English
Related papers

Related papers: My Favorite Object L1551 IRS 5

200 papers

Protostars are actively accreting matter and they drive spectacular, dynamic outflows, which evolve on timescales of years. X-ray emission from these jets has been detected only in a few cases and little is known about its time evolution.…

Solar and Stellar Astrophysics · Physics 2015-05-28 P. C. Schneider , H. M. Guenther , J. H. M. M. Schmitt

We have for the first time detected X-ray emission associated with a proto-stellar jet, on the jet emanating from L1551 IRS5. The IRS5 proto-star is hidden beyond a very large absorbing column density, making the direct observation of the…

Astrophysics · Physics 2007-05-23 Fabio Favata , C. V. M. Fridlund , G. Micela , S. Sciortino , A. A. Kaas

We have for the first time detected X-ray emission associated with a protostellar jet, on the jet emanating from the L1551 IRS5 protostar. The IRS5 protostar is hidden behind a very large absorbing column density, making the direct…

Astrophysics · Physics 2009-11-07 F. Favata , C. V. M. Fridlund , G. Micela , S. Sciortino , A. A. Kaas

We have carried out a thorough optical study of the closest star formation jet. The inner arcminute surrounding the class 0/I binary protostar L1551 IRS5 and its associated jet (HH154) have been observed using the Hubble Space Telescope…

Using observations with e-MERLIN and the VLA, together with archival data from ALMA, we obtain high-resolution radio images of two binary YSOs: L1551 IRS 5 and L1551 NE, covering a wide range of frequencies from 5 - 336 GHz, and resolving…

The multiple protostellar system L1551 IRS5 exhibits a large-scale bipolar molecular outflow. We have studied this outflow within ~4000 AU of its driving source(s) with the SubMillimeter Array. Our CO(2-1) image at ~4" (~560 AU) resolution…

Solar and Stellar Astrophysics · Physics 2011-02-11 Po-Feng Wu , Shigehisa Takakuwa , Jeremy Lim

S140 IRS1 is a remarkable source where the radio source at the center of the main bipolar molecular outflow in the region is elongated perpendicular to the axis of the outflow, an orientation opposite to that expected if the radio source is…

Astrophysics · Physics 2008-11-26 M. A. Trinidad , J. M. Torrelles , L. F. Rodriguez , S. Curiel

Episodic accretion in protostars leads to luminosity outbursts that end up heating their surroundings. This rise in temperature pushes the snow lines back, enabling the desorption of chemical species from dust grain surfaces, which may…

Astrophysics of Galaxies · Physics 2024-07-17 P. Marchand , A. Coutens , J. Scigliuto , F. Cruz-Sáenz de Miera , A. Andreu , J. -C. Loison , Á. Kóspál , P. Ábrahám

Molecular outflows from very low-mass stars (VLMSs) and brown dwarfs (BDs) have been studied very little, and only a few objects have been directly imaged. Using VLT SINFONI K-band observations, we spatially resolved, for the first time,…

Solar and Stellar Astrophysics · Physics 2013-07-03 R. Garcia Lopez , A. Caratti o Garatti , G. Weigelt , B. Nisini , S. Antoniucci

High angular resolution and sensitive aperture synthesis observations of CS ($J=2-1$) and CS ($J=3-2$) emissions toward L1551 NE, the second brightest protostar in the Taurus Molecular Cloud, made with the Nobeyama Millimeter Array are…

Astrophysics · Physics 2009-11-07 S. Yokogawa , Y. Kitamura , M. Momose

We model the Class I source L1551 IRS 5, adopting a flattened infalling envelope surrounding a binary disk system and a circumbinary disk. With our composite model, we calculate self-consistently the spectral energy distribution of each…

Astrophysics · Physics 2009-11-07 M. Osorio , P. D'Alessio , J. Muzerolle , N. Calvet , L. Hartmann

We present line and continuum observations made with the Submillimeter Array (SMA) of the young stellar object Barnard 5 - IRS1 located in the Perseus molecular cloud. Our $^{12}$CO(2-1) line observations resolve the high-velocity bipolar…

Solar and Stellar Astrophysics · Physics 2015-06-19 Luis A. Zapata , Hector G. Arce , Erin Brassfield , Aina Palau , Nimesh Patel , Jaime E. Pineda

Relativistic outflows, or `Jets', represent one of the most obvious, important and yet poorly-explained phenomena associated with accreting relativistic objects, including X-ray binaries. In the past decade we have observed highly…

Astrophysics · Physics 2009-09-29 Rob Fender

The triple radio source detected in association with the luminous infrared source IRAS 16547-4247 has previously been studied with high angular resolution and high sensitivity with the Very Large Array (VLA) at 3.6-cm wavelength. In this…

The jets of GRS 1915+105 carry a considerable energy away from the central source into the ISM. The similarity of the jets of this source and jets in radio galaxies or radio-loud quasars suggests that we should detect large-scale,…

I present an overview of past, present and future research on microquasars and jets, showing that microquasars, i.e. galactic jet sources, are among the best laboratories for high energy phenomena. After remindind the analogy with quasars,…

Astrophysics · Physics 2007-05-23 Sylvain Chaty

A long infrared jet has been discovered by the Spitzer c2d legacy program in core A of L1251. It is associated with a very embedded Class 0 object with an accretion luminosity of about 0.9 Lsun derived by radiative transfer model fitting to…

We have obtained spectra of the reflection nebulosity illuminated by two heavily embedded IRAS sources in the L1641 molecular cloud, Re 50 and IC 430 (V883 Ori). Examination of these spectra in combination with their other properties…

Astrophysics · Physics 2009-10-22 Karen M. Strom , Stephen E. Strom

We report molecular line observations in the CO J=3$\rightarrow$2, 6$\rightarrow$5 and 7$\rightarrow$6 transitions, made using the Atacama Pathfinder Experiment Telescope (APEX), toward the massive and dense core IRAS 16562$-$3959. This…

Astrophysics of Galaxies · Physics 2015-03-19 A. E. Guzmán , G. Garay , K. J. Brooks , J. Rathborne , R. Güsten

The L1551 molecular cloud contains two small clusters of Class 0 and I protostars, as well as a halo of more evolved Class II and III YSOs, indicating a current and at least one past burst of star formation. We present here new, sensitive…

Astrophysics · Physics 2009-11-13 Gerald H. Moriarty-Schieven , Doug Johnstone , John Bally , Tim Jenness
‹ Prev 1 2 3 10 Next ›