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Related papers: Emission line objects in NGC 6822. New Planetary N…

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We present the results of a search for molecular gas emission from a star-forming galaxy at z = 4.9. The galaxy benefits from magnification of 22 +/- 5x due to strong gravitational lensing by the foreground cluster MS1358+62. We target the…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 R. C. Livermore , A. M. Swinbank , I. Smail , R. G. Bower , K. E. K. Coppin , R. A. Crain , A. C. Edge , J. E. Geach , J. Richard

We present the third list with results {Tables 2 to 6 are available only in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or via http://cdsweb.u-strasbg.fr/Abstract.html. Figures A1 to A9 will be made…

Spatially resolved profiles of the Halpha and [NII] lines have been obtained at unprecendented signal--to--noise ratios over the outflowing lobes of the high--excitation, poly--polar planetary nebula NGC~6302. A deep image in the light of…

Astrophysics · Physics 2008-11-26 J. Meaburn , J. A. Lopez , W. Steffen , M. F. Graham , A. J. Holloway

We have completed an optical spectroscopic survey of the nuclear regions (r < 200 pc) of a large sample of nearby galaxies. Although the main objectives of the survey are to search for low-luminosity active galactic nuclei and to quantify…

Astrophysics · Physics 2011-06-15 Luis C. Ho , Alexei V. Filippenko , Wallace L. W. Sargent

We present a spatially resolved Baldwin-Phillips-Terlevich analysis of the narrow-line region (NLR) in the low-ionization nuclear emission-line region (LINER) I galaxy NGC 5005 using Hubble Space Telescope narrowband imaging of [O…

Astrophysics of Galaxies · Physics 2025-06-19 Anna Trindade Falcão , G. Fabbiano , M. Elvis , P. Zhu , S. Kraemer , W. P. Maksym , R. Middei , D. L. Król

High resolution infrared imaging observations of the young Planetary Nebulae NGC 7027 and BD +303639, taken with the newly installed TIFR Infrared Camera-II (TIRCAM2) on 3.6m Devasthal Optical Telescope (DOT), ARIES, Nainital, are being…

Solar and Stellar Astrophysics · Physics 2020-11-10 Rahul Kumar Anand , Shantanu Rastogi , Brijesh Kumar , Arpan Ghosh , Saurabh Sharma , D. k. Ojha , S. k. Ghosh

We present the results of the extensive narrow-band survey of Ly\alpha\ emission-line objects at z=3.1 in the 1.38 deg^2 area surrounding the high density region of star-forming galaxies at z=3.09 in the SSA22 field, as well as in the 1.04…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 T. Yamada , Y. Nakamura , Y. Matsuda , T. Hayashino , R. Yamauchi , N. Morimoto , K. Kousai , M. Umemura

Optical emission lines across the Small Magellanic Cloud (SMC) have been measured from multiple fields using the Australian National University (ANU) 2.3m telescope with the Wide-Field Spectrograph (WiFeS). Interpolated maps of the…

Astrophysics of Galaxies · Physics 2024-11-11 Philip Lah , Matthew Colless , Francesco D'Eugenio , Brent Groves , Joseph D. Gelfand

Planetary nebula (PN) surveys in systems beyond ~10 Mpc often find high-excitation, point-like sources with [O III] $\lambda 5007$ fluxes greater than the apparent bright-end cutoff of the planetary nebula luminosity function (PNLF). Here…

Astrophysics of Galaxies · Physics 2023-06-28 Owen Chase , Robin Ciardullo , Martin Roth , George Jacoby

Distance estimates based on low-resolution spectroscopy and Two Micron All Sky Survey (2MASS) J magnitudes are presented for a large sample of 322 nearby candidates from Luyten's NLTT catalogue. Mainly relatively bright (typically 7 < K_s <…

Astrophysics · Physics 2009-11-13 Ralf-Dieter Scholz , Helmut Meusinger , Hartmut Jahreiß

The VLA and the BIMA array were used to obtain high resolution (10-20") observations of C+, traced by the C91a recombination line at 8.6 GHz, and the dense molecular gas, traced by HCN and HCO+(1-0), of the photon dominated region (PDR)…

Astrophysics · Physics 2009-10-31 F. Wyrowski , C. M. Walmsley , W. M. Goss , A. G. G. M. Tielens

We present high resolution spectra (0.7 A/pix) of the GPS source 4C 12.50 with large spectral coverage (~ 4500A) taken with the 4.2m William Herschel Telescope on La Palma. The slit was aligned along PA 160 to include the nucleus and…

Astrophysics · Physics 2009-11-07 J. Holt , C. N. Tadhunter , R. Morganti

We present the results of a nearly decade-long photometric reverberation mapping (PRM) survey of the H$\alpha$ emission line in nearby ($0.01\lesssim z \lesssim0.05$) Seyfert-Galaxies using small ($15\,\mathrm{cm}-40\,\mathrm{cm}$)…

Certain planetary nebulae contain shells, filaments, or globules of cold gas and dust whose heating and chemistry are likely driven by UV and X-ray emission from their central stars and from wind-collision-generated shocks. We present the…

Solar and Stellar Astrophysics · Physics 2019-05-22 Jesse Bublitz , Joel H. Kastner , Miguel Santander-García , Valentin Bujarrabal , Javier Alcolea , Rodolfo Montez

We present a search for companion [CII] emitters to known luminous sources at $6<$ z $<6.5$ in deep, archival ALMA observations. The observations are deep enough to detect sources with L$_{\rm [CII]} \sim 10^8$ at z $\sim6$. We identify…

We investigate spatially-resolved emission-line ratios in a sample of 219 galaxies ($0.6<z<1.3$) detected using the G102 grism on the \emph{Hubble Space Telescope} Wide Field Camera 3, taken as part of the CANDELS Ly$\alpha$ Emission at…

We present a sample of $\sim 1000$ emission line galaxies at $z=0.4-4.7$ from the $\sim0.7$deg$^2$ High-$z$ Emission Line Survey (HiZELS) in the Bo\"otes field identified with a suite of six narrow-band filters at $\approx 0.4-2.1$ $\mu$m.…

Astrophysics of Galaxies · Physics 2017-08-09 Jorryt Matthee , David Sobral , Philip Best , Ian Smail , Fuyan Bian , Behnam Darvish , Huub Röttgering , Xiaohui Fan

Three molecular clouds have been mapped in the nearby metal-poor dwarf irregular galaxy NGC 6822 using the Owens Valley Millimeter-Wave Interferometer. Based on upper limits to the virial masses of the clouds, the CO-to-H2 conversion factor…

Astrophysics · Physics 2009-10-22 C. D. Wilson

We obtained optical spectra of the counterpart of the ultraluminous X-ray source NGC 5408 X-1 using the FORS spectrograph on the VLT. The spectra show strong high excitation emission lines, He{\sc ii} $\lambda$4686 and [Ne{\sc V}]…

High Energy Astrophysical Phenomena · Physics 2010-01-15 Philip Kaaret , Stephane Corbel