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Euclid: Superluminous supernovae in the deep survey?

Euclid: Superluminous supernovae in the deep survey?
Euclid: Superluminous supernovae in the deep survey?

Context. In the last decade, astronomers have found a new type of supernova called superluminous supernovae (SLSNe) due to their high peak luminosity and long light-curves. These hydrogen-free explosions (SLSNe-I) can be seen to z - 4 and therefore, offer the possibility of probing the distant Universe. Aims.We aim to investigate the possibility of detecting SLSNe-I using ESA's Euclid satellite, scheduled for launch in 2020. In particular, we study the Euclid Deep Survey (EDS) which will provide a unique combination of area, depth and cadence over the mission. Methods. We estimated the redshift distribution of Euclid SLSNe-I using the latest information on their rates and spectral energy distribution, as well as known Euclid instrument and survey parameters, including the cadence and depth of the EDS. To estimate the uncertainties, we calculated their distribution with two different set-ups, namely optimistic and pessimistic, adopting different star formation densities and rates. We also applied a standardization method to the peak magnitudes to create a simulated Hubble diagram to explore possible cosmological constraints. Results. We show that Euclid should detect approximately 140 high-quality SLSNe-I to z - 3:5 over the first five years of the mission (with an additional 70 if we lower our photometric classification criteria). This sample could revolutionize the study of SLSNe-I at z > 1 and open up their use as probes of star-formation rates, galaxy populations, the interstellar and intergalactic medium. In addition, a sample of such SLSNe-I could improve constraints on a time-dependent dark energy equation-of-state, namely w(a), when combined with local SLSNe-I and the expected SN Ia sample from the Dark Energy Survey. Conclusions. We show that Euclid will observe hundreds of SLSNe-I for free. These luminous transients will be in the Euclid data-stream and we should prepare now to identify them as they offer a new probe of the high-redshift Universe for both astrophysics and cosmology.

Cosmology: Observations, Supernovae: General, Surveys
0004-6361
1-12
Inserra, C.
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Nichol, R.C.
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Scovacricchi, D.
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Amiaux, J.
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Brescia, M.
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Burigana, C.
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Cappellaro, E.
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Carvalho, C.S.
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Cavuoti, S.
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Conforti, V.
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Cuillandre, J.C.
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Da Silva, A.
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De Rosa, A.
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Della Valle, M.
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Dinis, J.
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Franceschi, E.
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Hook, I.
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Hudelot, P.
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Jahnke, K.
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Kitching, T.
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Kurki-Suonio, H.
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Lloro, I.
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Longo, G.
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Maiorano, E.
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Maris, M.
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Rhodes, J.D.
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Scaramella, R.
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Smartt, S.J.
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Sullivan, M.
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Tao, C.
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Toledo-Moreo, R.
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Tereno, I.
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Trifoglio, M.
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Valenziano, L.
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Inserra, C.
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Nichol, R.C.
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Scovacricchi, D.
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Amiaux, J.
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Brescia, M.
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Burigana, C.
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Cappellaro, E.
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Carvalho, C.S.
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Cavuoti, S.
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Conforti, V.
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Cuillandre, J.C.
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Da Silva, A.
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De Rosa, A.
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Della Valle, M.
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Dinis, J.
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Franceschi, E.
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Hook, I.
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Hudelot, P.
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Jahnke, K.
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Kitching, T.
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Kurki-Suonio, H.
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Lloro, I.
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Longo, G.
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Maiorano, E.
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Maris, M.
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Rhodes, J.D.
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Scaramella, R.
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Smartt, S.J.
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Sullivan, M.
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Toledo-Moreo, R.
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Tereno, I.
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Trifoglio, M.
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Valenziano, L.
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Inserra, C., Nichol, R.C., Scovacricchi, D., Amiaux, J., Brescia, M., Burigana, C., Cappellaro, E., Carvalho, C.S., Cavuoti, S., Conforti, V., Cuillandre, J.C., Da Silva, A., De Rosa, A., Della Valle, M., Dinis, J., Franceschi, E., Hook, I., Hudelot, P., Jahnke, K., Kitching, T., Kurki-Suonio, H., Lloro, I., Longo, G., Maiorano, E., Maris, M., Rhodes, J.D., Scaramella, R., Smartt, S.J., Sullivan, M., Tao, C., Toledo-Moreo, R., Tereno, I., Trifoglio, M. and Valenziano, L. (2018) Euclid: Superluminous supernovae in the deep survey? Astronomy & Astrophysics, 609, 1-12. (doi:10.1051/0004-6361/201731758).

