Nicolas Martin
@nfmartin1980.bsky.social
470 followers
170 following
29 posts
Astronomer, CNRS/INSU researcher at Strasbourg Observatory. Local Group inhabitant.
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Reposted by Nicolas Martin
Michele Bannister
@astrokiwi.bsky.social
· Jul 21
NSF-DOE Vera C. Rubin Observatory Observations of Interstellar Comet 3I/ATLAS (C/2025 N1)
We report on the observation and measurement of astrometry, photometry, morphology, and activity of the interstellar object 3I/ATLAS, also designated C/2025 N1 (ATLAS), with the NSF-DOE Vera C. Rubin ...
arxiv.org
Reposted by Nicolas Martin
Reposted by Nicolas Martin
Reposted by Nicolas Martin
Nicolas Martin
@nfmartin1980.bsky.social
· Feb 12
Our review chapter on the satellite galaxies of the Milky Way and Andromeda is out! Apologies for missing some of your fave topics, but they are not (supposed to be) long articles. Led by Amandine Doliva-Dolinsky, myself and @nfmartin1980.bsky.social 🔭 arxiv.org/abs/2502.06948
The satellite galaxies of the Milky Way and Andromeda
The satellite galaxies of the Local Group provide us with an important probe of galaxy formation, evolution, and cosmology. The two large spirals that dominate this group -- the Milky Way and Andromed...
arxiv.org
Reposted by Nicolas Martin
Nicolas Martin
@nfmartin1980.bsky.social
· Sep 13
Archéologie galactique : les antiquités de l'espace
Pourquoi sonder les premières étoiles et galaxies de l’univers ? Que reste-t-il à comprendre sur leur formation et leur évolution et les mécanismes guidant leur diverses structures ? Comment les astro...
www.radiofrance.fr
Nicolas Martin
@nfmartin1980.bsky.social
· Sep 13
Nicolas Martin
@nfmartin1980.bsky.social
· May 30
Archéologie galactique : aux origines de notre Voie lactée
A quoi ressemblait notre galaxie archaïque ? Comment s’est formée la Voie lactée et quelles sont les péripéties qu’elle a traversées ? Quelles ont été les collisions avec d’autres galaxies et quelles ...
www.radiofrance.fr
Reposted by Nicolas Martin
Nicolas Martin
@nfmartin1980.bsky.social
· Oct 26
Nicolas Martin
@nfmartin1980.bsky.social
· Oct 26
Nicolas Martin
@nfmartin1980.bsky.social
· Aug 29
Reposted by Nicolas Martin
The 23rd paper of the main series of papers from the Pristine survey is out! It's been a lot of work by a lot of people since Gaia's Data Release 3 came out. It's also the first Data Release from the survey and we publish catalogues for ~30+ million stellar metallicities.