Search Results - "Tsamis, Y. G."

Refine Results
  1. 1

    A VLT VIMOS integral-field spectroscopic study of perturbed blue compact galaxies: UM 420 and UM 462 by James, B. L., Tsamis, Y. G., Barlow, M. J.

    “…We report on optical integral-field spectroscopy of two unrelated blue compact galaxies mapped with the 13 × 13 arcsec2 Visible Multi-Object Spectrograph…”
    Get full text
    Journal Article
  2. 2

    A VLT VIMOS study of the anomalous BCD Mrk 996: mapping the ionized gas kinematics and abundances by James, B. L., Tsamis, Y. G., Barlow, M. J., Westmoquette, M. S., Walsh, J. R., Cuisinier, F., Exter, K. M.

    “…A study of the blue compact dwarf (BCD) galaxy Mrk 996 based on high-resolution optical Very Large Telescope Visible Multi-Object Spectrograph integral field…”
    Get full text
    Journal Article
  3. 3

    A deep survey of heavy element lines in planetary nebulae - II. Recombination-line abundances and evidence for cold plasma by Tsamis, Y. G., Barlow, M. J., Liu, X.-W., Storey, P. J., Danziger, I. J.

    “…Abstract In our Paper I, we presented deep optical observations of the spectra of 12 Galactic planetary nebulae (PNe) and three Magellanic Cloud PNe, carrying…”
    Get full text
    Journal Article
  4. 4

    Integral field spectroscopy of planetary nebulae: mapping the line diagnostics and hydrogen-poor zones with VLT FLAMES by Tsamis, Y. G., Walsh, J. R., Péquignot, D., Barlow, M. J., Danziger, I. J., Liu, X.-W.

    “…Results from the first dedicated study of Galactic planetary nebulae (PNe) by means of optical integral field spectroscopy with the Very Large Telescope Fibre…”
    Get full text
    Journal Article
  5. 5

    Chemical abundances in the protoplanetary disc LV 2 (Orion): clues to the causes of the abundance anomaly in H ii regions by Tsamis, Y. G., Walsh, J. R., Vílchez, J. M., Péquignot, D.

    “…Optical integral field spectroscopy of the archetype protoplanetary disc LV 2 in the Orion nebula is presented, taken with the Very Large Telescope (VLT)…”
    Get full text
    Journal Article
  6. 6

    Searching for an intermediate-mass black hole in the blue compact dwarf galaxy MRK996 by Georgakakis, A, Tsamis, Y. G, James, B. L, Aloisi, A

    “…The possibility is explored that accretion on an intermediate-mass black hole contributes to the ionization of the interstellar medium of the compact blue…”
    Get full text
    Journal Article
  7. 7

    A deep survey of heavy element lines in planetary nebulae – I. Observations and forbidden-line densities, temperatures and abundances by Tsamis, Y. G., Barlow, M. J., Liu, X.-W., Danziger, I. J., Storey, P. J.

    “…We present deep optical spectrophotometry of 12 Galactic planetary nebulae (PNe) and three Magellanic Cloud PNe. Nine of the Galactic PNe were observed by…”
    Get full text
    Journal Article
  8. 8

    Molecular line profiles as diagnostics of protostellar collapse: modelling the ‘blue asymmetry’ in inside-out infall by Tsamis, Y. G., Rawlings, J. M. C., Yates, J. A., Viti, S.

    “…The evolution of star-forming core analogues undergoing inside-out collapse is studied with a multipoint chemodynamical model which self-consistently computes…”
    Get full text
    Journal Article
  9. 9

    The Lyman break analogue Haro 11: spatially resolved chemodynamics with VLT FLAMES by James, B. L., Tsamis, Y. G., Walsh, J. R., Barlow, M. J., Westmoquette, M. S.

    “…Using VLT/Fibre Large Array Multi Element Spectrograph (FLAMES) optical integral field unit observations, we present the first spatially resolved spectroscopic…”
    Get full text
    Journal Article
  10. 10

    The merging dwarf galaxy UM 448: chemodynamics of the ionized gas from VLT integral field spectroscopy by James, B. L., Tsamis, Y. G., Barlow, M. J., Walsh, J. R., Westmoquette, M. S.

    “…Using Very Large Telescope/Fibre Large Array Multi Element Spectrograph optical integral field unit observations, we present a detailed study of UM 448, a…”
    Get full text
    Journal Article
  11. 11

    Chemical abundances in the protoplanetary disc LV2 (Orion) - II. High-dispersion VLT observations and microjet properties by Tsamis, Y. G, Walsh, J. R

    “…ABSTRACT Integral field spectroscopy of the LV2 proplyd is presented taken with the Very Large Telescope (VLT)/FLAMES Argus array at an angular resolution of…”
    Get full text
    Journal Article
  12. 12

    Chemical abundances in the protoplanetary disc LV 2 (Orion) - II. High-dispersion VLT observations and microjet properties by Tsamis, Y. G., Walsh, J. R.

    “…Integral field spectroscopy of the LV 2 proplyd is presented taken with the Very Large Telescope (VLT)/FLAMES Argus array at an angular resolution of 0.31 ×…”
    Get full text
    Journal Article
  13. 13
  14. 14
  15. 15

    Chemical abundances in Orion protoplanetary discs: integral field spectroscopy and photoevaporation models of HST 10 by Tsamis, Y. G., Flores-Fajardo, N., Henney, W. J., Walsh, J. R., Mesa-Delgado, A.

    “…Photoevaporating protoplanetary discs (proplyds) in the vicinity of hot massive stars, such as those found in Orion, are important objects of study for the…”
    Get full text
    Journal Article
  16. 16

    Ionized gas diagnostics from protoplanetary discs in the Orion nebula and the abundance discrepancy problem by Mesa-Delgado, A., Núñez-Díaz, M., Esteban, C., García-Rojas, J., Flores-Fajardo, N., López-Martín, L., Tsamis, Y. G., Henney, W. J.

    “…Abstract We present results from integral field spectroscopy of a field located near the Trapezium Cluster using the Potsdam Multi-Aperture Spectrophotometer…”
    Get full text
    Journal Article
  17. 17
  18. 18

    Searching for an intermediate-mass black hole in the blue compact dwarf galaxy MRK 996 by Georgakakis, A., Tsamis, Y. G., James, B. L., Aloisi, A.

    “…The possibility is explored that accretion on an intermediate-mass black hole contributes to the ionization of the interstellar medium of the compact blue…”
    Get full text
    Journal Article
  19. 19
  20. 20

    Detection of the Central Star of the Planetary Nebula NGC 6302 by Szyszka, C, Walsh, J. R, Zijlstra, Albert A, Tsamis, Y. G

    Published in The Astrophysical journal (10-12-2009)
    “…NGC 6302 is one of the highest ionization planetary nebulae (PNe) known and shows emission from species with ionization potential > 300 eV. The temperature of…”
    Get full text
    Journal Article