Record type: Article

Abstract

Context. In the last decade, astronomers have found a new type of supernova called superluminous supernovae (SLSNe) due to their high peak luminosity and long light-curves. These hydrogen-free explosions (SLSNe-I) can be seen to z - 4 and therefore, offer the possibility of probing the distant Universe. Aims.We aim to investigate the possibility of detecting SLSNe-I using ESA's Euclid satellite, scheduled for launch in 2020. In particular, we study the Euclid Deep Survey (EDS) which will provide a unique combination of area, depth and cadence over the mission. Methods. We estimated the redshift distribution of Euclid SLSNe-I using the latest information on their rates and spectral energy distribution, as well as known Euclid instrument and survey parameters, including the cadence and depth of the EDS. To estimate the uncertainties, we calculated their distribution with two different set-ups, namely optimistic and pessimistic, adopting different star formation densities and rates. We also applied a standardization method to the peak magnitudes to create a simulated Hubble diagram to explore possible cosmological constraints. Results. We show that Euclid should detect approximately 140 high-quality SLSNe-I to z - 3:5 over the first five years of the mission (with an additional 70 if we lower our photometric classification criteria). This sample could revolutionize the study of SLSNe-I at z > 1 and open up their use as probes of star-formation rates, galaxy populations, the interstellar and intergalactic medium. In addition, a sample of such SLSNe-I could improve constraints on a time-dependent dark energy equation-of-state, namely w(a), when combined with local SLSNe-I and the expected SN Ia sample from the Dark Energy Survey. Conclusions. We show that Euclid will observe hundreds of SLSNe-I for free. These luminous transients will be in the Euclid data-stream and we should prepare now to identify them as they offer a new probe of the high-redshift Universe for both astrophysics and cosmology.

Full text not available from this repository.

More information

Accepted/In Press date: 3 October 2017
e-pub ahead of print date: 18 January 2018
Published date: January 2018
Keywords: Cosmology: Observations, Supernovae: General, Surveys

Identifiers

Local EPrints ID: 419815
URI: https://eprints.soton.ac.uk/id/eprint/419815
ISSN: 0004-6361
PURE UUID: 752c219c-d205-4455-8ee1-26d80ffddfc9
ORCID for C. Inserra: ORCID iD orcid.org/0000-0002-3968-4409
ORCID for M. Sullivan: ORCID iD orcid.org/0000-0001-9053-4820

Catalogue record

Date deposited: 20 Apr 2018 16:30
Last modified: 16 Jul 2019 00:40

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Contributors

Author: C. Inserra ORCID iD
Author: R.C. Nichol
Author: D. Scovacricchi
Author: J. Amiaux
Author: M. Brescia
Author: C. Burigana
Author: E. Cappellaro
Author: C.S. Carvalho
Author: S. Cavuoti
Author: V. Conforti
Author: J.C. Cuillandre
Author: A. Da Silva
Author: A. De Rosa
Author: M. Della Valle
Author: J. Dinis
Author: E. Franceschi
Author: I. Hook
Author: P. Hudelot
Author: K. Jahnke
Author: T. Kitching
Author: H. Kurki-Suonio
Author: I. Lloro
Author: G. Longo
Author: E. Maiorano
Author: M. Maris
Author: J.D. Rhodes
Author: R. Scaramella
Author: S.J. Smartt
Author: M. Sullivan ORCID iD
Author: C. Tao
Author: R. Toledo-Moreo
Author: I. Tereno
Author: M. Trifoglio
Author: L. Valenziano

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