Selection of the optimal pointing pattern for the Self-Calibration field of the Euclid mission

The Euclid mission of the European Space Agency (ESA), scheduled for launch in 2023, is designed to investigate the nature of Dark Matter and Dark Energy. From the privileged position of the L2 Lagrange point, Euclid will cover about 15 000 deg2 out to a redshift 𝑧 ∼ 2, making it the largest redshift survey ever performed. Euclid will use two main probes to constrain the cosmological parameters: weak gravitational lensing and galaxy clustering, which require the measurement of the shapes and of the three-dimensional distribution of galaxies, respectively. The precision required for these scientific goals dramatically depends on a complete calibration of the scientific instruments, both on the ground and in flight. In this work, we describe our procedure to determine the optimal set of pointings for Euclid’s in-flight Self-Calibration procedure.

References(2)

Figures(0)

[1]

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[2]

Euclid preparation. I. The Euclid Wide Survey

Euclid

Collaboration

•

R. Scaramella
(
- Rome U. and
- INFN, Rome and
- Rome Observ.
)

et al.

- Astron.Astrophys. 662 (2022) A112,
- Astron.Astrophys. 662 (2022) A112
•
e-Print:
- 2108.01201
•
DOI:
- 10.1051/0004-6361/202141938