Sentences with phrase «young stellar objects»

These include five new young stellar object candidates and ten candidate galaxy clusters.
Abstract: «Water In Star - forming regions with Herschel» (WISH) is a key programme dedicated to studying the role of water and related species during the star - formation process and constraining the physical and chemical properties of young stellar objects.
Finally the equal or higher abundances toward low mass young stellar objects compared with high mass objects and the correlation studies support this formation pathway as well, but not the two competing theories: formation from CH3OH and formation in gas phase with subsequent freeze - out.
We present models for two objects, with mass accretion rates differing by almost two orders of magni... ▽ More We discuss the importance of accretion in calculating disk models for young stellar objects.
Sewiło and her colleagues used ALMA to study several young stellar objects in this region to better understand their chemistry and dynamics.
The article Accretion - induced variability links young stellar objects, white dwarfs, and black holes has been published in the latest edition of the journal Science Advances.
We attribute this absorption... ▽ More We report the detection of several molecular gas - phase and ice absorption features in three photometrically - selected young stellar object (YSO) candidates in the central 280 pc of the Milky Way.
Our results show not only the magnetic field orientation of around young stellar objects but also the structure of circumstellar matter such as outflow regions and their parent molecular cloud along the line of sight.
The c2d Spitzer Spectroscopic Survey of Ices Around Low - Mass Young Stellar Objects.
«We need to make more observations to confirm the finding, but this information will help test theories of how such young stellar objects operate.»
What astronomers call Young Stellar Objects (YSOs)-- stars still in the process of formation — are enigmatic objects, both drawing in material from their surroundings and expelling material outward at the same time.
Our sample of 107 YSO candidates was selected based on IRAC colors from the high spatial resolution, high sensitivity Spitzer / IRAC images in the Central Molecular Zone (CMZ), which spans th... ▽ More We present results from our spectroscopic study, using the Infrared Spectrograph (IRS) onboard the Spitzer Space Telescope, designed to identify massive young stellar objects (YSOs) in the Galactic Center (GC).
Infrared spectra from the Spitzer Space Telescope are presented to determine the solid CH4 abundance toward a large sample of low mass young stellar objects.
Abstract: We discuss the importance of accretion in calculating disk models for young stellar objects.
Earlier observations of this area with NASA's Spitzer Space Telescope and ESA's Herschel Space Observatory revealed a startling concentration of young stellar objects — protostars that have just begun to heat their stellar nurseries, causing them to glow brightly in infrared light.
Using NASA's Chandra X-ray Observatory, astronomers have identified 152 X-ray sources, including 95 new young stellar objects (YSOs) in Serpens South star - forming cluster.
Abstract: We report the detection of several molecular gas - phase and ice absorption features in three photometrically - selected young stellar object (YSO) candidates in the central 280 pc of the Milky Way.
The study, «Accretion - induced variability links young stellar objects, white dwarfs, and black holes», which is published in the journal Science Advances, shows how the «flickering» in the visible brightness of young stellar objects (YSOs)-- very young stars in the final stages of formation — is similar to the flickering seen from black holes or white dwarfs as they violently pull matter from their surroundings in a process known as accretion.
Dr Simon Vaughan, Reader in Observational Astronomy at the University of Leicester's Department of Physics and Astronomy, explained: «The seemingly random fluctuations we see from the black holes and white dwarfs look remarkably similar to those from the young stellar objects — it is only the tempo that changes.»
The new observations were obtained with Kepler / K2 and ULTRACAM, examining accreting white dwarfs and young stellar objects.
The VISION survey has resulted in a catalogue containing almost 800,000 individually identified stars, young stellar objects and distant galaxies, This represents better depth and coverage than any other survey of this region to date [3].
The star lies $ \ sim8000 $ au away in projection from a massive young stellar object (MYSO).
-LRB-...) In this work, we investigate the ~ 8 - 10 micron region in the Spitzer IRS (InfraRed Spectrograph) spectra of 41 low - mass young stellar objects (Y... ▽ More NH3 and CH3OH are key molecules in astrochemical networks leading to the formation of more complex N - and O - bearing molecules, such as CH3CN and HCOOCH3.
-LRB-...) In this work, we investigate the ~ 8 - 10 micron region in the Spitzer IRS (InfraRed Spectrograph) spectra of 41 low - mass young stellar objects (YSOs).
Serpens is one of several star - forming regions targeted by the Young Stellar Object Variability (YSOVAR) project, which conducted repeated observations in each area to look for changes in brightness in the baby stars.
Using the «J - H / H - K» diagram, 144 Class II and 24 Class I young stellar object (YSO) candidates are identified in the IRS 1 - 3 region.
Abstract: We present results from our spectroscopic study, using the Infrared Spectrograph (IRS) onboard the Spitzer Space Telescope, designed to identify massive young stellar objects (YSOs) in the Galactic Center (GC).
Abstract: We identify nine young stellar objects (YSOs) in the NGC 2264 star - forming region with optical -LCB- \ em CoRoT -RCB- light curves exhibiting short - duration, shallow, periodic flux dips.
The Heterodyne Instrument for the Far - Infrared (HIFI) on the Herschel Space Observatory observed three deeply embedded protostars in the low - mass star - for... ▽ More «Water In Star - forming regions with Herschel» (WISH) is a key programme dedicated to studying the role of water and related species during the star - formation process and constraining the physical and chemical properties of young stellar objects.
Formation of... ▽ More Water in Star - forming regions with Herschel (WISH) is a Herschel Key Program investigating the water chemistry in young stellar objects (YSOs) during protostellar evolution.
Abstract: Water in Star - forming regions with Herschel (WISH) is a Herschel Key Program investigating the water chemistry in young stellar objects (YSOs) during protostellar evolution.
The golden veil of light cloaks a young stellar object known only as IRAS 14568 - 6304 in the Circinus molecular cloud complex.
A Young Stellar Object, or YSO is a nascent star that has evolved past the protostar phase but is not yet mature enough to enter into the main sequence phase of stellar evolution.
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