... intensity estimates of lines in the spectra of Eta Carinae and RR Telescopii between 3700 and 8900 A ... the two stars are discussed in Section 4 (Eta Carinae) and in Section 8 (RR Tel). Doubly ionized ... which shows in 1952 a transition between the " Eta Carinae " and " nebular " stages of a slow nova. Oxygen ... RR Tel that a deficiency of O in Eta Carinae is rather strongly indicated.
Tópico(s): Astronomical Observations and Instrumentation
1953 - Oxford University Press | Monthly Notices of the Royal Astronomical Society
... Volume Content Graphics Metrics Export Citation NASA/ADS Eta Carinae. I. The Nebulosity. Gaviola, E. Abstract A series ...
Tópico(s): Astronomy and Astrophysical Research
1950 - IOP Publishing | The Astrophysical Journal
An outer shell of nebulosity surrounding Eta Carinae is described. AG Carinae, HD 138403 and Co. D – 46° 11816 are found to be surrounded by nebulous disks or shells with [ ... and CPD – 59° 2661 in the neighbourhood of Eta Carinae are also described. A complex field of bright ...
Tópico(s): Astrophysics and Star Formation Studies
1950 - Oxford University Press | Monthly Notices of the Royal Astronomical Society
... Volume Content Graphics Metrics Export Citation NASA/ADS Eta Carinae. II. The Spectrum. Gaviola, E. Abstract Wave lengths ...
Tópico(s): Classical Antiquity Studies
1953 - IOP Publishing | The Astrophysical Journal
D. J. K. O’Connell, Santhiya. C and Sahaya Nisha. J,
The history of the unusual star Eta Carinae is reviewed. Photographic magnitudes obtained from plates taken at Riverview Observatory, 1935–1952, and from some early Sydney Astrographic plates, are listed. ...
Tópico(s): Astronomical Observations and Instrumentation
1956 - Pergamon Press | Vistas in Astronomy
Kris Davidson, R. M. Humphreys,
▪ Abstract Eta Carinae (Eta) is one of the most remarkable of all well-studied stars and perhaps the most poorly understood. Observations ...
Tópico(s): Astro and Planetary Science
1997 - Annual Reviews | Annual Review of Astronomy and Astrophysics
Joseph Haines Moore, Roscoe F. Sanford,
Tópico(s): Phytochemical Studies and Bioactivities
1914 - Smithsonian Institution | Lick Observatory Bulletins
Tópico(s): Astro and Planetary Science
1951 - self-publishing | Observatory
Tópico(s): Tribology and Lubrication Engineering
1928 - IOP Publishing | The Astrophysical Journal
The recently reported brightening of η Carinae refers to integrated magnitudes " nucleus plus halo ". Gaviola's isophotes show that the halo must have brightened. The brightening of the nucleus is probably very much less.
Tópico(s): Astronomy and Astrophysical Research
1953 - Oxford University Press | Monthly Notices of the Royal Astronomical Society
Tópico(s): Historical and Architectural Studies
1949 - self-publishing | Observatory
Tópico(s): Historical Astronomy and Related Studies
1956 - self-publishing | Observatory
Tópico(s): Spacecraft and Cryogenic Technologies
1956 - self-publishing | Observatory
Tópico(s): History and Developments in Astronomy
1963 - Institute of Physics | Publications of the Astronomical Society of the Pacific
Laurent Loinard, T. Kamiński, P. Serra, K. M. Menten, Luis A. Zapata, Luis F. Rodrı́guez,
... of the very massive luminous blue variable star $\eta$ Carinae. Here, we present 5$"$-resolution interferometric observations of ... is concentrated in the central few arcseconds around $\eta$ Carinae and shows a clear 150 km s$^{-1}$ ... of the intense UV radiation field produced by $\eta$ Carinae. The dust located in the central few arcseconds around $\eta$ Carinae and the molecular component described here have most ... expelled by the massive interacting binary system. Thus, $\eta$ Carinae offers us a rare glimpse on the processes ...
