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We have recently carried out the first wide-field hydrogen Paschen-メ line imaging survey of the Galactic Centre using the Near Infrared Camera and Multi-Object Spectrometer (NICMOS) instrument aboard ...
HST Pa Survey of the Galactic Center – Searching the missing young stellar populations within the Galactic Center
star formation process
2014/12/20
We present preliminary results of our \hst Pa$\alpha$ survey of the Galactic Center (\gc), which maps the central 0.65$\times$0.25 degrees around Sgr A*. This survey provides us with a more complete i...
Temperature-Pressure Profile of the hot Jupiter HD 189733b from HST Sodium Observations: Detection of Upper Atmospheric Heating
spectroscopic planetary systems individual HD 189733b
2012/2/23
We present transmission spectra of the hot Jupiter HD 189733b taken with the Space Telescope Imaging Spectrograph aboard HST. The spectra cover the wavelength range 5808-6380 Ang with a resolving powe...
HST-ACS photometry of the isolated dwarf galaxy VV124=UGC4879. Detection of the Blue Horizontal Branch and identification of two young star clusters
Galaxies: dwarf — Galaxies: Local Group — Galaxies: structure — Galaxies: stellar content — Galaxies: ISM —Galaxies: individual
2011/10/8
We present deep V and I photometry of the isolated dwarf galaxy VV124=UGC4879, obtained from archival images taken with the Hubble Space Telescope - Advanced Camera for Surveys. In the color-magnitude...
The Core-like Nature of HST-1 in the M87 Jet
polarization—galaxies: active—galaxies: individual (M87)—galaxies:jets —radio continuum: general
2011/9/28
We investigate the total flux density, spectral, polarization, and Faraday rotation variability of HST-1 in the M87 jet during the outburst from 2003 to 2007 through multi-epoch VLA observations at 8,...
Multiwavelength campaign on Mrk 509. VI. HST/COS observations of the far-ultraviolet spectrum
Galaxies: Active – Galaxies: Individual (Mrk 509) – Galaxies: Quasars: Absorption Lines – Galaxies: Seyfert –Ultraviolet: Galaxies – X-Rays: Galaxies
2011/9/27
We present medium resolution (R~20,000) HST/COS ultraviolet spectra covering 1155-1760 A of the Seyfert 1 Mrk 509 obtained simultaneously with a Chandra/LETGS spectrum as part of a multiwavelength cam...
HST SpectralObservations near the He II Ly-alpha Break: Implications for He II Reionization
galaxies active intergalactic medium quasars general ultraviolet galaxies
2010/11/12
Quasars that allow the study of IGM He II are very rare, since they must be at high redshift along sightlines free of substantial hydrogen absorption, but recent work has dramatically expanded the num...
Precise Estimates of the Physical Parameters for the Exoplanet System HD-17156 Enabled by HST FGS Transit and Asteroseismic Observations
stars planetary systems — stars oscillations — stars
2010/11/9
We present observations of three distinct transits of HD 17156b obtained with the Fine Guidance Sensors (FGS) on board the Hubble Space Telescope (HST)5.
Asteroseismology of the Transiting Exoplanet Host HD 17156 with HST FGS
planetary systems stars oscillations stars individual techniques
2010/11/9
Observations conducted with the Fine Guidance Sensor on Hubble Space Telescope (HST) providing
high cadence and precision time-series photometry were obtained over 10 consecutive days in December 200...
Cataclysmic Variables and Other Compact Binaries in the Globular Cluster NGC 362: Candidates from Chandra and HST
cataclysmic binaries close binary stars globular clusters X-ray binaries
2010/11/10
Highly sensitive and precise X-ray imaging from Chandra, combined with the superb spatial resolution of HST optical images, dramatically enhances our empirical understanding of compact binaries such a...
The Deepest HST Color-Magnitude Diagram of M32: Evidence for Intermediate-Age Populations
Local Group—galaxies individual M32 M31—galaxies elliptical and lenticular
2010/11/10
We present the deepest optical color-magnitude diagram (CMD) to date of the local elliptical galaxy M32.We have obtained F435W and F555W photometry based on Hubble Space Telescope ACS/HRC images for a...
The HST/ACS Coma Cluster Survey III. Structural Parameters of Galaxies using single-Sérsic Fits
Cosmology and Extragalactic Astrophysics (astro-ph.CO)
2010/12/29
We present a catalogue of structural parameters for 8814 galaxies in the 25 fields of the HST/ACS Coma Treasury Survey. Parameters from S\'ersic fits to the two-dimensional surface brightness distribu...
AGN Surveys via Optical Variability, X-ray, and mid-IR Detection in HST Fields
X-ray HST Fields mid-IR Detection
2009/7/9
AGN Surveys via Optical Variability, X-ray, and mid-IR Detection in HST Fields。
Hst/fos spectral mapping of ip pegasi in outburst。
HST Observations of Young, Oxygen-Rich Supernova Remnants
HST Observations Supernova Remnants Oxygen-Rich
2009/6/16
HST Observations of Young, Oxygen-Rich Supernova Remnants。