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Which stars within 3 degrees of the Pleiades centre are cluster members by Ga...

By Björn Hanneke

Which stars within 3 degrees of the Pleiades centre are cluster members by Gaia DR3 parallax and proper motion, and what do their colour-magnitude diagram and parallax distance distribution show about the cluster's distance and main sequence?

Published on e2er.orgDemonstrationVersion 1 · 2026-10-15 · from the command line

Dossier 147b2eeec2427726 data private · code private

Paper, data and code

  • Paper
    Not public.

  • Data
    Not public.

    The data come from ESA Gaia Data Release 3. Its terms allow non-commercial use only, with credit to ESA/Gaia/DPAC (CC BY-NC 3.0 IGO), so the data stay with the source.Get the data from the source (its terms), or load them yourself with e2er-data gaia.

  • Code
    Not public.

Checks

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Reported by the author's own check

  • ✓citations 9 cite key(s) resolve in refs.bib; snapshot: 9 verified, 0 unverifiable at run time
  • ✓integrity 63 files hash-verified against provenance.json; 126 table cell(s) traced in the derivation graph; 2 change(s) after export recorded as amendments (paper/paper.pdf, paper/paper.tex)
  • ✓numbers 126 table cell(s) are source values at the precision shown; text (not gating): 151 of 153 number(s) are source values, 1 differ from the quantity named nearby, 1 untraced
  • ✓results contract descriptive results (descriptive statistics and distributions) are complete and consistent
  • ·results from code not checked: the run predates output records
  • ·spec no design/identification_spec.json
  • ✓tables 3 table(s) reproduce byte-identically from the sidecars

e2er verify on the author's machine, at publish

What was published

Files
28 named with their SHA-256 fingerprint; the files stay with the authors
References
9 of 9 resolved
AI calls
49
Content id
sha256:51a2271fcc3f04eb14be8beb00a463aa45a936ea5d01eb97bd1b46e2cd8f8a4d
e2er
version 0.17.0 · template descriptive-study
AI
Claude Haiku via Claude Code

Data used

Each source the run loaded, as the connector recorded it: what was read and when, the source's terms and the citation it asks for.

Gaia Data Release 3 (ESA/Gaia/DPAC), Gaia ESA Archive · 1 load · release DR3 · read 2026-10-13
Gaia archive ADQL query: SELECT source_id, ra, dec, DISTANCE(POINT('ICRS', ra, dec), POINT('ICRS', 56.75, 24.12)) AS dist_deg, parallax, parallax_error, parallax_over_error, pmra, pmra_error, pmdec, pmdec_error, ruwe, astrometric_params_solved, visibility_periods_used, phot_g_mean_mag, phot_g_mean_flux_over_error, phot_bp_mean_mag, phot_rp_mean_mag, bp_rp FROM gaiadr3.gaia_source WHERE 1 = CONTAINS(POINT('ICRS', ra, dec), CIRCLE('ICRS', 56.75, 24.12, 3)) AND parallax > 2 AND parallax_over_error > 5 · release DR3, read 2026-10-13 · table gaia_dr3 https://gea.esac.esa.int/tap-server/tap/sync?REQUEST=doQuery&LANG=ADQL&FORMAT=csv&QUERY=SELECT+source_id%2C+ra%2C+dec%2C+DISTANCE%28POINT%28%27ICRS%27%2C+ra%2C+dec%29%2C+POINT%28%27ICRS%27%2C+56.75%2C+24.12%29%29+AS+dist_deg%2C+parallax%2C+parallax_error%2C+parallax_over_error%2C+pmra%2C+pmra_error%2C+pmdec%2C+pmdec_error%2C+ruwe%2C+astrometric_params_solved%2C+visibility_periods_used%2C+phot_g_mean_mag%2C+phot_g_mean_flux_over_error%2C+phot_bp_mean_mag%2C+phot_rp_mean_mag%2C+bp_rp+FROM+gaiadr3.gaia_source+WHERE+1+%3D+CONTAINS%28POINT%28%27ICRS%27%2C+ra%2C+dec%29%2C+CIRCLE%28%27ICRS%27%2C+56.75%2C+24.12%2C+3%29%29+AND+parallax+%3E+2+AND+parallax_over_error+%3E+5&MAXREC=50000 1f4ad5ccdb7e

Terms Gaia data are distributed under CC BY-NC 3.0 IGO: free to use with credit to ESA/Gaia/DPAC; commercial use needs ESA's authorisation. Cite the Gaia mission and DR3 papers. Full terms

Cite Gaia Collaboration, Vallenari, A., Brown, A. G. A., Prusti, T., et al. (2023). Gaia Data Release 3: Summary of the content and survey properties. Astronomy & Astrophysics, 674, A1. https://doi.org/10.1051/0004-6361/202243940; and Gaia Collaboration, Prusti, T., de Bruijne, J. H. J., Brown, A. G. A., et al. (2016). The Gaia mission. Astronomy & Astrophysics, 595, A1. https://doi.org/10.1051/0004-6361/201629272. Acknowledgement: This work has made use of data from the European Space Agency (ESA) mission Gaia (https://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, https://www.cosmos.esa.int/web/gaia/dpac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement.

References: 0 from the authors' papers, 5 found on the web, 4 method sources from the template · listed in the dossier

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Authors

  • ·Björn Hanneke conceptualization, investigation

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