Tópico(s): Astro and Planetary Science
2016 - IOP Publishing | The Astrophysical Journal
A. R. Hyland, G. Robinson, R. M. Mitchell, J. A. Thomas, E. E. Becklin,
... Spectra; Stellar Evolution; Stellar Mass Ejection; Astrophysics; Eta Carinae:Infrared Maps; Eta Carinae:Structure full text sources ADS | data products SIMBAD ( ...
Tópico(s): Historical and Architectural Studies
1979 - IOP Publishing | The Astrophysical Journal
The most massive binary system Eta Carinae has been recently established as a gamma-ray source by the AGILE and Fermi-LAT detectors. The high energy spectrum of ... of stellar wind collisions within the binary system Eta Carinae with the aim to explain the gamma-ray ... specific models are compared with the observations of Eta Carinae, and the neutrino spectra produced in hadronic models ... the double shock structure. The shocks from the Eta Carinae star and the companion star can accelerate particles ... range of neutrino fluxes from the binary system Eta Carinae.
Tópico(s): Gamma-ray bursts and supernovae
2011 - EDP Sciences | Astronomy and Astrophysics
H. L. Gomez, C. Vlahakis, C. M. Stretch, L. Dunne, S. A. Eales, A. Beelen, Edward Gomez, M. G. Edmunds,
... emission around the Luminous Blue Variable (LBV) star Eta Carinae. These observations were hindered by the low declination of Eta Carinae and contamination from free-free emission orginating from ... 4 +/- 0.1 solar masses of dust surrounding Eta Carinae. The spatial distribution of the submm emission limits ... pre-outburst LBV wind phase; we estimate that Eta Carinae has ejected > 40 solar masses of gas within ...
Tópico(s): Astro and Planetary Science
2009 - Oxford University Press | Monthly Notices of the Royal Astronomical Society Letters
... are briefly discussed. AG Carinae, HD 138403, and Eta Carinae are truly described as P Cygni stars. Emission ...
Tópico(s): Astronomical Observations and Instrumentation
1956 - Pergamon Press | Vistas in Astronomy
Kenji Hamaguchi, M. F. Corcoran, J. M. Pittard, Neetika Sharma, H. Takahashi, Christopher M. P. Russell, Brian W. Grefenstette, Daniel R. Wik, T. R. Gull, Noel D. Richardson, Thomas Madura, A. F. J. Moffat,
... rays and gamma-rays. The supermassive binary star eta Carinae drives the strongest colliding wind shock in the ... energy observatories indicate a high energy source near eta Carinae, but have been unable to conclusively identify eta Carinae as the source because of their relatively poor ...
