysical Journal, Volume 536, Issue 1, pp. 347–356, DOI: 10.1086/308940, Harvard University
- VLTI/MIDI 10 μm Interferometry of the Forming Massive Star W33A, by W. J. de Wit1, M. G. Hoare1, R. D. Oudmaijer1 and J. C. Mottram1, 2007 ApJ 671 L169-L172, doi:10.1086/525253, School of Physics and Astronomy, University of Leeds, Leeds LS2 9JT, UK
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