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Discovery and follow-up of the unusual nuclear transient OGLE17aaj
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| Zeitschriftentitel: | Astronomy & Astrophysics |
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| Personen und Körperschaften: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
| In: | Astronomy & Astrophysics, 622, 2019, S. L2 |
| Format: | E-Article |
| Sprache: | Unbestimmt |
| veröffentlicht: |
EDP Sciences
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| Schlagwörter: |
| author_facet |
Gromadzki, M. Hamanowicz, A. Wyrzykowski, L. Sokolovsky, K. V. Fraser, M. Kozłowski, Sz. Guillochon, J. Arcavi, I. Trakhtenbrot, B. Jonker, P. G. Mattila, S. Udalski, A. Szymański, M. K. Soszyński, I. Poleski, R. Pietrukowicz, P. Skowron, J. Mróz, P. Ulaczyk, K. Pawlak, M. Rybicki, K. A. Sollerman, J. Taddia, F. Kostrzewa-Rutkowska, Z. Onori, F. Young, D. R. Maguire, K. Smartt, S. J. Inserra, C. Gal-Yam, A. Rau, A. Chen, T.-W. Angus, C. R. Buckley, D. A. H. Gromadzki, M. Hamanowicz, A. Wyrzykowski, L. Sokolovsky, K. V. Fraser, M. Kozłowski, Sz. Guillochon, J. Arcavi, I. Trakhtenbrot, B. Jonker, P. G. Mattila, S. Udalski, A. Szymański, M. K. Soszyński, I. Poleski, R. Pietrukowicz, P. Skowron, J. Mróz, P. Ulaczyk, K. Pawlak, M. Rybicki, K. A. Sollerman, J. Taddia, F. Kostrzewa-Rutkowska, Z. Onori, F. Young, D. R. Maguire, K. Smartt, S. J. Inserra, C. Gal-Yam, A. Rau, A. Chen, T.-W. Angus, C. R. Buckley, D. A. H. |
|---|---|
| author |
Gromadzki, M. Hamanowicz, A. Wyrzykowski, L. Sokolovsky, K. V. Fraser, M. Kozłowski, Sz. Guillochon, J. Arcavi, I. Trakhtenbrot, B. Jonker, P. G. Mattila, S. Udalski, A. Szymański, M. K. Soszyński, I. Poleski, R. Pietrukowicz, P. Skowron, J. Mróz, P. Ulaczyk, K. Pawlak, M. Rybicki, K. A. Sollerman, J. Taddia, F. Kostrzewa-Rutkowska, Z. Onori, F. Young, D. R. Maguire, K. Smartt, S. J. Inserra, C. Gal-Yam, A. Rau, A. Chen, T.-W. Angus, C. R. Buckley, D. A. H. |
| spellingShingle |
Gromadzki, M. Hamanowicz, A. Wyrzykowski, L. Sokolovsky, K. V. Fraser, M. Kozłowski, Sz. Guillochon, J. Arcavi, I. Trakhtenbrot, B. Jonker, P. G. Mattila, S. Udalski, A. Szymański, M. K. Soszyński, I. Poleski, R. Pietrukowicz, P. Skowron, J. Mróz, P. Ulaczyk, K. Pawlak, M. Rybicki, K. A. Sollerman, J. Taddia, F. Kostrzewa-Rutkowska, Z. Onori, F. Young, D. R. Maguire, K. Smartt, S. J. Inserra, C. Gal-Yam, A. Rau, A. Chen, T.-W. Angus, C. R. Buckley, D. A. H. Astronomy & Astrophysics Discovery and follow-up of the unusual nuclear transient OGLE17aaj Space and Planetary Science Astronomy and Astrophysics |
| author_sort |
gromadzki, m. |
| spelling |
Gromadzki, M. Hamanowicz, A. Wyrzykowski, L. Sokolovsky, K. V. Fraser, M. Kozłowski, Sz. Guillochon, J. Arcavi, I. Trakhtenbrot, B. Jonker, P. G. Mattila, S. Udalski, A. Szymański, M. K. Soszyński, I. Poleski, R. Pietrukowicz, P. Skowron, J. Mróz, P. Ulaczyk, K. Pawlak, M. Rybicki, K. A. Sollerman, J. Taddia, F. Kostrzewa-Rutkowska, Z. Onori, F. Young, D. R. Maguire, K. Smartt, S. J. Inserra, C. Gal-Yam, A. Rau, A. Chen, T.-W. Angus, C. R. Buckley, D. A. H. 0004-6361 1432-0746 EDP Sciences Space and Planetary Science Astronomy and Astrophysics http://dx.doi.org/10.1051/0004-6361/201833682 <jats:p><jats:italic>Aims</jats:italic>. We report on the discovery and follow-up of a peculiar transient, OGLE17aaj, which occurred in the nucleus of a weakly active galaxy. We investigate whether it can be interpreted as a new candidate for a tidal disruption event (TDE).</jats:p> <jats:p><jats:italic>Methods</jats:italic>. We present the OGLE-IV light curve that covers the slow 60-day-long rise to maximum along with photometric, spectroscopic, and X-ray follow-up during the first year.</jats:p> <jats:p><jats:italic>Results</jats:italic>. OGLE17aaj is a nuclear transient exhibiting some properties similar to previously found TDEs, including a long rise time, lack of colour-temperature evolution, and high black-body temperature. On the other hand, its narrow emission lines and slow post-peak evolution are different from previously observed TDEs. Its spectrum and light-curve evolution is similar to F01004-2237 and AT 2017bgt. Signatures of historical low-level nuclear variability suggest that OGLE17aaj may instead be related to a new type of accretion event in active super-massive black holes.</jats:p> Discovery and follow-up of the unusual nuclear transient OGLE17aaj Astronomy & Astrophysics |
