Pith Number

pith:IOGO5ADW

pith:2019:IOGO5ADWIK466J5EJ6GLSUKYSO

not attested not anchored not stored refs resolved

A 3D Dust Map Based on Gaia, Pan-STARRS 1 and 2MASS

Catherine Zucker, Douglas P. Finkbeiner, Edward F. Schlafly, Gregory M. Green, Joshua S. Speagle

New 3D dust map uses Gaia parallaxes and a spatial prior for smoother clouds with smaller uncertainties.

arxiv:1905.02734 v1 · 2019-05-07 · astro-ph.GA

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Record completeness

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2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Claims

C1strongest claim

This new map contains three major improvements over our previous work: inclusion of Gaia parallaxes for better distances, a spatial prior correlating dust density across nearby sightlines, and four times finer distance resolution.

C2weakest assumption

The spatial prior that correlates dust density across nearby sightlines will produce a smoother map with more isotropic clouds and smaller distance uncertainties, particularly within the nearest kiloparsec.

C3one line summary

A new 3D dust reddening map with finer distance resolution, a spatial correlation prior, and Gaia-based distances covering the sky north of -30 degrees declination out to several kiloparsecs.

References

79 extracted · 79 resolved · 5 Pith anchors

[1] S., Aguilar , G., et al 2018

[2] 2018, , 616, A8 2018

[3] 2018, , 616, A17 2018

[4] P., Tollerud , E 2013

[5] 2012, , 757, 166 2012

Formal links

2 machine-checked theorem links

Cited by

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Summary of Discussion Sessions from "The Dusty Universe 2025: The Fifth Pandust Conference"

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Receipt and verification

First computed	2026-05-17T23:38:50.307619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

438cee807642b9ef27a44f8cb951589398649e3ec758bc5f8cfe67d3b5f05716

Aliases

arxiv: 1905.02734 · arxiv_version: 1905.02734v1 · doi: 10.48550/arxiv.1905.02734 · pith_short_12: IOGO5ADWIK46 · pith_short_16: IOGO5ADWIK466J5E · pith_short_8: IOGO5ADW

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/IOGO5ADWIK466J5EJ6GLSUKYSO \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 438cee807642b9ef27a44f8cb951589398649e3ec758bc5f8cfe67d3b5f05716

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "445bb34dd62175675c6f6e2f55cc20e4d00f2f4408d6e0f0d1e37006f61897ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-05-07T18:00:06Z",
    "title_canon_sha256": "a6a03197921e507125b4be9b9efe3b5eee54f3bd2dbafd5445205e41a0c2dd33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02734",
    "kind": "arxiv",
    "version": 1
  }
}