A Decade of Multiwavelength Observations of the TeV Blazar 1ES 1215+303: Extreme Shift of the Synchrotron Peak Frequency and Long-term Optical-Gamma-Ray Flux Increase

Valverde, Janeth and Horan, Deirdre and Bernard, Denis and Fegan, Stephen and Fermi-LAT Collaboration and Abeysekara, A. U. and Archer, A. and Benbow, W. and Bird, R. and Brill, A. and Brose, R. and Buchovecky, M. and Buckley, J. H. and Christiansen, J. L. and Cui, W. and Falcone, A. and Feng, Q. and Finley, J. P. and Fortson, L. and Furniss, A. and Gent, A. and Gillanders, G. H. and Giuri, C. and Gueta, O. and Hanna, D. and Hassan, T. and Hervet, O. and Holder, J. and Hughes, G. and Humensky, T. B. and Kaaret, P. and Kelley-Hoskins, N. and Kertzman, M. and Kieda, D. and Krause, M. and Krennrich, F. and Lang, M. J. and Maier, G. and Moriarty, P. and Mukherjee, R. and Nieto, D. and Nievas-Rosillo, M. and O’Brien, S. and Ong, R. A. and Otte, A. N. and Park, N. and Petrashyk, A. and Pfrang, K. and Pichel, A. and Pohl, M. and Prado, R. R. and Pueschel, E. and Quinn, J. and Ragan, K. and Reynolds, P. T. and Ribeiro, D. and Richards, G. T. and Roache, E. and Sadeh, I. and Santander, M. and Scott, S. S. and Sembroski, G. H. and Shahinyan, K. and Shang, R. and Sushch, I. and Vassiliev, V. V. and Weinstein, A. and Wells, R. M. and Wilcox, P. and Wilhelm, A. and Williams, D. A. and Williamson, T. J. and VERITAS Collaboration and Noto, Giuliana and Edwards, P. G. and Piner, B. G. and Fallah Ramazani, V. and Hovatta, T. and Jormanainen, J. and Lindfors, E. and Nilsson, K. and Takalo, L. and Kovalev, Y. Y. and Lister, M. L. and Pushkarev, A. B. and Savolainen, T. and Kiehlmann, S. and Max-Moerbeck, W. and Readhead, A. C. S. and Lähteenmäki, A. and Tornikoski, M.

ApJ