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Title: DES13S2cmm: The first superluminous supernova from the Dark Energy Survey

Abstract

We present DES13S2cmm, the first spectroscopically-confirmed superluminous supernova (SLSN) from the Dark Energy Survey (DES). We briefly discuss the data and search algorithm used to find this event in the first year of DES operations, and outline the spectroscopic data obtained from the European Southern Observatory (ESO) Very Large Telescope to confirm its redshift (z = 0.663 ± 0.001 based on the host-galaxy emission lines) and likely spectral type (type I). Using this redshift, we find M peak U = –21.05 +0.10 –0.09 for the peak, rest-frame U-band absolute magnitude, and find DES13S2cmm to be located in a faint, low-metallicity (sub-solar), low stellar-mass host galaxy (log(M/M⊙) = 9.3 ± 0.3), consistent with what is seen for other SLSNe-I. We compare the bolometric light curve of DES13S2cmm to fourteen similarly well-observed SLSNe-I in the literature and find it possesses one of the slowest declining tails (beyond +30 days rest frame past peak), and is the faintest at peak. Moreover, we find the bolometric light curves of all SLSNe-I studied herein possess a dispersion of only 0.2–0.3 magnitudes between +25 and +30 days after peak (rest frame) depending on redshift range studied; this could be important for ‘standardising’ such supernovae, as ismore » done with the more common type Ia. We fit the bolometric light curve of DES13S2cmm with two competing models for SLSNe-I – the radioactive decay of ⁵⁶Ni, and a magnetar – and find that while the magnetar is formally a better fit, neither model provides a compelling match to the data. Although we are unable to conclusively differentiate between these two physical models for this particular SLSN-I, further DES observations of more SLSNe-I should break this degeneracy, especially if the light curves of SLSNe-I can be observed beyond 100 days in the rest frame of the supernova.« less

Authors:
 [1];  [2];  [1];  [3];  [1];  [4];  [5];  [6];  [7];  [8];  [9];  [10];  [11];  [5];  [12];  [5];  [5];  [13];  [9];  [11] more »;  [9];  [14];  [5];  [8];  [14];  [15];  [16];  [15];  [5];  [17];  [18];  [18];  [6];  [19];  [8];  [20];  [21];  [8];  [22];  [21];  [23];  [24];  [14];  [13];  [8];  [15];  [18];  [25];  [6];  [8];  [21];  [26];  [18];  [27];  [28];  [29];  [30];  [31];  [8];  [21];  [29];  [8];  [24];  [32];  [21];  [10];  [8];  [33];  [34] « less
  1. Univ. of Portsmouth, Portsmouth (United Kingdom)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States)
  3. Univ. of Southampton, Southampton (United Kingdom)
  4. Univ. of California, Berkeley, CA (United States)
  5. Argonne National Lab. (ANL), Argonne, IL (United States)
  6. Texas A & M Univ., College Station, TX (United States)
  7. National Center for Supercomputing Applications, Urbana, IL (United States); Univ. of Illinois Urban-Champaign, Urbana, IL (United States)
  8. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
  9. Univ. of Pennsylvania, Philadelphia, PA (United States)
  10. Univ. of Illinois Urban-Champaign, Urbana, IL (United States);
  11. Univ. of California, Berkeley, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  12. Univ. of Chicago, Chicago, IL (United States)
  13. Australian Astronomical Observatory (Australia)
  14. National Optical Astronomy Observatory, La Serena (Chile)
  15. Univ. College London, London (United Kingdom)
  16. National Center for Supercomputing Applications, Urbana, IL (United States); Space Telescope Science Institute, Baltimore, MD (United States)
  17. Carnegie Observatories, Pasadena, CA (United States)
  18. Observatorio Nacional, Rio de Janeiro (Brazil); Lab. Interinstitucional de e-Astronomia, Rio de Janeiro (Brazil)
  19. Ludwig Maximilian Univ., Munich (Germany); Excellence Cluster Universe, Garching (Germany)
  20. California Institute of Technology, Pasadena, CA (United States)
  21. Univ. of Michigan, Ann Arbor, MI (United States)
  22. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  23. Univ. Observatory Munich, Munich (Germany); Max Planck Institute for Extraterrestrial Physics, Garching (Germany)
  24. The Ohio State Univ., Columbus, OH (United States)
  25. ICRA, Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro (Brazil)
  26. Univ. Autonoma de Barcelona, Barcelona (Spain); Institucio Catalana de Recerca i Estudis Avancats, Barcelona (Spain)
  27. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  28. Univ. of Sussex, Brighton (United Kingdom)
  29. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  30. Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas(CIEMAT), Madrid (Spain)
  31. Instituto de Fisica, Porto Alegre (Brazil); Lab. Interinstitucional de e-Astronomia, Rio de Janeiro (Brazil)
  32. National Center for Supercomputing Applications, Urbana, IL (United States)
  33. Stanford Univ., Stanford, CA (United States)
  34. Univ. of Manchester, Manchester (United Kingdom)
Publication Date:
Research Org.:
Brookhaven National Laboratory (BNL), Upton, NY (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Contributing Org.:
DES Collaboration
OSTI Identifier:
1201362
Alternate Identifier(s):
OSTI ID: 1221239; OSTI ID: 1336373
Report Number(s):
BNL-108182-2015-JA; FERMILAB-PUB-15-020-AE-PPD; SLAC-PUB-16765
Journal ID: ISSN 0035-8711; KA2301020
Grant/Contract Number:
SC00112704; AC02-07CH11359; AC02-76SF00515
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Monthly Notices of the Royal Astronomical Society
Additional Journal Information:
Journal Volume: 449; Journal Issue: 2; Conference: Naples (Italy), 3-5 Jun 2014; Journal ID: ISSN 0035-8711
Publisher:
Royal Astronomical Society
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; surveys - stars: supernova: general - stars: supernovae: DES13S2cmm; surveys; stars: supernovae: general; stars:supernovae: DES13S2cmm; stars: supernovae: DES13S2cmm

