25 results
Filling factor and temperature variations in planetary nebulae
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- Journal:
- Proceedings of the International Astronomical Union / Volume 7 / Issue S283 / July 2011
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- 30 August 2012, pp. 468-469
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- July 2011
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Chemical evolution models for NGC 6822 using planetary nebulae abundances
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- Proceedings of the International Astronomical Union / Volume 7 / Issue S283 / July 2011
- Published online by Cambridge University Press:
- 30 August 2012, pp. 386-387
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- July 2011
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He I temperatures in planetary nebulae
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- Journal:
- Proceedings of the International Astronomical Union / Volume 7 / Issue S283 / July 2011
- Published online by Cambridge University Press:
- 30 August 2012, pp. 466-467
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- July 2011
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What is 4He from H II regions? What needs to be done to better understand the systematic errors?
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- Proceedings of the International Astronomical Union / Volume 5 / Issue S268 / November 2009
- Published online by Cambridge University Press:
- 23 April 2010, pp. 163-167
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- November 2009
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On the total O/H abundance ratio in Galactic and extragalactic H ii regions
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- Proceedings of the International Astronomical Union / Volume 5 / Issue S268 / November 2009
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- 23 April 2010, pp. 185-186
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- November 2009
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Measurements of 4He in metal-poor extragalactic H ii regions: the primordial Helium abundance and the ΔY/ΔO ratio
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- Proceedings of the International Astronomical Union / Volume 5 / Issue S268 / November 2009
- Published online by Cambridge University Press:
- 23 April 2010, pp. 91-100
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- November 2009
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Temperature Variations and Chemical Abundances in Planetary Nebulae
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- Proceedings of the International Astronomical Union / Volume 2 / Issue S234 / April 2006
- Published online by Cambridge University Press:
- 15 December 2006, pp. 227-234
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- April 2006
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High-Resolution Spectroscopy of PB 6
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- Proceedings of the International Astronomical Union / Volume 2 / Issue S234 / April 2006
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- 15 December 2006, pp. 479-480
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- April 2006
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Chemical abundances of the H II regions NGC 5461 and NGC 5471 in M 101, Derived from echelle spectrophotometry
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- Symposium - International Astronomical Union / Volume 212 / 2003
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- 26 May 2016, pp. 730-731
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- 2003
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Temperature Variations and Abundance Determinations in Planetary Nebulae
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- Journal:
- Symposium - International Astronomical Union / Volume 209 / 2003
- Published online by Cambridge University Press:
- 26 May 2016, pp. 363-370
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- 2003
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The Magellanic Clouds and the Primordial Helium Abundance
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- Symposium - International Astronomical Union / Volume 198 / 2000
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- 25 May 2016, pp. 194-203
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- 2000
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Photo-ionization models of NGC 2363 and their implications
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- Symposium - International Astronomical Union / Volume 193 / 1999
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- 25 May 2016, pp. 487-488
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- 1999
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Abundance Determinations
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- The Analysis of Emission Lines
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- 23 November 2009
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- 19 October 1995, pp 165-179
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Composition Gradients in Spiral Galaxies
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- Journal:
- Highlights of Astronomy / Volume 10 / 1995
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- 30 March 2016, pp. 486-489
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- 1995
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Abundances of HII Regions and the Chemical Evolution of Galaxies
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- Violent Star Formation
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- 10 November 2010
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- 22 September 1994, pp 79-93
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Planetary Nebula Birth Rates in the Galaxy and Other Galaxies
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- Symposium - International Astronomical Union / Volume 155 / 1993
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- 07 August 2017, pp. 523-532
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- 1993
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The Planetary Nebula Phase
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- Journal:
- Highlights of Astronomy / Volume 9 / 1992
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- 30 March 2016, pp. 627-629
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- 1992
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Comments on the Applications of Planetary Nebulae Research
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- Symposium - International Astronomical Union / Volume 131 / 1989
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- 19 July 2016, pp. 577-587
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- 1989
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Preface
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- Symposium - International Astronomical Union / Volume 115 / 1987
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- 04 August 2017, pp. xix-xx
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- 1987
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The Magellanic Clouds and Planetary Nebulae
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- Symposium - International Astronomical Union / Volume 108 / 1984
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- 04 August 2017, pp. 363-374
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- 1984
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