1 Ocak 2023 Dergi makalesi Açık Erişim

Avdan, H.; Sonbas, E.; Dhuga, K. S.; Vinokurov, A.; Goegues, E.; Avdan, S.; Solovyeva, Y. N.; Kostenkov, A. E.; Shablovinskaya, E. S.; Goktas, D.

Dublin Core

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  <dc:creator>Avdan, H.</dc:creator>
  <dc:creator>Sonbas, E.</dc:creator>
  <dc:creator>Dhuga, K. S.</dc:creator>
  <dc:creator>Vinokurov, A.</dc:creator>
  <dc:creator>Goegues, E.</dc:creator>
  <dc:creator>Avdan, S.</dc:creator>
  <dc:creator>Solovyeva, Y. N.</dc:creator>
  <dc:creator>Kostenkov, A. E.</dc:creator>
  <dc:creator>Shablovinskaya, E. S.</dc:creator>
  <dc:creator>Goktas, D.</dc:creator>
  <dc:date>2023-01-01</dc:date>
  <dc:description>Archival XMM-Newton, Chandra, and Hubble Space Telescope(HST) data have been used to study the X-ray and optical properties of two candidate ultraluminous X-ray sources in NGC 4536. In order to search for potential optical counterparts, relative astrometry between Chandra and HST was improved, and as a result, optical counterparts were detected for both X-ray sources. To complement our findings (based on the archival data), ground-based optical spectra of the counterparts were obtained with the 6-m BTA (Big Telescope Alt-azimuth) Telescope located at the Special Astrophysical Observatory. The calculated redshift (z = 0.4391 +/- 0.0010) for one of the sources (X-3) indicates that the source is, in fact, a background active galactic nucleus. Two possible optical counterparts (s1 and s2) were found for X-2. Whether s1 is point-like or an extended source is unclear: If it is point-like and the emission is dominated by the donor, its spectral type indicates O-B star. The second source (s2) is point-like and is consistent with the colours and absolute magnitudes of a red supergiant.</dc:description>
  <dc:identifier>https://aperta.ulakbim.gov.trrecord/269454</dc:identifier>
  <dc:identifier>oai:aperta.ulakbim.gov.tr:269454</dc:identifier>
  <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
  <dc:rights>http://www.opendefinition.org/licenses/cc-by</dc:rights>
  <dc:source>MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 521(4) 10</dc:source>
  <dc:title>Optical counterparts of two candidate ultraluminous X-ray sources in NGC 4536</dc:title>
  <dc:type>info:eu-repo/semantics/article</dc:type>
  <dc:type>publication-article</dc:type>
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