Black Widow Pulsar

pulsar in the constellation Sagitta
Place black_widow_pulsars Q2253763
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Black Widow Pulsar

Summary

Black Widow Pulsar is a Black Widow Pulsars[1]. It has Wikipedia articles in 9 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • Black Widow Pulsar's instance of is recorded as Black Widow Pulsars[3].
  • Black Widow Pulsar's instance of is recorded as pulsar[4].
  • Black Widow Pulsar's instance of is recorded as unconfirmed exoplanet[5].
  • Black Widow Pulsar's constellation is recorded as Sagitta[6].
  • Black Widow Pulsar's spectral class is recorded as G:[7].
  • Black Widow Pulsar's Commons category is recorded as Black Widow Pulsars[8].
  • Black Widow Pulsar's child astronomical body is recorded as PSR B1957+20 b[9].
  • Black Widow Pulsar's catalog code is recorded as QX Sge[10].
  • Black Widow Pulsar's catalog code is recorded as 2FGL J1959.5+2047[11].
  • Black Widow Pulsar's catalog code is recorded as 3FGL J1959.5+2047[12].
  • Black Widow Pulsar's catalog code is recorded as Gaia DR2 1823773960079216896[13].
  • Black Widow Pulsar's catalog code is recorded as Gaia DR3 1823773960079216896[14].
  • Black Widow Pulsar's apparent magnitude is recorded as {'amount': '+20.172272'}[15].
  • Black Widow Pulsar's apparent magnitude is recorded as {'amount': '+21.08'}[16].
  • Black Widow Pulsar's apparent magnitude is recorded as {'amount': '+20.16'}[17].
  • Black Widow Pulsar's apparent magnitude is recorded as {'amount': '+19.53'}[18].
  • Black Widow Pulsar's apparent magnitude is recorded as {'amount': '+18.79'}[19].
  • Black Widow Pulsar's apparent magnitude is recorded as {'amount': '+17.8'}[20].
  • Black Widow Pulsar's mass is recorded as {'unit': 'Q180892', 'amount': '+1.4'}[21].
  • Black Widow Pulsar's parallax is recorded as {'unit': 'Q21500224', 'amount': '+1.1878'}[22].
  • Black Widow Pulsar's distance from Earth is recorded as {'unit': 'Q12129', 'amount': '+2250'}[23].
  • Black Widow Pulsar's right ascension is recorded as {'unit': 'Q28390', 'amount': '+299.90318464229995'}[24].
  • Black Widow Pulsar's declination is recorded as {'unit': 'Q28390', 'amount': '+20.80413789111'}[25].
  • Black Widow Pulsar's epoch is recorded as J2000.0[26].
  • Black Widow Pulsar's age estimated by a dating method is recorded as {'unit': 'Q524410', 'amount': '+2.2'}[27].

Body

Designation and Status

Recorded instance of include Black Widow Pulsars[3], pulsar[4], and unconfirmed exoplanet[5].

History and Context

Catalog codes include QX Sge[10], 2FGL J1959.5+2047[11], 3FGL J1959.5+2047[12], Gaia DR2 1823773960079216896[13], and Gaia DR3 1823773960079216896[14].

Why It Matters

Black Widow Pulsar has Wikipedia articles in 9 language editions, a strong signal of global cultural recognition.[2] It is known by 20 alternative names across languages and contexts.[28]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . SIMBAD. wikidata.org.
  3. [5] . SIMBAD. wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . Spectroscopy of the companion and bow-shock nebula of PSR 1957+20. wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . SIMBAD. wikidata.org.
  9. [11] . SIMBAD. wikidata.org.
  10. [12] . SIMBAD. wikidata.org.
  11. [13] . SIMBAD. wikidata.org.
  12. [14] . SIMBAD. wikidata.org.
  13. [15] . Gaia Early Data Release 3. wikidata.org.
  14. [16] . The light curve of the companion to PSR B1957+20. wikidata.org.
  15. [17] . The light curve of the companion to PSR B1957+20. wikidata.org.
  16. [18] . The light curve of the companion to PSR B1957+20. wikidata.org.
  17. [19] . The light curve of the companion to PSR B1957+20. wikidata.org.
  18. [20] . The light curve of the companion to PSR B1957+20. wikidata.org.
  19. [21] . Extrasolar Planets Encyclopaedia. wikidata.org.
  20. [22] . Gaia Early Data Release 3. wikidata.org.
  21. [23] . An Optical Study of the Black Widow Population. wikidata.org.
  22. [24] . Gaia Early Data Release 3. wikidata.org.
  23. [25] . Gaia Early Data Release 3. wikidata.org.
  24. [26] . Timing gamma-ray pulsars with the Fermi Large Area Telescope: timing noise and astrometry. wikidata.org.
  25. [27] . Extrasolar Planets Encyclopaedia. wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikidata sitelinks. wikidata.org.
  2. [28] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Black Widow Pulsar. Retrieved May 3, 2026, from https://4ort.xyz/entity/black-widow-pulsar
MLA “Black Widow Pulsar.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/black-widow-pulsar.
BibTeX @misc{4ortxyz_black-widow-pulsar_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Black Widow Pulsar}}, year = {2026}, url = {https://4ort.xyz/entity/black-widow-pulsar}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Black Widow Pulsar — https://4ort.xyz/entity/black-widow-pulsar (retrieved 2026-05-03)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 6w ago · Huntster · 2026-05-28 view diff on Wikidata ↗
    Declination {'unit': 'Q28390', 'amount': '+20.80413789111'}
    Constellation Sagitta
    Age estimated by a dating method {'unit': 'Q524410', 'amount': '+2.2'}
    Parallax {'unit': 'Q21500224', 'amount': '+1.1878'}
    + 13 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ [[Property:P31]]: [[Q4360]]"
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