Citation Formats

Papadopoulos, A., Plazas, A. A., D"Andrea, C. B., Sullivan, M., Nichol, R. C., Barbary, K., Biswas, R., Brown, P. J., Covarrubias, R. A., Finley, D. A., Fischer, J. A., Foley, R. J., Goldstein, D., Gupta, R. R., Kessler, R., Kovacs, E., Kuhlmann, S. E., Lidman, C., March, M., Nugent, P. E., Sako, M., Smith, R. C., Spinka, H., Wester, W., Abbott, T. M. C., Abdalla, F., Allam, S. S., Banerji, M., Bernstein, J. P., Bernstein, R. A., Carnero, A., da Costa, L. N., DePoy, D. L., Desai, S., Diehl, H. T., Eifler, T., Evrard, A. E., Flaugher, B., Frieman, J. A., Gerdes, D., Gruen, D., Honscheid, K., James, D., Kuehn, K., Kuropatkin, N., Lahav, O., Maia, M. A. G., Makler, M., Marshall, J. L., Merritt, K. W., Miller, C. J., Miquel, R., Ogando, R., Roe, N. A., Romer, A. K., Rykoff, E., Sanchez, E., Santiago, B. X., Scarpine, V., Schubnell, M., Sevilla, I., Soares-Santos, M., Suchyta, E., Swanson, M., Tarle, G., Thaler, J., Tucker, L. D., Wechsler, R. H., and Zuntz, J. DES13S2cmm: The first superluminous supernova from the Dark Energy Survey. United States: N. p., 2015. Web. doi:10.1093/mnras/stv174.
Papadopoulos, A., Plazas, A. A., D"Andrea, C. B., Sullivan, M., Nichol, R. C., Barbary, K., Biswas, R., Brown, P. J., Covarrubias, R. A., Finley, D. A., Fischer, J. A., Foley, R. J., Goldstein, D., Gupta, R. R., Kessler, R., Kovacs, E., Kuhlmann, S. E., Lidman, C., March, M., Nugent, P. E., Sako, M., Smith, R. C., Spinka, H., Wester, W., Abbott, T. M. C., Abdalla, F., Allam, S. S., Banerji, M., Bernstein, J. P., Bernstein, R. A., Carnero, A., da Costa, L. N., DePoy, D. L., Desai, S., Diehl, H. T., Eifler, T., Evrard, A. E., Flaugher, B., Frieman, J. A., Gerdes, D., Gruen, D., Honscheid, K., James, D., Kuehn, K., Kuropatkin, N., Lahav, O., Maia, M. A. G., Makler, M., Marshall, J. L., Merritt, K. W., Miller, C. J., Miquel, R., Ogando, R., Roe, N. A., Romer, A. K., Rykoff, E., Sanchez, E., Santiago, B. X., Scarpine, V., Schubnell, M., Sevilla, I., Soares-Santos, M., Suchyta, E., Swanson, M., Tarle, G., Thaler, J., Tucker, L. D., Wechsler, R. H., & Zuntz, J. DES13S2cmm: The first superluminous supernova from the Dark Energy Survey. United States. doi:10.1093/mnras/stv174.
Papadopoulos, A., Plazas, A. A., D"Andrea, C. B., Sullivan, M., Nichol, R. C., Barbary, K., Biswas, R., Brown, P. J., Covarrubias, R. A., Finley, D. A., Fischer, J. A., Foley, R. J., Goldstein, D., Gupta, R. R., Kessler, R., Kovacs, E., Kuhlmann, S. E., Lidman, C., March, M., Nugent, P. E., Sako, M., Smith, R. C., Spinka, H., Wester, W., Abbott, T. M. C., Abdalla, F., Allam, S. S., Banerji, M., Bernstein, J. P., Bernstein, R. A., Carnero, A., da Costa, L. N., DePoy, D. L., Desai, S., Diehl, H. T., Eifler, T., Evrard, A. E., Flaugher, B., Frieman, J. A., Gerdes, D., Gruen, D., Honscheid, K., James, D., Kuehn, K., Kuropatkin, N., Lahav, O., Maia, M. A. G., Makler, M., Marshall, J. L., Merritt, K. W., Miller, C. J., Miquel, R., Ogando, R., Roe, N. A., Romer, A. K., Rykoff, E., Sanchez, E., Santiago, B. X., Scarpine, V., Schubnell, M., Sevilla, I., Soares-Santos, M., Suchyta, E., Swanson, M., Tarle, G., Thaler, J., Tucker, L. D., Wechsler, R. H., and Zuntz, J. Mon . "DES13S2cmm: The first superluminous supernova from the Dark Energy Survey". United States. doi:10.1093/mnras/stv174. https://www.osti.gov/servlets/purl/1201362.
@article{osti_1201362,
