556 citations · 4.5k across the 82 of their papers we have counts for
32 papers · 1 filter
A census of molecular hydrogen outflows and their sources along the Orion A molecular ridge: characteristics and overall distribution
C. J. Davis, D. Froebrich, T. Stanke +9
We present wide-field near-IR images of Orion A. K and H2 1-0S(1) images of a contiguous 8 sqr degree region are compared to photometry from Spitzer and dust-continuum maps obtaine…
Atomic jets from class 0 sources detected by Spitzer: the case of L1448-C
O. Dionatos, B. Nisini, R. Garcia Lopez +5
We present Spitzer-IRS spectra obtained along the molecular jet from the Class 0 source L1448-C (or L1448-mm). Atomic lines from the fundamental transitions of [FeII], [SiII] and […
The Rosette Eye: the key transition phase in the birth of a massive star
J. Z. Li, M. D. Smith, R. Gredel +2
Massive protostars dramatically influence their surroundings via accretion-induced outflows and intense radiation fields. They evolve rapidly, the disk and infalling envelope being…
The Molecular Hydrogen Explorer H2EX
F. Boulanger, J. P. Maillard, P. Appleton +12
The Molecular Hydrogen Explorer, H2EX, was proposed in response to the ESA 2015 - 2025 Cosmic Vision Call as a medium class space mission with NASA and CSA participations. The miss…
A shallow though extensive H2 2.12 micron imaging survey of Taurus-Auriga-Perseus: I. NGC1333, L1455, L1448 and B1
C. J. Davis, P. Scholz, P. Lucas +2
We discuss wide-field near-IR imaging of the NGC1333, L1448, L1455 and B1 star forming regions in Perseus. The observations have been extracted from a much larger narrow-band imagi…
Near-infrared, IFU spectroscopy unravels the bow-shock HH99B
T. Giannini, L. Calzoletti, B. Nisini +3
We aim to characterise the morphology and the physical parameters governing the shock physics of the Herbig-Haro object HH99B. We have obtained SINFONI-SPIFFI IFU spectroscopy betw…
The UKIDSS Galactic Plane Survey
P. W. Lucas, M. G. Hoare, A. Longmore +28
The UKIDSS Galactic Plane Survey (GPS) is one of the five near infrared Public Legacy Surveys that are being undertaken by the UKIDSS consortium, using the Wide Field Camera on the…
Three-Dimensional Observations of H_2 Emission around Sgr A East - I. Structure in the Central 10 Parsecs of Our Galaxy
Sungho Lee, Soojong Pak, Minho Choi +6
We have obtained velocity-resolved spectra of the H_2 v=1-0 S(1) (lambda = 2.1218 micron) emission line at 2 arcsec angular resolution (or 0.08 pc spatial resolution) in four regio…
A survey of SiO 5-4 emission towards outflows from massive young stellar objects
A. G. Gibb, C. J. Davis, T. J. T. Moore
Results are presented of a survey of SiO 5-4 emission observed with the James Clerk Maxwell Telescope (JCMT) towards a sample of outflows from massive young stellar objects. The sa…
The James Clerk Maxwell Telescope Legacy Survey of Nearby Star-forming Regions in the Gould Belt
D. Ward-Thompson, J. Di Francesco, J. Hatchell +59
This paper describes a James Clerk Maxwell Telescope (JCMT) legacy survey that has been awarded roughly 500 hrs of observing time to be carried out from 2007 to 2009. In this surve…
The UKIRT Infrared Deep Sky Survey Second Data Release
S. J. Warren, N. J. G. Cross, S. Dye +26
The UKIRT Infrared Deep Sky Survey (UKIDSS) is a set of five large near-infrared surveys, covering a complementary range of areas, depths, and Galactic latitudes. The UKIDSS Second…
WFCAM, Spitzer-IRAC and SCUBA observations of the massive star forming region DR21/W75: I. The collimated molecular jets
C. J. Davis, M. S. N. Kumar, G. Sandell +3
We present wide-field near-infrared images of the DR21/W75 high-mass star forming region, obtained with the Wide Field Camera, WFCAM, on the United Kingdom Infrared Telescope. Broa…