Tópico(s): Gamma-ray bursts and supernovae
2018 - Nature Portfolio | Nature Astronomy
A. Abramowski, F. Acero, F. Aharonian, A. G. Akhperjanian, G. Anton, A. Balzer, A. Barnacka, Y. Becherini, J. A. Becker, K. Bernlöhr, E. Birsin, J. Biteau, A. Bochow, C. Boisson, J. Bolmont, P. Bordas, J. Brucker, F. Brun, P. Brun, T. Bulik, I. Büsching, S. Carrigan, S. Casanova, M. Cerruti, P. M. Chadwick, A. Charbonnier, R. C. G. Chaves, A. Cheesebrough, G. Cologna, J. Conrad, M. Dalton, M. K. Daniel, I. D. Davids, B. Degrange, C. Deil, H. J. Dickinson, A. Djannati-Ataı̈, W. Domainko, L. O’C. Drury, G. Dubus, K. Dutson, J. Dyks, M. Dyrda, K. Egberts, P. Eger, P. Espigat, L. Fallon, S. Fegan, F. Feinstein, M. V. Fernandes, A. Fiasson, G. Fontaine, A. Förster, M. Füßling, Y. A. Gallant, T. Garrigoux, H. Gast, L. Gérard, B. Giebels, J. F. Glicenstein, B. Glück, D. Göring, M.-H. Grondin, S. Häffner, J. D. Hague, Joachim Hahn, D. Hampf, J. Harris, M. Häuser, Sebastian Heinz, G. Heinzelmann, G. Henri, G. Hermann, Andreas Hillert, J. A. Hinton, W. Hofmann, P. Hofverberg, M. Holler, D. Horns, A. Jacholkowska, C. Jahn, M. Jamrozy, I. Jung, M. A. Kastendieck, K. Katarzyński, U. Katz, S. Kaufmann, B. Khélifi, D. Klochkov, W. Kluźniak, T. Kneiske, Nu. Komin, K. Kosack, R. Kossakowski, F. Krayzel, H. Laffon, G. Lamanna, J.-P. Lenain, D. Lennarz, T. Lohse, A. Lopatin, C.-C. Lu, V. Marandon, A. Marcowith, J. Masbou, G. Maurin, Nigel Maxted, Martin G. F. Mayer, T. J. L. McComb, M. C. Medina, J. Méhault, R. Moderski, M. Mohamed, E. Moulin, C. L. Naumann, M. Naumann-Godó, M. de Naurois, D. Nedbal, D. Nekrassov, N. Nguyen, B. Nicholas, J. Niemiec, S. J. Nolan, S. Ohm, E. de Oña Wilhelmi, B. Opitz, M. Ostrowski, R. Mirzoyan, M. Panter, M. Paz Arribas, N. W. Pekeur, G. Pelletier, J. Pérez, Pierre-Olivier Petrucci, B. Peyaud, S. Pita, G. Pühlhofer, M. Punch, A. Quirrenbach, M. Raue, A. Reimer, O. Reimer, M. Renaud, R. de los Reyes, Frank Rieger, J. Ripken, L. Rob, S. Rosier-Lees, Gavin Rowell, B. Rudak, C. B. Rulten, V. Sahakian, D. A. Sánchez, A. Santangelo, R. Schlickeiser, A. Schulz, U. Schwanke, S. Schwarzburg, S. Schwemmer, F. Sheidaei, J. L. Skilton, H. Sol, G. Spengler, Ł. Stawarz, R. Steenkamp, C. Stegmann, F. Stinzing, K. Stycz, I. Sushch, A. Szostek, J.‐P. Tavernet, R. Terrier, M. Tluczykont, K. Valerius, C. van Eldik, G. Vasileiadis, C. Venter, A. Viana, P. Vincent, H. J. Völk, F. Volpe, S. Vorobiov, M. Vorster, S. J. Wagner, M. J. Ward, R. White, A. Wierzcholska, M. Zacharias, A. Zajczyk, A. A. Zdziarski, A. Zech, H.-S. Zechlin, T. Montmerle,
The massive binary system Eta Carinae and the surrounding H ii complex, the Carina nebula, are potential particle acceleration sites from which very high energy (VHE; ... to 2010, which cover a full orbit of Eta Carinae. In the 33.1-h data set no hint of significant γ-ray emission from Eta Carinae has been found and an upper limit on ...
Tópico(s): Astrophysical Phenomena and Observations
2012 - Oxford University Press | Monthly Notices of the Royal Astronomical Society
... fast polar outflow detected to be blown by Eta Carinae in 2000. The scenario accounts also for the ... scenario is based on the binary nature of Eta Carinae. The collision of the winds blown by the ... 5 per cent of the wind blown by Eta Carinae, i.e., the massive primary star, such that ... mass is accreted back through the equator by Eta Carinae during apastron passage, when its orbital velocity is ...
