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Herbig Ae

Magnetic fields of Herbig Ae/Be stars

Magnetic fields of Herbig Ae/Be stars

... The presence of a magnetic field on the surface of the Herbig Ae star HD 190073 is already known for several years. The first measurement of a longitudinal magnetic field in HD 190073 was published by ...

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Candidate Water Vapor Lines to Locate the H2O Snowline through High-dispersion Spectroscopic Observations. II. The Case of a Herbig Ae Star

Candidate Water Vapor Lines to Locate the H2O Snowline through High-dispersion Spectroscopic Observations. II. The Case of a Herbig Ae Star

... Fourth, in Herbig Ae disks the strong infrared excess of dust emission might veil the faint emission of molecular lines at infrared wavelengths ( e.g., Lahuis et al. 2007; Pontoppidan et al. 2010a; Fedele ...

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Spatially resolved optical spectroscopy of the Herbig Ae/Vega like binary star HD 35187

Spatially resolved optical spectroscopy of the Herbig Ae/Vega like binary star HD 35187

... Here we report new observations of the possible HAeBe star system HD 35187, which lies at a distance of 150¹55 pc (ESA 1997) in the Taurus molecular clouds. Attention was first drawn to this object when it was discovered ...

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Mid-infrared sizes of circumstellar disks around Herbig Ae/Be stars measured with MIDI on the VLTI

Mid-infrared sizes of circumstellar disks around Herbig Ae/Be stars measured with MIDI on the VLTI

... Abstract. We present the first long baseline mid-infrared interferometric observations of the circumstellar disks surrounding Herbig Ae / Be stars. The observations were obtained using the mid-infrared ...

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A spectroscopic survey of Herbig Ae/Be stars with X shooter   I  Stellar parameters and accretion rates

A spectroscopic survey of Herbig Ae/Be stars with X shooter I Stellar parameters and accretion rates

... Herbig Ae/Be stars (HAeBes) span a key mass range that links low- and high-mass stars, and thus provide an ideal window from which to explore their ...the Herbig Ae and Herbig Be ...the ...

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Identifying gaps in flaring Herbig Ae/Be disks using spatially resolved mid-infrared imaging. Are all group I disks transitional?

Identifying gaps in flaring Herbig Ae/Be disks using spatially resolved mid-infrared imaging. Are all group I disks transitional?

... set for these objects, which consists of Spitzer IRS spectra and photometry. See Appendix A for an overview of available pho- tometric UV, optical, infrared, and millimeter data and their ref- erences. Spitzer IRS ...

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Spectral energy distributions of passive T Tauri and Herbig Ae disks: grain mineralogy, parameter dependences and comparison with ISO-LWS observations

Spectral energy distributions of passive T Tauri and Herbig Ae disks: grain mineralogy, parameter dependences and comparison with ISO-LWS observations

... three Herbig Ae and two T Tauri stars, including spectra from the Long Wavelength Spectrometer (LWS) aboard the Infrared Space Observatory (ISO), are Ðtted with our ...

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High-resolution Br γ spectro-interferometry of the transitional Herbig Ae/Be star HD 100546: a Keplerian gaseous disc inside the inner rim

High-resolution Br γ spectro-interferometry of the transitional Herbig Ae/Be star HD 100546: a Keplerian gaseous disc inside the inner rim

... We present spatially and spectrally resolved Br γ emission around the planet-hosting, transi- tional Herbig Ae/Be star HD 100546. Aiming to gain insight into the physical origin of the line in possible ...

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A spectroscopic survey of Herbig Ae/Be stars with X-shooter – I. Stellar parameters and accretion rates

A spectroscopic survey of Herbig Ae/Be stars with X-shooter – I. Stellar parameters and accretion rates

... Herbig Ae/Be stars (HAeBes) span a key mass range that links low- and high-mass stars, and thus provide an ideal window from which to explore their ...the Herbig Ae and Herbig Be ...the ...

