Optical observations of the nearby galaxy IC342 with narrow band [SII] and Hα filters. I

Vučetić, M. M.; Арбутина, Б.; Urošević, D.; Dobardžić, A.; Pavlović, Marko Z.; Pannuti, T. G.; Petrov, N.

doi:10.2298/saj1387011v

Cited by 6 publications

(7 citation statements)

References 12 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Since there were no previous optical SNR detections, we used same [N ii]λ6548/Hα ratio for our SNR can-didates. Also, emission from [S ii] lines at λ6717 Å, λ6731 Å, was corrected for filter transmission, as suggested in Vučetić et al (2013). 2.…”

Section: Optical Observationsmentioning

confidence: 99%

Optical observations of the nearby galaxy NGC 2366 through narrowband Hα and [SII] filters. Supernova remnants status

Vučetić¹,

Onić²,

Petrov

et al. 2019

SERBIAN ASTRON J

Self Cite

View full text Add to dashboard Cite

We present detection of 67 H ii regions and two optical supernova remnant (SNR) candidates in the nearby irregular galaxy NGC 2366. The SNR candidates were detected by applying [S ii]/Hα ratio criterion to observations made with the 2-m RCC telescope at Rozhen National Astronomical Observatory in Bulgaria. In this paper we report coordinates, diameters, Hα and [S ii] fluxes for detected objects across the two fields of view in NGC 2366 galaxy. Using archival XMM-Newton observations we suggest possible X-ray counterparts of two optical SNR candidates. Also, we discard classification of two previous radio SNR candidates in this galaxy, since they appear to be background galaxies.

show abstract

Section: Optical Observationsmentioning

confidence: 99%

Optical observations of the nearby galaxy NGC 2366 through narrowband Hα and [SII] filters. Supernova remnants status

Vučetić¹,

Onić²,

Petrov

et al. 2019

SERBIAN ASTRON J

Self Cite

View full text Add to dashboard Cite

show abstract

“…In the cases where Hα fluxes for SNRs given in original work have been previously corrected for Galactic foreground extinction and [N ii] contamination, we recalculate fluxes in order to make them corrected in the same manner as was done by Kennicutt et al (2008). In order to remove [N ii] contamination from fluxes we used integrated [N ii] λλ6548, 6583/Hα ratio from Kennicutt et al (2008) and the procedure presented in Vučetić et al (2013), which takes into account different filter transmittance at position of each of these three emission lines. No internal extinction correction was done to any of the fluxes presented in this paper.…”

Section: Discussionmentioning

confidence: 99%

“…Their paper reported detection of 4 SNRs, but they observed only central part of the galaxy. Vučetić et al (2013) performed search for SNRs and H ii regions in South-western part of this galaxy through Hα and [S ii] filters. Until now, Vučetić et al (2013) have published only detections of H ii regions, while results for SNRs are in preparation.…”

Section: Galaxies With Optically Identified Snrsmentioning

confidence: 99%

Optical supernova remnants in nearby galaxies and their influence on star formation rates derived from Hα emission

Vučetić

Арбутина

Urošević

2014

Monthly Notices of the Royal Astronomical Society

Self Cite

View full text Add to dashboard Cite

In this paper we present the most up-to-date list of nearby galaxies with optically detected supernova remnants (SNRs). We discuss the contribution of the Hα flux from the SNRs to the total Hα flux and its influence on derived star formation rate (SFR) for 18 galaxies in our sample. We found that the contribution of SNRs' flux to the total Hα flux is 5 ± 5%. Due to the observational selection effects, the SNRs contamination of SFRs derived herein represents only a lower limit.

show abstract

“…jects detected in emission lines are most likely SF regions; although some of them could also be supernova remnants (SNRs; Osterbrock & Ferland 2006;Vučetić et al 2013Vučetić et al , 2015Vučetić et al , 2019. Only five of these sources have a clear counterpart in the continuum and they are identified as HII in Table 3.…”

Section: Catalogs Of Continuum and Emission Line Sourcesmentioning

confidence: 99%

MUSE observations of the blue compact dwarf galaxy Haro 14. Data analysis and first results on morphology and stellar populations

Cairós,

González-Pérez,

Weilbacher

et al. 2021

Preprint

View full text Add to dashboard Cite

Investigations of blue compact galaxies (BCGs) are essential to advancing our understanding of galaxy formation and evolution. BCGs are low-luminosity, low-metallicity, gas-rich objects that form stars at extremely high rates, meaning they are good analogs to the high-redshift star-forming galaxy population. Being low-mass starburst systems, they also constitute excellent laboratories in which to investigate the star formation process and the interplay between massive stars and their surroundings. This work presents results from integral field spectroscopic observations of the BCG Haro 14 taken with the Multi Unit Spectroscopic Explorer (MUSE) at the Very Large Telescope in wide-field adaptive optics mode. The large MUSE field of view (1 ′ × 1 ′ =3.8 × 3.8 kpc 2 at the adopted distance of 13 Mpc) enables simultaneous observations of the central starburst and the low-surface-brightness host galaxy, which is a huge improvement with respect to previous integral field spectroscopy of BCGs. From these data we built galaxy maps in continuum and in the brightest emission lines. We also generated synthetic broad-band images in the VRI bands, from which we produced color index maps and surface brightness profiles. We detected numerous clumps spread throughout the galaxy, both in continuum and in emission lines, and produced a catalog with their position, size, and photometry. This analysis allowed us to study the morphology and stellar populations of Haro 14 in detail. The stellar distribution shows a pronounced asymmetry; the intensity peak in continuum is not centered with respect to the underlying stellar host but is displaced by about 500 pc southwest. At the position of the continuum peak we find a bright stellar cluster that with M v = −12.18 appears as a strong super stellar cluster candidate. We also find a highly asymmetric, blue, but nonionizing stellar component that occupies almost the whole eastern part of the galaxy. We conclude that there are at least three different stellar populations in Haro 14: the current starburst of about 6 Myr; an intermediate-age component of between ten and several hundred million years; and a red and regular host of several gigayears. The pronounced lopsidedness in the continuum and also in the color maps, and the presence of numerous stellar clusters, are consistent with a scenario of mergers or interactions acting in Haro 14.

show abstract

Optical observations of the nearby galaxy IC342 with narrow band [SII] and Hα filters. I

Cited by 6 publications

References 12 publications

Optical observations of the nearby galaxy NGC 2366 through narrowband Hα and [SII] filters. Supernova remnants status

Optical observations of the nearby galaxy NGC 2366 through narrowband Hα and [SII] filters. Supernova remnants status

Optical supernova remnants in nearby galaxies and their influence on star formation rates derived from Hα emission

MUSE observations of the blue compact dwarf galaxy Haro 14. Data analysis and first results on morphology and stellar populations

Contact Info

Product

Resources

About