Christoph Saulder
@equinoxomega.bsky.social
Professional astronomer, world traveller, and amateur photographer, who is currently based in Germany, but also lived in Austria, Chile, and Korea.
My Cosmology from Home 2025 talk, which summaries one of my papers published earlier this year:
www.youtube.com/watch?v=bzMz...
#cosmologyfromhome #cosmology #talk #conference #desi #bao #science #shamelessselfpromotion #astronomy
www.youtube.com/watch?v=bzMz...
#cosmologyfromhome #cosmology #talk #conference #desi #bao #science #shamelessselfpromotion #astronomy
Photometric BAO measurements using the DESI Legacy imaging survey in light of eBOSS/DESI DR1 tension
YouTube video by EquinoxOmega
www.youtube.com
June 30, 2025 at 11:14 AM
My Cosmology from Home 2025 talk, which summaries one of my papers published earlier this year:
www.youtube.com/watch?v=bzMz...
#cosmologyfromhome #cosmology #talk #conference #desi #bao #science #shamelessselfpromotion #astronomy
www.youtube.com/watch?v=bzMz...
#cosmologyfromhome #cosmology #talk #conference #desi #bao #science #shamelessselfpromotion #astronomy
DESI Y1 data and DESI Y3 BAO results are public:
www.desi.lbl.gov/2025/03/19/d...
#DESI #darkenergy #cosmology #astronomy
www.desi.lbl.gov/2025/03/19/d...
#DESI #darkenergy #cosmology #astronomy
DESI DR2 Results: March 19 Guide
On March 19, DESI released a set of papers providing the measurements and interpretation of Baryon Acoustic Oscillations (BAO) based on Data Release 2 (DR2) – the first three years of survey data. Thi...
www.desi.lbl.gov
March 20, 2025 at 12:09 AM
DESI Y1 data and DESI Y3 BAO results are public:
www.desi.lbl.gov/2025/03/19/d...
#DESI #darkenergy #cosmology #astronomy
www.desi.lbl.gov/2025/03/19/d...
#DESI #darkenergy #cosmology #astronomy
The official Euclid Germany press release (with a small contribution by myself): www.mpia.de/news/2025-eu...
Euclid opens data treasure trove, offers glimpse of deep fields
Germany’s members of the Euclid Consortium have played a significant role in producing the mission’s first large set of survey data which the European Space Agency has just released.
www.mpia.de
March 19, 2025 at 11:25 AM
The official Euclid Germany press release (with a small contribution by myself): www.mpia.de/news/2025-eu...
Euclid Q1 data is public now and accompanied by 35 papers (mostly galaxy evolution and technical), I am on 3 of them.
www.euclid-ec.org/public/press...
www.euclid-ec.org/public/press...
Press Release: Euclid Quick Data Release 1 – Euclid Consortium
www.euclid-ec.org
March 19, 2025 at 11:17 AM
Euclid Q1 data is public now and accompanied by 35 papers (mostly galaxy evolution and technical), I am on 3 of them.
www.euclid-ec.org/public/press...
www.euclid-ec.org/public/press...
Euclid Q1 release with the contributions of the MPE (including myself)
The first data from @esa.int @ec-euclid.bsky.social #Euclid mission is here - with stunning insights! It's a major step forward to understand #DarkMatter and #DarkEnergy — and yet only the beginning of an adventure - where #MPE is right in the middle of it!
Read more: www.mpe.mpg.de/8059041/news...
Read more: www.mpe.mpg.de/8059041/news...
Euclid opens a treasure trove of data: MPE plays a crucial role in exploring the dark universe
The first Euclid data (Q1) released by ESA provide impressive insights into the depths of the Universe. High-resolution images of 26 million galaxies reveal the finest structures and allow scientists ...
www.mpe.mpg.de
March 19, 2025 at 11:16 AM
Euclid Q1 release with the contributions of the MPE (including myself)
Reposted by Christoph Saulder
It's #Euclid data release day!
@esa.int and the Euclid Consortium are making 63 deg² of Wide Survey data available to the world. Imaging and spectroscopy data, catalogues and masks for 20+ million galaxies, quasars, stars and substellar objects.
#astronomy #science #space
1/4
@esa.int and the Euclid Consortium are making 63 deg² of Wide Survey data available to the world. Imaging and spectroscopy data, catalogues and masks for 20+ million galaxies, quasars, stars and substellar objects.
#astronomy #science #space
1/4
March 19, 2025 at 11:02 AM
It's #Euclid data release day!
@esa.int and the Euclid Consortium are making 63 deg² of Wide Survey data available to the world. Imaging and spectroscopy data, catalogues and masks for 20+ million galaxies, quasars, stars and substellar objects.
#astronomy #science #space
1/4
@esa.int and the Euclid Consortium are making 63 deg² of Wide Survey data available to the world. Imaging and spectroscopy data, catalogues and masks for 20+ million galaxies, quasars, stars and substellar objects.
#astronomy #science #space
1/4
Finally I can talk about this in public:
Scientists with #ESAEuclid have discovered an Einstein Ring gravitational lens in a nearby NGC galaxies - something very rare, unexpected, and beautiful. NGC 6505 bends space, turning the image of a background galaxy into a ring.
Read more: www.euclid-ec.org/einstein-rin...
🔭 #space #science
Read more: www.euclid-ec.org/einstein-rin...
🔭 #space #science
Euclid finds complete Einstein Ring in NGC galaxy
A space mission to map the Dark Universe
www.euclid-ec.org
February 10, 2025 at 12:26 PM
Finally I can talk about this in public:
Our new paper is on arXiv now:
arxiv.org/abs/2501.10759
#astronomy #cosmology #bao #desi #baryonacousticoscillations
arxiv.org/abs/2501.10759
#astronomy #cosmology #bao #desi #baryonacousticoscillations
Studying the Baryon Acoustic Oscillations using photometric redshifts from the DESI Legacy Imaging survey DR9
Context. The DESI Legacy Imaging Survey DR9, with its extensive dataset of galaxy locations and photometric redshifts, presents an opportunity to study Baryon Acoustic Oscillations (BAO) in the region...
arxiv.org
January 22, 2025 at 9:14 AM
Our new paper is on arXiv now:
arxiv.org/abs/2501.10759
#astronomy #cosmology #bao #desi #baryonacousticoscillations
arxiv.org/abs/2501.10759
#astronomy #cosmology #bao #desi #baryonacousticoscillations