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| title |
Discovery and follow-up of the unusual nuclear transient OGLE17aaj |
| title_unstemmed |
Discovery and follow-up of the unusual nuclear transient OGLE17aaj |
| title_full |
Discovery and follow-up of the unusual nuclear transient OGLE17aaj |
| title_fullStr |
Discovery and follow-up of the unusual nuclear transient OGLE17aaj |
| title_full_unstemmed |
Discovery and follow-up of the unusual nuclear transient OGLE17aaj |
| title_short |
Discovery and follow-up of the unusual nuclear transient OGLE17aaj |
| title_sort |
discovery and follow-up of the unusual nuclear transient ogle17aaj |
| topic |
Space and Planetary Science Astronomy and Astrophysics |
| url |
http://dx.doi.org/10.1051/0004-6361/201833682 |
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2019 |
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L2 |
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<jats:p><jats:italic>Aims</jats:italic>. We report on the discovery and follow-up of a peculiar transient, OGLE17aaj, which occurred in the nucleus of a weakly active galaxy. We investigate whether it can be interpreted as a new candidate for a tidal disruption event (TDE).</jats:p>
<jats:p><jats:italic>Methods</jats:italic>. We present the OGLE-IV light curve that covers the slow 60-day-long rise to maximum along with photometric, spectroscopic, and X-ray follow-up during the first year.</jats:p>
<jats:p><jats:italic>Results</jats:italic>. OGLE17aaj is a nuclear transient exhibiting some properties similar to previously found TDEs, including a long rise time, lack of colour-temperature evolution, and high black-body temperature. On the other hand, its narrow emission lines and slow post-peak evolution are different from previously observed TDEs. Its spectrum and light-curve evolution is similar to F01004-2237 and AT 2017bgt. Signatures of historical low-level nuclear variability suggest that OGLE17aaj may instead be related to a new type of accretion event in active super-massive black holes.</jats:p> |
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| author | Gromadzki, M., Hamanowicz, A., Wyrzykowski, L., Sokolovsky, K. V., Fraser, M., Kozłowski, Sz., Guillochon, J., Arcavi, I., Trakhtenbrot, B., Jonker, P. G., Mattila, S., Udalski, A., Szymański, M. K., Soszyński, I., Poleski, R., Pietrukowicz, P., Skowron, J., Mróz, P., Ulaczyk, K., Pawlak, M., Rybicki, K. A., Sollerman, J., Taddia, F., Kostrzewa-Rutkowska, Z., Onori, F., Young, D. R., Maguire, K., Smartt, S. J., Inserra, C., Gal-Yam, A., Rau, A., Chen, T.-W., Angus, C. R., Buckley, D. A. H. |
| author_facet | Gromadzki, M., Hamanowicz, A., Wyrzykowski, L., Sokolovsky, K. V., Fraser, M., Kozłowski, Sz., Guillochon, J., Arcavi, I., Trakhtenbrot, B., Jonker, P. G., Mattila, S., Udalski, A., Szymański, M. K., Soszyński, I., Poleski, R., Pietrukowicz, P., Skowron, J., Mróz, P., Ulaczyk, K., Pawlak, M., Rybicki, K. A., Sollerman, J., Taddia, F., Kostrzewa-Rutkowska, Z., Onori, F., Young, D. R., Maguire, K., Smartt, S. J., Inserra, C., Gal-Yam, A., Rau, A., Chen, T.-W., Angus, C. R., Buckley, D. A. H., Gromadzki, M., Hamanowicz, A., Wyrzykowski, L., Sokolovsky, K. V., Fraser, M., Kozłowski, Sz., Guillochon, J., Arcavi, I., Trakhtenbrot, B., Jonker, P. G., Mattila, S., Udalski, A., Szymański, M. K., Soszyński, I., Poleski, R., Pietrukowicz, P., Skowron, J., Mróz, P., Ulaczyk, K., Pawlak, M., Rybicki, K. A., Sollerman, J., Taddia, F., Kostrzewa-Rutkowska, Z., Onori, F., Young, D. R., Maguire, K., Smartt, S. J., Inserra, C., Gal-Yam, A., Rau, A., Chen, T.-W., Angus, C. R., Buckley, D. A. H. |