Tópico(s): Astrophysical Phenomena and Observations
2003 - IOP Publishing | The Astrophysical Journal
... first and archetypical system of this class is Eta Carinae, a bright gamma-ray source with orbital variability ... The origin of the high energy emission in Eta Carinae is still unclear, with both lepto-hadronic and ... how the energy component above 10 GeV of Eta Carinae peaks months before the 2014 periastron, while the ... wind systems. Conclusions. Current gamma-ray observations of Eta Carinae strongly suggest that the wind collision region of ...
Tópico(s): Astrophysical Phenomena and Observations
2021 - EDP Sciences | Astronomy and Astrophysics
A. A. Abdo, M. Ackermann, M. Ajello, A. Allafort, L. Baldini, J. Ballet, G. Barbiellini, D. Bastieri, K. Bechtol, R. Bellazzini, B. Berenji, R. D. Blandford, E. Bonamente, A. W. Borgland, A. Bouvier, T. J. Brandt, J. Bregeon, A. Brez, M. Brigida, P. Bruel, R. Buehler, T. H. Burnett, G. A. Caliandro, R. A. Cameron, P. A. Caraveo, S. Carrigan, J. M. Casandjian, C. Cecchi, Ö. Çelik, S. Chaty, A. Chekhtman, C. C. Cheung, J. Chiang, S. Ciprini, R. Claus, J. Cohen-Tanugi, L. R. Cominsky, J. M. Conrad, C. D. Dermer, F. de Palma, S. W. Digel, E. do Couto e Silva, P. S. Drell, R. Dubois, D. Dumora, C. Favuzzi, S. Fegan, E. C. Ferrara, M. Frailis, Y. Fukazawa, P. Fusco, F. Gargano, N. Gehrels, S. Germani, N. Giglietto, F. Giordano, G. Godfrey, I. A. Grenier, M.-H. Grondin, J. E. Grove, L. Guillemot, S. Guiriec, D. Hadasch, Y. Hanabata, A. K. Harding, M. Hayashida, E. Hays, A. B. Hill, D. Horan, R. E. Hughes, R. Itoh, M. Jackson, G. Jóhannesson, A. S. Johnson, W. N. Johnson, T. Kamae, H. Katagiri, J. Kataoka, M. Kerr, J. Knödlseder, M. Kuss, J. Landé, L. Latronico, S.-H. Lee, M. Lemoine‐Goumard, Margaret A. Livingstone, M. Llena Garde, F. Longo, F. Loparco, M. N. Lovellette, P. Lubrano, A. Makeev, M. N. Mazziotta, J. E. McEnery, J. Méhault, P. F. Michelson, W. Mitthumsiri, Tsunefumi Mizuno, A. A. Moiseev, C. Monte, M. E. Monzani, A. Morselli, I. V. Moskalenko, S. Murgia, Takeshi Nakamori, M. Naumann-Godó, P. L. Nolan, J. P. Norris, E. Nuss, T. Ohsugi, A. Okumura, N. Omodei, E. Orlando, J. F. Ormes, Masanori Ozaki, J. Panetta, D. Parent, V. Pelassa, M. Pepé, M. Pesce-Rollins, F. Piron, T. A. Porter, S. Rainò, R. Rando, M. Razzano, A. Reimer, O. Reimer, T. Reposeur, A. Y. Rodriguez, Roger W. Romani, M. Roth, H. F-W. Sadrozinski, A. Sander, P. M. Saz Parkinson, J. D. Scargle, C. Sgrò, E. J. Siskind, D. A. Smith, P. D. Smith, G. Spandre, P. Spinelli, M. S. Strickman, D. J. Suson, H. Takahashi, T. Takahashi, T. Tanaka, J. B. Thayer, J. G. Thayer, D. J. Thompson, L. Tibaldo, O. Tibolla, D. F. Torres, G. Tosti, A. Tramacere, Y. Uchiyama, T. Usher, J. Vandenbroucke, V. Vasileiou, N. Vilchez, V. Vitale, A. P. Waite, E. Wallace, P. Wang, B. L. Winer, K. S. Wood, Z. Yang, T. Ylinen, M. Ziegler,
... that is spatially consistent with the location of Eta Carinae. This source has been persistently bright since the ... correlates with the large X-ray variability of Eta Carinae observed during 2008 December and 2009 January. We ... an unambiguous identification of the LAT source with Eta Carinae.
