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.

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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/269454</identifier>
  <creators>
    <creator>
      <creatorName>Avdan, H.</creatorName>
      <givenName>H.</givenName>
      <familyName>Avdan</familyName>
      <affiliation>Adiyaman Univ, Dept Phys, TR-02040 Adiyaman, Turkiye</affiliation>
    </creator>
    <creator>
      <creatorName>Sonbas, E.</creatorName>
      <givenName>E.</givenName>
      <familyName>Sonbas</familyName>
    </creator>
    <creator>
      <creatorName>Dhuga, K. S.</creatorName>
      <givenName>K. S.</givenName>
      <familyName>Dhuga</familyName>
      <affiliation>George Washington Univ, Dept Phys, Washington, DC 20052 USA</affiliation>
    </creator>
    <creator>
      <creatorName>Vinokurov, A.</creatorName>
      <givenName>A.</givenName>
      <familyName>Vinokurov</familyName>
      <affiliation>Special Astrophys Observ Russian AS, Nizhnii Arkhyz, Russia</affiliation>
    </creator>
    <creator>
      <creatorName>Goegues, E.</creatorName>
      <givenName>E.</givenName>
      <familyName>Goegues</familyName>
      <affiliation>Sabanci Univ, Fac Engn &amp; Nat Sci, Istanbul, Turkiye</affiliation>
    </creator>
    <creator>
      <creatorName>Avdan, S.</creatorName>
      <givenName>S.</givenName>
      <familyName>Avdan</familyName>
      <affiliation>Adiyaman Univ, Dept Phys, TR-02040 Adiyaman, Turkiye</affiliation>
    </creator>
    <creator>
      <creatorName>Solovyeva, Y. N.</creatorName>
      <givenName>Y. N.</givenName>
      <familyName>Solovyeva</familyName>
      <affiliation>Special Astrophys Observ Russian AS, Nizhnii Arkhyz, Russia</affiliation>
    </creator>
    <creator>
      <creatorName>Kostenkov, A. E.</creatorName>
      <givenName>A. E.</givenName>
      <familyName>Kostenkov</familyName>
      <affiliation>Special Astrophys Observ Russian AS, Nizhnii Arkhyz, Russia</affiliation>
    </creator>
    <creator>
      <creatorName>Shablovinskaya, E. S.</creatorName>
      <givenName>E. S.</givenName>
      <familyName>Shablovinskaya</familyName>
      <affiliation>Special Astrophys Observ Russian AS, Nizhnii Arkhyz, Russia</affiliation>
    </creator>
    <creator>
      <creatorName>Goktas, D.</creatorName>
      <givenName>D.</givenName>
      <familyName>Goktas</familyName>
      <affiliation>Adiyaman Univ, Dept Phys, TR-02040 Adiyaman, Turkiye</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Optical Counterparts Of Two Candidate Ultraluminous X-Ray Sources In Ngc 4536</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2023</publicationYear>
  <dates>
    <date dateType="Issued">2023-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/269454</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1093/mnras/stad879</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;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.&lt;/p&gt;</description>
  </descriptions>
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