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| description | <jats:p><jats:italic>Aims</jats:italic>. We report on the discovery and follow-up of a peculiar transient, OGLE17aaj, which occurred in the nucleus of a weakly active galaxy. We investigate whether it can be interpreted as a new candidate for a tidal disruption event (TDE).</jats:p> <jats:p><jats:italic>Methods</jats:italic>. We present the OGLE-IV light curve that covers the slow 60-day-long rise to maximum along with photometric, spectroscopic, and X-ray follow-up during the first year.</jats:p> <jats:p><jats:italic>Results</jats:italic>. OGLE17aaj is a nuclear transient exhibiting some properties similar to previously found TDEs, including a long rise time, lack of colour-temperature evolution, and high black-body temperature. On the other hand, its narrow emission lines and slow post-peak evolution are different from previously observed TDEs. Its spectrum and light-curve evolution is similar to F01004-2237 and AT 2017bgt. Signatures of historical low-level nuclear variability suggest that OGLE17aaj may instead be related to a new type of accretion event in active super-massive black holes.</jats:p> |
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| spelling | Gromadzki, M. Hamanowicz, A. Wyrzykowski, L. Sokolovsky, K. V. Fraser, M. Kozłowski, Sz. Guillochon, J. Arcavi, I. Trakhtenbrot, B. Jonker, P. G. Mattila, S. Udalski, A. Szymański, M. K. Soszyński, I. Poleski, R. Pietrukowicz, P. Skowron, J. Mróz, P. Ulaczyk, K. Pawlak, M. Rybicki, K. A. Sollerman, J. Taddia, F. Kostrzewa-Rutkowska, Z. Onori, F. Young, D. R. Maguire, K. Smartt, S. J. Inserra, C. Gal-Yam, A. Rau, A. Chen, T.-W. Angus, C. R. Buckley, D. A. H. 0004-6361 1432-0746 EDP Sciences Space and Planetary Science Astronomy and Astrophysics http://dx.doi.org/10.1051/0004-6361/201833682 <jats:p><jats:italic>Aims</jats:italic>. We report on the discovery and follow-up of a peculiar transient, OGLE17aaj, which occurred in the nucleus of a weakly active galaxy. We investigate whether it can be interpreted as a new candidate for a tidal disruption event (TDE).</jats:p> <jats:p><jats:italic>Methods</jats:italic>. We present the OGLE-IV light curve that covers the slow 60-day-long rise to maximum along with photometric, spectroscopic, and X-ray follow-up during the first year.</jats:p> <jats:p><jats:italic>Results</jats:italic>. OGLE17aaj is a nuclear transient exhibiting some properties similar to previously found TDEs, including a long rise time, lack of colour-temperature evolution, and high black-body temperature. On the other hand, its narrow emission lines and slow post-peak evolution are different from previously observed TDEs. Its spectrum and light-curve evolution is similar to F01004-2237 and AT 2017bgt. Signatures of historical low-level nuclear variability suggest that OGLE17aaj may instead be related to a new type of accretion event in active super-massive black holes.</jats:p> Discovery and follow-up of the unusual nuclear transient OGLE17aaj Astronomy & Astrophysics |
| spellingShingle | Gromadzki, M., Hamanowicz, A., Wyrzykowski, L., Sokolovsky, K. V., Fraser, M., Kozłowski, Sz., Guillochon, J., Arcavi, I., Trakhtenbrot, B., Jonker, P. G., Mattila, S., Udalski, A., Szymański, M. K., Soszyński, I., Poleski, R., Pietrukowicz, P., Skowron, J., Mróz, P., Ulaczyk, K., Pawlak, M., Rybicki, K. A., Sollerman, J., Taddia, F., Kostrzewa-Rutkowska, Z., Onori, F., Young, D. R., Maguire, K., Smartt, S. J., Inserra, C., Gal-Yam, A., Rau, A., Chen, T.-W., Angus, C. R., Buckley, D. A. H., Astronomy & Astrophysics, Discovery and follow-up of the unusual nuclear transient OGLE17aaj, Space and Planetary Science, Astronomy and Astrophysics |
| title | Discovery and follow-up of the unusual nuclear transient OGLE17aaj |
| title_full | Discovery and follow-up of the unusual nuclear transient OGLE17aaj |
| title_fullStr | Discovery and follow-up of the unusual nuclear transient OGLE17aaj |
| title_full_unstemmed | Discovery and follow-up of the unusual nuclear transient OGLE17aaj |
| title_short | Discovery and follow-up of the unusual nuclear transient OGLE17aaj |
| title_sort | discovery and follow-up of the unusual nuclear transient ogle17aaj |
| title_unstemmed | Discovery and follow-up of the unusual nuclear transient OGLE17aaj |
| topic | Space and Planetary Science, Astronomy and Astrophysics |
| url | http://dx.doi.org/10.1051/0004-6361/201833682 |