Search Results - "Whelan, E T"

Optical Forbidden Emission Line Spectro-astrometry of T CrA: Evidence for a Multiple System and Multiple Jets by Whelan, E. T., Murphy, A., Pascucci, I.

“…Abstract Spectro-astrometry is applied to echelle spectra of the young intermediate-mass star T CrA. The aim is to better understand the origin of the [O i ]…”
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Evidence for an MHD Disk Wind via Optical Forbidden Line Spectroastrometry by Whelan, E. T., Pascucci, I., Gorti, U., Edwards, S., Alexander, R. D., Sterzik, M. F., Melo, C.

“…Abstract Spectroastrometry is used to investigate the low-velocity component (LVC) of the optical forbidden emission from the T Tauri stars RU Lupi and AS 205…”
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First Large-scale Herbig-Haro Jet Driven by a Proto-brown Dwarf by Riaz, B., Briceño, C., Whelan, E. T., Heathcote, S.

“…We report the discovery of a new Herbig-Haro jet, HH 1165, in SOAR narrow-band imaging of the vicinity of the Orionis cluster. HH 1165 shows a spectacular…”
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SPATIALLY RESOLVED OBSERVATIONS OF THE BIPOLAR OPTICAL OUTFLOW FROM THE BROWN DWARF 2MASS J12073347―3932540 by WHELAN, E. T, RAY, T. P, COMERON, F, BACCIOTTI, F, KAVANAGH, P. J

“…Studies of brown dwarf (BD) outflows provide information pertinent to questions on BD formation, as well as allowing outflow mechanisms to be investigated at…”
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Classical T Tauri-like Outflow Activity in the Brown Dwarf Mass Regime by Whelan, E. T, Ray, T. P, Podio, L, Bacciotti, F, Randich, S

“…Over the last number of years, spectroscopic studies have strongly supported the assertion that protostellar accretion and outflow activity persist to the…”
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Uncovering the Outflow Driven by the Brown Dwarf LS-RCrA 1: Hα as a Tracer of Outflow Activity in Brown Dwarfs by Whelan, E. T, Ray, T. P, Bacciotti, F

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Jets from young stars and brown dwarfs by Whelan, E. T.

“…The protostellar outflow mechanism operates for a significant fraction of the pre‐main sequence phase of a solar mass star and is thought to have a key role in…”
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Very low-luminosity Class I/flat outflow sources in σ Orionis by Riaz, B, Thompson, M, Whelan, E T, Lodieu, N

“…We present an optical to submillimetre multiwavelength study of two very low-luminosity Class I/flat systems, Mayrit 1701117 and Mayrit 1082188, in the sigma…”
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THE DIAGNOSTIC POTENTIAL OF Fe LINES APPLIED TO PROTOSTELLAR JETS by Giannini, T, Nisini, B, Antoniucci, S, Alcala, J M, Bacciotti, F, Bonito, R, Podio, L, Stelzer, B, Whelan, E T

“…We investigate the diagnostic capabilities of iron lines for tracing the physical conditions of shock-excited gas in jets driven by pre-main sequence stars. We…”
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THE 2008 OUTBURST IN THE YOUNG STELLAR SYSTEM Z CMa: THE FIRST DETECTION OF TWIN JETS by WHELAN, E. T, DOUGADOS, C, CHAUVIN, G, GARCIA, P. J. V, GRANKVIN, K, MALBET, F, PERRIN, M. D, BONNEFOY, M, BAINS, I, REDMAN, M. P, RAY, T. P, BOUY, H, BENISTY, M, BOUVIER, J

“…The Z CMa binary is understood to undergo both FU Orionis (FUOR) and EX Orionis (EXOR) type outbursts. While the SE component has been spectroscopically…”
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Optical Forbidden Emission Line Spectro-astrometry of T CrA: Evidence for a Multiple System and Multiple Jets Based on data collected by UVES 089.C-0299(A) observations at the VLT on Cerro Paranal (Chile), which is operated by the European Southern Observatory (ESO) by Whelan, E. T., Murphy, A., Pascucci, I.

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The Morphology of the HD 163296 jet as a window on its planetary system by Kirwan, A, Murphy, A, Schneider, P. C, Whelan, E. T, Dougados, C, Eislöffel, J

“…A&A 663, A30 (2022) HD163296 is a Herbig Ae star which drives a bipolar knotty jet with a total length of ~6000au. Strong evidence exists that the disk of…”
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A spectacular jet from the bright 244-440 Orion proplyd: the MUSE NFM view by Kirwan, A, Manara, C. F, Whelan, E. T, Robberto, M, McLeod, A. F, Facchini, S, Beccari, G, Miotello, A, Schneider, P. C, Murphy, A, Vicente, S

“…In this work we present the highest spatial and spectral resolution integral field observations to date of the bipolar jet from the Orion proplyd 244-440 using…”
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A MUSE Spectro-imaging Study of the Th 28 Jet: Precession in the Inner Jet by Murphy, A, Dougados, C, Whelan, E. T, Bacciotti, F, Coffey, D, Comerón, F, Eislöffel, J, Ray, T. P

“…A&A 652, A119 (2021) Context: Th 28 is a Classical T Tauri star in the Lupus 3 cloud which drives an extended bipolar jet. Previous studies of the inner jet…”
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Evidence for an MHD disk wind via optical forbidden line spectro-astrometry by Whelan, E. T, Pascucci, I, Gorti, U, Edwards, S, Alexander, R. D, Sterzik, M. F, Melo, C

“…Spectro-astrometry is used to investigate the low velocity component (LVC) of the optical forbidden emission from the T Tauri stars RU Lupi and AS 205 N. Both…”
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Jets from young stars and brown dwarfs by Whelan, E. T

“…Astron. Nachr. 335, No. 5, 537--542 (2014) The protostellar outflow mechanism operates for a significant fraction of the pre-main sequence phase of a solar…”
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HH 1158: The lowest luminosity externally irradiated Herbig-Haro jet by Riaz, B, Whelan, E. T

“…We have identified a new externally irradiated Herbig-Haro (HH) jet, HH 1158, within ~2 pc of the massive OB type stars in the sigma Orionis cluster. At an…”
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Discovery of a jet from the single HAe/Be star HD 100546 by Schneider, P. C, Dougados, C, Whelan, E. T, Eislöffel, J, Günther, H. M, Huélamo, N, Mendigutía, I, Oudmaijer, R. D, Beck, Tracy L

“…Young accreting stars drive outflows that collimate into jets, which can be seen hundreds of au from their driving sources. Accretion and outflow activity…”
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Evidence for an MHD Disk Wind via Optical Forbidden Line Spectroastrometry Based on data collected by UVES (089.C-0299(A), 089.C-0299(B), P.I. I. Pascucci) observations at the VLT on Cerro Paranal (Chile) which is operated by the European Southern Observatory (ESO) by Whelan, E. T., Pascucci, I., Gorti, U., Edwards, S., Alexander, R. D., Sterzik, M. F., Melo, C.

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Probing outflow activity in very low mass stars and brown dwarfs by Whelan, E.T., Ray, T.P., Bacciotti, F., Jayawardhana, R.

“…The discovery that newborn very low mass stars and brown dwarfs have optical forbidden line spectra similar to low mass young stars was a strong indication…”
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