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VIRGOHI21

possible dark galaxy in constellation Coma Berenices
Thing interstellar_cloud Q1210087
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VIRGOHI21

Summary

VIRGOHI21 is an interstellar cloud[1]. VIRGOHI21 draws 18 Wikipedia views per month (interstellar_cloud category, ranking #3 of 5).[2]

Key Facts

  • VIRGOHI21's instance of is recorded as interstellar cloud[3].
  • VIRGOHI21's instance of is recorded as dark galaxy[4].
  • VIRGOHI21's constellation is recorded as Virgo[5].
  • VIRGOHI21's part of is recorded as Virgo Cluster[6].
  • VIRGOHI21's catalog code is recorded as VIRGOHI 21[7].
  • VIRGOHI21's time of discovery or invention is recorded as +2005-00-00T00:00:00Z[8].
  • VIRGOHI21's Freebase ID is recorded as /m/058wdh[9].
  • VIRGOHI21's radial velocity is recorded as {'unit': 'Q3674704', 'amount': '+1966'}[10].
  • VIRGOHI21's SIMBAD ID is recorded as [KGH2007] 6[11].
  • VIRGOHI21's right ascension is recorded as {'unit': 'Q28390', 'amount': '+184.4625'}[12].
  • VIRGOHI21's declination is recorded as {'unit': 'Q28390', 'amount': '+14.7750'}[13].
  • VIRGOHI21's epoch is recorded as J2000.0[14].

Why It Matters

VIRGOHI21 draws 18 Wikipedia views per month (interstellar_cloud category, ranking #3 of 5).[2] VIRGOHI21 has Wikipedia articles in 12 language editions, a strong signal of global cultural recognition.[15]

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . A Dark Hydrogen Cloud in the Virgo Cluster. wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . SIMBAD. wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . Freebase Data Dumps. wikidata.org.
  8. [10] ↑ . A multibeam H i survey of the Virgo cluster - two isolated H i clouds?. wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . A multibeam H i survey of the Virgo cluster - two isolated H i clouds?. wikidata.org.
  11. [13] ↑ . A multibeam H i survey of the Virgo cluster - two isolated H i clouds?. wikidata.org.
  12. [14] ↑ . A multibeam H i survey of the Virgo cluster - two isolated H i clouds?. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [15] ↑ . Wikidata sitelinks. 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). VIRGOHI21. Retrieved May 3, 2026, from https://4ort.xyz/entity/virgohi21
MLA “VIRGOHI21.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/virgohi21.
BibTeX @misc{4ortxyz_virgohi21_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{VIRGOHI21}}, year = {2026}, url = {https://4ort.xyz/entity/virgohi21}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): VIRGOHI21 — https://4ort.xyz/entity/virgohi21 (retrieved 2026-05-03)

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