Tópico(s): Dark Matter and Cosmic Phenomena
2010 - IOP Publishing | The Astrophysical Journal
Simon Portegies Zwart, E. P. J. van den Heuvel,
... events that led to the giant eruption of Eta Carinae, and find that the mid-nineteenth century (in ... which is the current binary companion in the Eta Carinae system. We come to this conclusion by a ... M⊙ present primary star of the highly eccentric Eta Carinae binary system is the product of this merger, ...
Tópico(s): Astrophysical Phenomena and Observations
2016 - Oxford University Press | Monthly Notices of the Royal Astronomical Society
S. M. White, R. A. Duncan, J. Lim, Gill Nelson, S. A. Drake, M. R. Kundu,
... Export Citation NASA/ADS The Radio Source around eta Carinae White, S. M. ; Duncan, R. A. ; Lim, J. ; ... resolution radio observations of the peculiar southern star Eta Carinae, made with the Australian Telescope. The images, at ... STARS; STARS: CIRCUMSTELLAR MATTER; STARS: INDIVIDUAL CONSTELLATION NAME: ETA CARINAE; STARS: SUPERGIANTS full text sources ADS | data products ...
Tópico(s): Astro and Planetary Science
1994 - IOP Publishing | The Astrophysical Journal
Eta Carinae shows broad peaks in near-infrared (IR) JHKL photometry, roughly correlated with times of periastron passage ... that the broad near-IR peaks associated with Eta Carinae's 5.5 yr variability are due to ... supernovae like SN 2006jc. This dust formation in Eta Carinae seems to occur preferentially near and after periastron passage; near-IR excess emission then fades as the new dust disperses and cools. With the high grain temperatures and Eta Car's C-poor abundances, the grains are ...
Tópico(s): Astrophysics and Star Formation Studies
2009 - Oxford University Press | Monthly Notices of the Royal Astronomical Society
A. Feinstein, A. F. J. Moffat, Michael P. Fitzgerald,
... complex of young clusters in the vicinity of Eta Carinae which are associated with the extensive emission nebula ... excess (0.48) suggesting its membership in the Eta Carinae complex. Possible members of the cluster include the ... that the membership of Tr 15 in the Eta Carinae complex makes that complex one of the largest ...
Tópico(s): Geological Formations and Processes Exploration
1980 - Institute of Physics | The Astronomical Journal
The {\eta} Carinae binary system hosts the most massive stars with the highest known mass-loss rate. Its dense wind ... the Fermi LAT which span two passages of {\eta} Carinae at periastron. We extracted low and HE light ... The {\gamma}-ray emission location is compatible with {\eta} Carinae. Two emission components are distinguished. The low-energy ( ... and to associate it firmly with hadronic origin. {\eta} Carinae is a pevatron at periastron. Its $\nu$ flux ...
Tópico(s): Astrophysical Phenomena and Observations
2017 - EDP Sciences | Astronomy and Astrophysics
T. R. Gull, G. L. Vieira, F. C. Bruhweiler, K. E. Nielsen, E. M. Verner, A. C. Danks,
... aboard the Hubble Space Telescope (HST) to observe Eta Carinae, we have resolved and identified over 500 sharp, ... warm circumstellar gas immediately in the vicinity of Eta Carinae, or within the cooler foreground lobe of the ... not near or in the dense wind of Eta Carinae. Further analysis, in parallel with obtaining improved experimental ... strong circumstellar absorption features in the spectrum of Eta Carinae.
Tópico(s): Astro and Planetary Science
2005 - IOP Publishing | The Astrophysical Journal