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Virpi Sinikka Niemela
Virpi Sinikka Niemela
Astrónoma, UNLP
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Año
The periodicity of the η Carinae events
A Damineli, DJ Hillier, MF Corcoran, O Stahl, RS Levenhagen, NV Leister, ...
Monthly Notices of the Royal Astronomical Society 384 (4), 1649-1656, 2008
1692008
The binary central star of NGC 2346 and the extinction puzzle
RH Mendez, VS Niemela
Astrophysical Journal, Part 1, vol. 250, Nov. 1, 1981, p. 240-247. 250, 240-247, 1981
1051981
Wolf-Rayet Stars: Observations, Physics, Evolution
VS Niemela, C de Loore, AJ Willis
IAU Symp. 99, 299, 1982
1011982
The supernova 1983k in NGC 4699-clues to the nature of type II progenitors
VS Niemela, MT Ruiz, MM Phillips
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 289, Feb. 1, 1985, p …, 1985
971985
A radial velocity study of three WN stars and an O3f star in the Carina Nebula
PS Conti, VS Niemela, NR Walborn
Astrophysical Journal, Part 1, vol. 228, Feb. 15, 1979, p. 206-219. 228, 206-219, 1979
921979
Hubble Space Telescope Detection of Optical Companions of WR 86, WR 146, and WR 147: Wind Collision Model Confirmed
VS Niemela, MM Shara, DJ Wallace, DR Zurek, AFJ Moffat
The Astronomical Journal 115 (5), 2047, 1998
891998
Sudden Luminous Blue Variable--Like Behavior of the Wolf-Rayet Binary System HD 5980 in the Small Magellanic Cloud
RH Barba, VS Niemela, G Baume, RA Vazquez
Astrophysical Journal Letters v. 446, p. L23 446, L23, 1995
851995
Pismis 24-1: The stellar upper mass limit preserved
JM Apellániz, NR Walborn, NI Morrell, VS Niemela, EP Nelan
The Astrophysical Journal 660 (2), 1480, 2007
822007
Photometry, polarimetry, spectroscopy, and spectropolarimetry of the enigmatic Wolf-Rayet star EZ Canis Majoris
C Robert, AFJ Moffat, L Drissen, R Lamontagne, W Seggewiss, ...
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 397, no. 1, p. 277-303 …, 1992
811992
Magellanic Cloud WC/WO Wolf–Rayet stars–I. Binary frequency and Roche lobe overflow formation
P Bartzakos, AFJ Moffat, VS Niemela
Monthly Notices of the Royal Astronomical Society 324 (1), 18-32, 2001
762001
The luminous eclipsing SMC OB+ WN binary HD 5980 before and during the recent LBV-like outburst: An extreme case of colliding winds
AFJ Moffat, SV Marchenko, P Bartzakos, VS Niemela, MA Cerruti, ...
The Astrophysical Journal 497 (2), 896, 1998
741998
A deep survey for galactic Wolf-Rayet stars. II. Implications for galactic structure and massive star formation
MM Shara, AFJ Moffat, LF Smith, VS Niemela, M Potter, R Lamontagne
The Astronomical Journal 118 (1), 390, 1999
651999
An X-ray investigation of the NGC 346 field in the small magellanic cloud I. The luminous blue variable HD 5980 and the NGC 346 cluster
Y Nazé, JM Hartwell, IR Stevens, MF Corcoran, YH Chu, G Koenigsberger, ...
The Astrophysical Journal 580 (1), 225, 2002
622002
Wolf-Rayet stars in the Magellanic Clouds. VI-Spectroscopic orbits of WC binaries and implications for WR evolution
AFJ Moffat, VS Niemela, HG Marraco
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 348, Jan. 1, 1990, p …, 1990
621990
The orbital elements of Gamma 2 Velorum
VS Niemela, J Sahade
Astrophysical Journal, Part 1, vol. 238, May 15, 1980, p. 244-249. 238, 244-249, 1980
611980
Wolf-Rayet stars in the Magellanic Clouds. II-The peculiar eclipsing binary HD 5980 in the SMC
J Breysacher, AFJ Moffat, VS Niemela
Astrophysical Journal, Part 1, vol. 257, June 1, 1982, p. 116-124. Research …, 1982
571982
Spectroscopic studies of Wolf-Rayet stars with absorption lines. VI-Another look at CV Serpentis/WC8
P Massey, VS Niemela
Astrophysical Journal, Part 1, vol. 245, Apr. 1, 1981, p. 195-200. 245, 195-200, 1981
571981
The Wolf-Rayet population in 30 Doradus and its surroundings
AFJ Moffat, VS Niemela, MM Phillips, YH Chu, W Seggewiss
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 312, Jan. 15, 1987, p …, 1987
501987
HDE 311884-A massive Wolf-Rayet binary
VS Niemela, PS Conti, P Massey
Astrophysical Journal, Part 1, vol. 241, Nov. 1, 1980, p. 1050-1054. 241 …, 1980
501980
A stellar wind blown bubble associated with the Wolf-Rayet star HD 197406
GM Dubner, VS Niemela, CR Purton
Astronomical Journal (ISSN 0004-6256), vol. 99, March 1990, p. 857-868. 99 …, 1990
491990
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Artículos 1–20