Skip to main content
×
×
Home

Can we infer the past activity of M31⋆ as we do for Sgr A⋆?

  • Maïca Clavel (a1), Régis Terrier (a2), Andrea Goldwurm (a2) (a3), Mark R. Morris (a4) and Gabriele Ponti (a5)...
Abstract

The history of supermassive black holes’ activity can be partly constrained by monitoring the diffuse X-ray emission possibly created by the echoes of past events propagating through the molecular clouds of their respective environments. In particular, using this method we have demonstrated that our Galaxy’s supermassive black hole, Sgr A⋆, has experienced multiple periods of higher activity in the last centuries, likely due to several short but very energetic events, and we now investigate the possibility of studying the past activity of other supermassive black holes by applying the same method to M31⋆. We set strong constraints on putative phase transitions of this more distant galactic nucleus but the existence of short events such as the ones observed in the Galactic center cannot be assessed with the upper limits we derived.

    • Send article to Kindle

      To send this article to your Kindle, first ensure no-reply@cambridge.org is added to your Approved Personal Document E-mail List under your Personal Document Settings on the Manage Your Content and Devices page of your Amazon account. Then enter the ‘name’ part of your Kindle email address below. Find out more about sending to your Kindle. Find out more about sending to your Kindle.

      Note you can select to send to either the @free.kindle.com or @kindle.com variations. ‘@free.kindle.com’ emails are free but can only be sent to your device when it is connected to wi-fi. ‘@kindle.com’ emails can be delivered even when you are not connected to wi-fi, but note that service fees apply.

      Find out more about the Kindle Personal Document Service.

      Can we infer the past activity of M31⋆ as we do for Sgr A⋆?
      Available formats
      ×
      Send article to Dropbox

      To send this article to your Dropbox account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your <service> account. Find out more about sending content to Dropbox.

      Can we infer the past activity of M31⋆ as we do for Sgr A⋆?
      Available formats
      ×
      Send article to Google Drive

      To send this article to your Google Drive account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your <service> account. Find out more about sending content to Google Drive.

      Can we infer the past activity of M31⋆ as we do for Sgr A⋆?
      Available formats
      ×
Copyright
References
Hide All
Capelli, R., Warwick, R. S., & Porquet, D., et al. 2012, A&A, 545, A35
Chuard, D., Terrier, R., & Goldwurm, A., et al. 2016, this same volume
Clavel, M., Terrier, R., & Goldwurm, A., et al. 2013, A&A, 558, A32
Clavel, M., Soldi, S., & Terrier, R., et al. 2014, MNRAS, 443, L129
Cramphorn, C. K. & Sunyaev, R. A. 2002, A&A, 389, 252
Keel, W. C., Maksym, W. P., & Bennert, V. N., et al. 2015, AJ, 149, 155
Koyama, K., Maeda, Y., & Sonobe, T., et al. 1996, PASJ, 48, 249
Li, Z., Garcia, M. R., & Forman, W. R. 2011, ApJ, 728, L10
Li, Z., Morris, M. R., & Baganoff, F. K. 2013, ApJ, 779, 154
Melchior, A. L. & Combes, F. 2011, A&A, 536, 52
Mori, K., Hailey, C. J., & Krivonos, R., et al. 2015, ApJ, 814, 94
Neilsen, J., Markoff, S., & Nowak, M. A., et al. 2015, ApJ, 799, 199
Nieten, C., Neininger, N., & Guélin, M., et al. 2006, A&A, 453, 459
Ponti, G., Terrier, R., & Goldwurm, A., et al. 2010, ApJ, 714, 732
Ponti, G., Morris, M. R., & Clavel, M., et al. 2014, IAUS, 303, 333
Rees, M. J. 1988, Nature, 333, 523
Ryu, S. G., Nobukawa, M., & Nakashima, S., et al. 2013, PASJ, 65, 33
Sunyaev, R. A., Markevitch, M., & Pavlinsky, M. 1993, ApJ, 407, 606
Terrier, R., Ponti, G., & Bélanger, G., et al. 2010, ApJ, 719, 143
Walls, M., Chernyakova, M., & Terrier, R., et al. 2016, MNRAS, in press (arXiv:1609.00175)
Zhang, S., Hailey, C. J., & Mori, K., et al. 2015, ApJ, 815, 132
Recommend this journal

Email your librarian or administrator to recommend adding this journal to your organisation's collection.

Proceedings of the International Astronomical Union
  • ISSN: 1743-9213
  • EISSN: 1743-9221
  • URL: /core/journals/proceedings-of-the-international-astronomical-union
Please enter your name
Please enter a valid email address
Who would you like to send this to? *
×

Keywords