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Spectroscopic monitoring of the Herbig Ae star HD 104237

Spectroscopic monitoring of the Herbig Ae star HD 104237

... Stellar pulsations, if observed, can provide an excellent tool for analyzing the internal stellar structure and its evolu- tion. Breger et al. (1972) discovered the first two pulsating in- termediate mass PMS stars in ...

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Investigating the inner discs of Herbig Ae/Be stars with CO bandhead and Brγ emission

Investigating the inner discs of Herbig Ae/Be stars with CO bandhead and Brγ emission

... 5 Herbig Ae/Be stars, targeted because of pre- vious detection of CO first overtone bandhead emission, were obtained using the cryogenic spectrograph CRIRES (K¨aufl et ...

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A Statistical Spectropolarimetric Study of Herbig Ae/Be Stars

A Statistical Spectropolarimetric Study of Herbig Ae/Be Stars

... the Herbig Be stars is lower than for the Herbig Ae stars; in the case of line depolarization, the effect is a strong func- tion of inclination of the system, A larger disk inclination results in a ...

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Linear spectropolarimetry across the optical spectrum of Herbig Ae/Be stars

Linear spectropolarimetry across the optical spectrum of Herbig Ae/Be stars

... We present the results of spectropolarimetric observations of 12 Herbig Ae/Be objects. Our data have the largest spectropolarimetric wavelength coverage, 4560–9480 Å, published to date. A change in linear ...

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A spectroscopic survey of Herbig Ae/Be stars with X-Shooter II: Accretion diagnostic lines.

A spectroscopic survey of Herbig Ae/Be stars with X-Shooter II: Accretion diagnostic lines.

... (2) where A and B are constants describing the intercept and slope, respectively. Such a relationship is obtained across all lines for the Herbig Ae/Be stars; the slopes and intercepts are presented in ...

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A Statistical Spectropolarimetric Study of Herbig Ae/Be Stars

A Statistical Spectropolarimetric Study of Herbig Ae/Be Stars

... of Herbig Ae/Be ...that Herbig Ae stars are similar to T Tauri stars in displaying a line polarization effect, while depolarization is more common among Herbig Be ...that Herbig ...

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Large dust gaps in the transitional disks of HD 100453 and HD 34282. Connecting the gap size to the spectral energy distribution and mid-infrared imaging

Large dust gaps in the transitional disks of HD 100453 and HD 34282. Connecting the gap size to the spectral energy distribution and mid-infrared imaging

... Transitional flaring disks that do show silicate emission are group Ia Herbig Ae / Be stars. The amorphous silicate features in these objects may originate in the inner edge of the outer disk. This may be ...

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The Physical Structure of Protoplanetary Disks: The Serpens Cluster Compared with Other Regions

The Physical Structure of Protoplanetary Disks: The Serpens Cluster Compared with Other Regions

... The results in Figure 8 for T Tauri stars differ from those for Herbig Ae/Be stars (Meeus et al. 2001), which show a correlation between the mean grain size in the disk surface (as derived from the silicate ...

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Mid IR spectra of pre main sequence Herbig stars : an explanation for the non detections of water lines

Mid IR spectra of pre main sequence Herbig stars : an explanation for the non detections of water lines

... To study the impact of a disk truncated by dust sublimation, we ran a series of models considering different disk inner radii and another series of models with different scale heights always using the same central star, a ...

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Visualization of stress and deformation with use of AE

Visualization of stress and deformation with use of AE

... practice. AE is a relatively new non-destructive experiment method, which is broadly developing mainly at the end of 20th and begin- ning of 21st ...of AE method, the whole A2 screw deformation, all the way ...

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CB-Funkgerät AE 5290 Bedienungsanleitung

CB-Funkgerät AE 5290 Bedienungsanleitung

... dem AE 5290 innerhalb der EU und einigen nicht EU-Staaten, die die R&TTE Direktive anerkennen, überall erlaubt, während es für die Benutzung von Funkanlagen noch je nach Programmierung und Land ...

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