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Calvera

X-ray source
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Calvera

Summary

Calvera is a X-ray pulsar[1]. Calvera draws 16 Wikipedia views per month (x_ray_pulsar category, ranking #1 of 1).[2]

Key Facts

  • Calvera's instance of is recorded as X-ray pulsar[3].
  • Calvera's instance of is recorded as astrophysical X-ray source[4].
  • Calvera's constellation is recorded as Ursa Minor[5].
  • Calvera's catalog code is recorded as 1RXS J141256.0+792204[6].
  • Calvera's catalog code is recorded as RX J1412.9+7922[7].
  • Calvera's time of discovery or invention is recorded as 2007[8].
  • Calvera's different from is recorded as Calvera[9].
  • Calvera's right ascension is recorded as {'unit': 'Q28390', 'amount': '+213.2328542'}[10].
  • Calvera's declination is recorded as {'unit': 'Q28390', 'amount': '+79.3678056'}[11].
  • Calvera's epoch is recorded as J2000.0[12].

Body

Designation and Status

Recorded instance of include X-ray pulsar[3] and astrophysical X-ray source[4].

History and Context

Catalog codes include 1RXS J141256.0+792204[6] and RX J1412.9+7922[7].

Why It Matters

Calvera draws 16 Wikipedia views per month (x_ray_pulsar category, ranking #1 of 1).[2] Calvera has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.[13] Calvera is known by 3 alternative names across languages and contexts.[14]

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] ↑ . VizieR. wikidata.org.
  4. [6] ↑ . SIMBAD. wikidata.org.
  5. [7] ↑ . SIMBAD. wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . Discovery of an Isolated Compact Object at High Galactic Latitude. wikidata.org.
  9. [11] ↑ . Discovery of an Isolated Compact Object at High Galactic Latitude. wikidata.org.
  10. [12] ↑ . Discovery of an Isolated Compact Object at High Galactic Latitude. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [13] ↑ . Wikidata sitelinks. wikidata.org.
  3. [14] ↑ . 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). Calvera. Retrieved May 3, 2026, from https://4ort.xyz/entity/calvera-q857620
MLA “Calvera.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/calvera-q857620.
BibTeX @misc{4ortxyz_calvera-q857620_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Calvera}}, year = {2026}, url = {https://4ort.xyz/entity/calvera-q857620}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Calvera — https://4ort.xyz/entity/calvera-q857620 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/calvera-q857620 · Last refreshed:

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. 9d ago · HsfBot · 2026-05-25 view diff on Wikidata ↗
    Right ascension → {'unit': 'Q28390', 'amount': '+213.2328542'}
    Instance of → X-ray pulsar, astrophysical X-ray source
    Epoch → J2000.0
    Instance of → —
    + 4 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ Add Indonesian Wikipedia sitelink: [[id:Calvera (bintang neutron)]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.