Anto Lonappan



21.04.2025 03:21 — 👍 0    🔁 0    💬 0    📌 0

New preprint 🔭 “Hunting B‑modes from anisotropic cosmic birefringence”. We measure the amplitude parameter as 0.42 × 10⁻⁴ (1 σ) and set a 95 % CL upper limit of 1 × 10⁻⁴. Dive in 👉 arxiv.org/abs/2504.13154 #CMB #cosmology ​​

18.04.2025 02:35 — 👍 6    🔁 3    💬 0    📌 0

The Simons Observatory LAT with its aperture open, looking at the sky at night. Red safety lights illuminate the bottom of the telescope structure, while a few stars shine in the background.

This week, we are trying to assess performance of our Large Aperture Telescope by looking at the planet Mars. For our telescope, it appears as a point, so we can understand our optical response and pointing by observing it.
Image credit: Mark Devlin. ☄️🔭

10.04.2025 18:37 — 👍 10    🔁 3    💬 0    📌 0

The @simonsobservatory.org Large Aperture Telescope beneath the Milky Way by @felipecarrero.bsky.social

30.03.2025 19:01 — 👍 3    🔁 1    💬 0    📌 0