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Researcher Evidence Record

L. Clifton Johnson

This bounded record lists 37 Pith paper rows and 0 imported work rows attributed to this corpus identity. The enumerated, non-disputed paper rows include astro-ph.GA, astro-ph.CO, astro-ph.SR work dated 2008 to 2026. The record describes sources and coverage; it makes no judgment about the person.

Compiled coverage vector

Measured lane counts only. Not a trust score or person verdict.

Enumerated paper scope: 5 fields (astro-ph.GA, astro-ph.CO, astro-ph.SR, +2 more) · 2008-2026 sources: authors, author_identifiers · paper_authors · author_works · current_verdicts · cited_works

A sourced case file for attributed work. It is neither a profile score nor a verdict about this researcher.

Attributed works

A bounded ledger from the Pith paper and imported-work queries. Counts and source confidence stay with each work.

  1. 2026 Pith paper

    The Panchromatic Hubble Andromeda Southern Treasury (PHAST). II. The Spatially Resolved Recent Star Formation History in M31

    astro-ph.GA provisional current review present

    Sources and evidence
    Authorship source
    paper_authors
    Printed name
    L. Clifton Johnson
    Author position
    14
    Identity state
    provisional
    Review coverage
    Measured: a current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  2. 2023 Pith paper

    JWST Reveals Star Formation Across a Spiral Arm in M33

    astro-ph.GA provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    9
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    • 1 pith inbound references from cited_work_pith_inbound_counts
  3. 2023 Pith paper

    The Panchromatic Hubble Andromeda Treasury XXI. The Legacy Resolved Stellar Photometry Catalog

    astro-ph.GA provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    14
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  4. 2023 Pith paper

    Clusters, Clouds, and Correlations: Relating Young Clusters to Giant Molecular Clouds in M33 and M31

    astro-ph.GA provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    3
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  5. 2023 Pith paper

    Using Dark Energy Explorers and Machine Learning to Enhance the Hobby-Eberly Telescope Dark Energy Experiment

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    11
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  6. 2023 Pith paper

    The JWST Resolved Stellar Populations Early Release Science Program II. Survey Overview

    astro-ph.GA provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    32
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  7. 2022 Pith paper

    The Panchromatic Hubble Andromeda Treasury: Triangulum Extended Region (PHATTER). IV. Star Cluster Catalog

    astro-ph.GA provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    1
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  8. 2022 Pith paper

    The Panchromatic Hubble Andromeda Treasury: Triangulum Extended Region (PHATTER). III. The Mass Function of Young Star Clusters in M33

    astro-ph.GA provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    2
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  9. 2021 Pith paper

    Molecular Gas Properties and CO-to-H2 Conversion Factors in the Central Kiloparsec of NGC 3351

    astro-ph.GA provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    5
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  10. 2020 Pith paper

    The Second Data Release of the Survey of the MAgellanic Stellar History (SMASH)

    astro-ph.GA provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    6
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  11. 2020 Pith paper

    Three-Dimensional Structure and Dust Extinction in the Small Magellanic Cloud

    astro-ph.GA provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    3
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  12. 2020 Pith paper

    PHAT XX. AGB stars and other cool giants in M31 star clusters

    astro-ph.SR provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    3
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  13. 2019 Pith paper

    Combined Effects of Rotation and Age Spreads on Extended Main Sequence Turn Offs

    astro-ph.SR provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    9
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  14. 2019 Pith paper

    On the nature of a shell of young stars in the outskirts of the Small Magellanic Cloud

    astro-ph.GA provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    9
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  15. 2019 Pith paper

    Stellar multiplicity: an interdisciplinary nexus

    astro-ph.SR provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    5
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  16. 2018 Pith paper

    On The Nature of Variations in the Measured Star Formation Efficiency of Molecular Clouds

    astro-ph.GA provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    6
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    • 2 pith inbound references from cited_work_pith_inbound_counts
  17. 2018 Pith paper

    The Spatially Resolved Dust-to-Metals Ratio in M101

    astro-ph.GA provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    4
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  18. 2018 Pith paper

    SMASHing THE LMC: Mapping a Ring-like Stellar Overdensity in the LMC Disk

    astro-ph.GA provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    10
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  19. 2018 Pith paper

    SMASHing the LMC: A Tidally-induced Warp in the Outer LMC and a Large-scale Reddening Map

    astro-ph.GA provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    11
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    • 2 pith inbound references from cited_work_pith_inbound_counts
  20. 2017 Pith paper

    The Small Magellanic Cloud Investigation of Dust and Gas Evolution (SMIDGE): The Dust Extinction Curve from Red Clump Stars

    astro-ph.GA provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    3
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  21. 2017 Pith paper

    A New Approach to Convective Core Overshooting: Probabilistic Constraints from Color-Magnitude Diagrams of LMC Clusters

    astro-ph.SR provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    4
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  22. 2017 Pith paper

    Panchromatic Hubble Andromeda Treasury XVIII. The High-mass Truncation of the Star Cluster Mass Function

    astro-ph.GA provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    1
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    • 1 pith inbound references from cited_work_pith_inbound_counts
  23. 2017 Pith paper

