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Euclid: The Early Release Observations Lens Search Experiment

J. Barroso C. O'Riordan B. Cl'ement C. Tortora T. Collett +495 lainnya
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We investigated the ability of the Euclid telescope to detect galaxy-scale gravitational lenses. To do so, we performed a systematic visual inspection of the 0.7,deg^2 Euclid Early Release Observations data towards the Perseus cluster using both the high-resolution band and the lower-resolution and bands. Each extended source brighter than magnitude 23 in was inspected by 41 expert human classifiers. This amounts to 12,086 stamps of times . We found 3 grade A and 13 grade B candidates. We assessed the validity of these 16 candidates by modelling them and checking that they are consistent with a single source lensed by a plausible mass distribution. Five of the candidates pass this check, five others are rejected by the modelling, and six are inconclusive. deg $ galaxy-galaxy lenses that are both discoverable through visual inspection and have valid lens models. This is consistent with theoretical forecasts of discoverable galaxy-galaxy lenses in Euclid. Our five modelled lenses have Einstein radii in the range ang E but their Einstein radius distribution is on the higher side when compared to theoretical forecasts. This suggests that our methodology is likely missing small-Einstein-radius systems. Whilst it is implausible to visually inspect the full Euclid dataset, our results corroborate the promise that Euclid will ultimately deliver a sample of around $10^5$ galaxy-scale lenses.

Topik & Kata Kunci

Physics

Penulis (500)

J

J. Barroso

C

C. O'Riordan

B

B. Cl'ement

C

C. Tortora

T

T. Collett

F

F. Courbin

R

R. Gavazzi

R

R. B. Metcalf

V

V. Busillo

I

I. Andika

R

R. Cabanac

H

H. Courtois

J

J. Crook-Mansour

L

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G

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L

L. Ecker

A

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P

P. Holloway

N

N. Jackson

K

K. Jahnke

G

G. Mahler

L

L. Marchetti

P

P. Matavulj

A

A. Melo

M

M. Meneghetti

L

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O

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A

A. Nucita

A

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J

J. Pearson

K

K. Rojas

C

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S

S. Schuldt

S

S. Serjeant

D

D. Sluse

S

S. Suyu

M

Mattia Vaccari

A

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Format Sitasi

APA MLA BibTeX
Barroso, J., O'Riordan, C., Cl'ement, B., Tortora, C., Collett, T., Courbin, F. et al. (2024). Euclid: The Early Release Observations Lens Search Experiment. https://doi.org/10.1051/0004-6361/202451868

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Informasi Jurnal
Tahun Terbit
2024
Bahasa
en
Total Sitasi
6×
Sumber Database
Semantic Scholar
DOI
10.1051/0004-6361/202451868
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Open Access ✓