title = {DES13S2cmm: The first superluminous supernova from the Dark Energy Survey},
author = {Papadopoulos, A. and Plazas, A. A. and D"Andrea, C. B. and Sullivan, M. and Nichol, R. C. and Barbary, K. and Biswas, R. and Brown, P. J. and Covarrubias, R. A. and Finley, D. A. and Fischer, J. A. and Foley, R. J. and Goldstein, D. and Gupta, R. R. and Kessler, R. and Kovacs, E. and Kuhlmann, S. E. and Lidman, C. and March, M. and Nugent, P. E. and Sako, M. and Smith, R. C. and Spinka, H. and Wester, W. and Abbott, T. M. C. and Abdalla, F. and Allam, S. S. and Banerji, M. and Bernstein, J. P. and Bernstein, R. A. and Carnero, A. and da Costa, L. N. and DePoy, D. L. and Desai, S. and Diehl, H. T. and Eifler, T. and Evrard, A. E. and Flaugher, B. and Frieman, J. A. and Gerdes, D. and Gruen, D. and Honscheid, K. and James, D. and Kuehn, K. and Kuropatkin, N. and Lahav, O. and Maia, M. A. G. and Makler, M. and Marshall, J. L. and Merritt, K. W. and Miller, C. J. and Miquel, R. and Ogando, R. and Roe, N. A. and Romer, A. K. and Rykoff, E. and Sanchez, E. and Santiago, B. X. and Scarpine, V. and Schubnell, M. and Sevilla, I. and Soares-Santos, M. and Suchyta, E. and Swanson, M. and Tarle, G. and Thaler, J. and Tucker, L. D. and Wechsler, R. H. and Zuntz, J.},
abstractNote = {We present DES13S2cmm, the first spectroscopically-confirmed superluminous supernova (SLSN) from the Dark Energy Survey (DES). We briefly discuss the data and search algorithm used to find this event in the first year of DES operations, and outline the spectroscopic data obtained from the European Southern Observatory (ESO) Very Large Telescope to confirm its redshift (z = 0.663 ± 0.001 based on the host-galaxy emission lines) and likely spectral type (type I). Using this redshift, we find MpeakU = –21.05+0.10–0.09 for the peak, rest-frame U-band absolute magnitude, and find DES13S2cmm to be located in a faint, low-metallicity (sub-solar), low stellar-mass host galaxy (log(M/M⊙) = 9.3 ± 0.3), consistent with what is seen for other SLSNe-I. We compare the bolometric light curve of DES13S2cmm to fourteen similarly well-observed SLSNe-I in the literature and find it possesses one of the slowest declining tails (beyond +30 days rest frame past peak), and is the faintest at peak. Moreover, we find the bolometric light curves of all SLSNe-I studied herein possess a dispersion of only 0.2–0.3 magnitudes between +25 and +30 days after peak (rest frame) depending on redshift range studied; this could be important for ‘standardising’ such supernovae, as is done with the more common type Ia. We fit the bolometric light curve of DES13S2cmm with two competing models for SLSNe-I – the radioactive decay of ⁵⁶Ni, and a magnetar – and find that while the magnetar is formally a better fit, neither model provides a compelling match to the data. Although we are unable to conclusively differentiate between these two physical models for this particular SLSN-I, further DES observations of more SLSNe-I should break this degeneracy, especially if the light curves of SLSNe-I can be observed beyond 100 days in the rest frame of the supernova.},
doi = {10.1093/mnras/stv174},
journal = {Monthly Notices of the Royal Astronomical Society},
number = 2,
volume = 449,
place = {United States},
year = {Mon Mar 23 00:00:00 EDT 2015},
month = {Mon Mar 23 00:00:00 EDT 2015}
}

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