WFCAM, Spitzer-IRAC and SCUBA observations of the massive star forming region DR21/W75: II. Stellar content and star formation
M. S. N. Kumar, C. J. Davis, J. M. C. Grave +2
Wide field near-infrared observations and Spitzer Space Telescope IRAC observations of the DR21/W75 star formation regions are presented. The photometric data are used to analyse t…
The UKIRT Infrared Deep Sky Survey First Data Release
S. J. Warren, N. C. Hambly, S. Dye +37
The First Data Release (DR1) of the UKIRT Infrared Deep Sky Survey (UKIDSS) took place on 2006 July 21. UKIDSS is a set of five large near-infrared surveys, covering a complementar…
JHK Observations of Faint Standard Stars in the Mauna Kea Near-Infrared Photometric System
S. K. Leggett, M. J. Currie, W. P. Varricatt +10
JHK photometry in the Mauna Kea Observatory (MKO) near-IR system is presented for 115 stars. Of these, 79 are UKIRT standards and 42 are LCO standards. The average brightness is 11…
Subaru IR Echelle Spectroscopy of Herbig-Haro Driving Sources I. H_2 and [Fe II] Emission
M. Takami, A. Chrysostomou, T. P. Ray +6
We present infrared echelle spectroscopy of three Herbig-Haro (HH) driving sources (SVS 13, B5-IRS 1 and HH 34 IRS) using Subaru-IRCS. The large diameter of the telescope and wide…
AO Assisted Near-IR Spectroscopy of SVS 13 and its Jet
C. J. Davis, B. Nisini, M. Takami +5
We present long-slit H- and K-band spectroscopy of the low-mass outflow source SVS 13, obtained with the adaptive-optics assisted imager-spectrometer NACO on the VLT. With a spatia…
A mean redshift of 2.8 for Swift gamma-ray bursts
P. Jakobsson, A. Levan, J. P. U. Fynbo +18
The exceptionally high luminosities of gamma-ray bursts (GRBs), gradually emerging as extremely useful probes of star formation, make them promising tools for exploration of the hi…
Near-Infrared echelle spectroscopy of Proto-Planetary Nebulae: probing the fast wind in H2
C. J. Davis, M. D. Smith, T. M. Gledhill +1
Echelle spectroscopy of H2, [FeII] and Br-gamma line emission from a very young planetary nebula, IRAS 21282+5050, and from four proto-planetary nebulae, IRAS 19343+2926 (M 1-92),…
Multi-epoch infrared photometry of the star forming region G173.58+2.45
Watson P. Varricatt, Christopher J. Davis, Andrew J. Adamson
We present a multi-epoch infrared photometric study of the intermediate-mass star forming region G173.58+2.45. Photometric observations are obtained using the near-infrared $JHKL'M…
The near-infrared excitation of the HH211 protostellar outflow
Barry O'Connell, Michael D. Smith, Dirk Froebrich +2
The protostellar outflow HH211 is of considerable interest since it is extremely young and highly collimated. Here, we explore the outflow through imaging and spectroscopy in the n…
High Resolution Observations of the Near-Infrared Emission from NGC 6822 Hubble V
Sungho Lee, Soojong Pak, Sang-Gak Lee +4
We observed Hubble V, the brightest HII region complex in the dwarf irregular galaxy NGC 6822, at near-infrared (1.8--2.4 um) wavelengths using the Cooled Grating Spectrometer 4 (C…
Embedded Star Clusters in the W51 Giant Molecular Cloud
M. S. N. Kumar, U. S. Kamath, C. J. Davis
We present sub-arcsecond (0.35"-0.9"), near-infrared J,H,K band photometric observations of six fields along the W51 Giant Molecular Cloud (W51 GMC). Our observations reveal four n…
Paschen beta emission as a tracer of outflow activity from T-Tauri stars, as compared to Optical Forbidden emission
E. T. Whelan, T. P. Ray, C. J. Davis
The Paschen beta (1.2822 micron) emission line found in the near-infrared spectra of T-Tauri stars (TTSs) is believed to trace the accretion of material onto the central star. We p…