    SMASH - Survey of the MAgellanic Stellar History

    astro-ph.GA provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    20
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    • 1 pith inbound references from cited_work_pith_inbound_counts
  24. 2016 Pith paper

    DDO216-A1: a central globular cluster in a low-luminosity transition type galaxy

    astro-ph.GA provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    7
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  25. 2016 Pith paper

    Panchromatic Hubble Andromeda Treasury XVI. Star Cluster Formation Efficiency and the Clustered Fraction of Young Stars

    astro-ph.GA provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    1
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  26. 2015 Pith paper

    Panchromatic Hubble Andromeda Treasury. XIV. The Period-Age Relationship of Cepheid Variables in M31 Star Clusters

    astro-ph.SR provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    2
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  27. 2015 Pith paper

    The High-Mass Stellar Initial Mass Function in M31 Clusters

    astro-ph.GA provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    2
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  28. 2015 Pith paper

    PHAT Stellar Cluster Survey. II. Andromeda Project Cluster Catalog

    astro-ph.GA provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    1
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  29. 2014 Pith paper

    The Panchromatic Hubble Andromeda Treasury V: Ages and Masses of the Year 1 Stellar Clusters

    astro-ph.GA provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    2
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    • 1 pith inbound references from cited_work_pith_inbound_counts
  30. 2013 Pith paper

    Measuring Galaxy Star Formation Rates From Integrated Photometry: Insights from Color-Magnitude Diagrams of Resolved Stars

    astro-ph.CO provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    4
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  31. 2012 Pith paper

    The Panchromatic Hubble Andromeda Treasury IV. A Probabilistic Approach to Inferring the High Mass Stellar Initial Mass Function and Other Power-law Functions

    astro-ph.CO provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    9
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  32. 2012 Pith paper

    The Panchromatic Hubble Andromeda Treasury III. Measuring Ages and Masses of Partially Resolved Stellar Clusters

    astro-ph.CO provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    2
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  33. 2012 Pith paper

    PHAT Stellar Cluster Survey I. Year 1 Catalog and Integrated Photometry

    astro-ph.CO provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    1
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  34. 2012 Pith paper

    The ACS Nearby Galaxy Survey Treasury. X. Quantifying the Star Cluster Formation Efficiency of Nearby Dwarf Galaxies

    astro-ph.GA provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    4
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  35. 2011 Pith paper

    Modeling the Effects of Star Formation Histories on Halpha and Ultra-Violet Fluxes in Nearby Dwarf Galaxies

    astro-ph.CO provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    3
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    • 1 pith inbound references from cited_work_pith_inbound_counts
  36. 2010 Pith paper

    The Wyoming Survey for H-alpha. III. H-alpha Luminosity Functions at z ~ 0.16, 0.24, 0.32, and 0.40

    astro-ph.CO provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    5
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  37. 2008 Pith paper

    The Wyoming Survey for H-alpha. I. Initial Results at z ~ 0.16 and 0.24

    astro-ph provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    L. Clifton Johnson
    Author position
    4
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.

Evidence apparatus

The machinery behind this record. Every lane states whether Pith measured it, did not query it, could not reach it, or withheld it.

LaneStateObservedBoundary and source
identity Measured 2 Canonical identity row plus public typed identifiers.
source=authors, author_identifiers
papers Measured 37 of 37 bounded rows Rows attributed to this author UUID in the Pith corpus.
source=paper_authors
works Measured zero 0 of 0 bounded rows Imported works not duplicated by the paper ledger.
source=author_works
reviews Measured 1 of 37 bounded rows Coverage count only. No review outcome is projected onto the person.
source=current_verdicts
citations Measured 7 of 37 bounded rows Counts remain itemized by work and source.
source=cited_works
coauthors Measured 50 of 37 bounded rows Shared-work edges from admitted paper rows.
source=paper_authors
account Unavailable No public count of 1 bounded rows Account metadata is separate from corpus evidence.
source=users.author_id
Public identity sources
  • name variant
    L. Clifton Johnson
    backfill
    confidence 0.6
Enumerated research scope

Fields and dates come only from enumerated, non-disputed Pith paper rows. They do not claim career completeness.

  • astro-ph.GA24 rows
  • astro-ph.CO6 rows
  • astro-ph.SR5 rows
  • astro-ph1 rows
  • astro-ph.IM1 rows
  • 20081 rows
  • 20101 rows
  • 20111 rows
  • 20124 rows
  • 20131 rows
  • 20141 rows
  • 20153 rows
  • 20162 rows
  • 20174 rows
  • 20184 rows
  • 20193 rows
  • 20203 rows
  • 20211 rows
  • 20222 rows
  • 20235 rows
  • 20261 rows
Shared-work index
Record scope

The work queries are bounded. Missing rows may mean measured zero, an unavailable source, a query that did not run, or private data that Pith withheld. The lane table keeps those cases separate.

Paper findings remain attached to papers. They do not become findings about this researcher.