V4998 Sagittarii

luminous blue variable star in the constellation Sagittarius
Place luminous_blue_variable Q19895736
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V4998 Sagittarii

Summary

V4998 Sagittarii is a luminous blue variable[1]. It draws 24 Wikipedia views per month (luminous_blue_variable category, ranking #1 of 2).[2]

Key Facts

  • V4998 Sagittarii's image is recorded as LBV G0.120-0.048.jpg[3].
  • V4998 Sagittarii's instance of is recorded as luminous blue variable[4].
  • V4998 Sagittarii's instance of is recorded as infrared source[5].
  • V4998 Sagittarii's constellation is recorded as Sagittarius[6].
  • V4998 Sagittarii's spectral class is recorded as WN5b[7].
  • V4998 Sagittarii's Commons category is recorded as LBV G0.120−0.048[8].
  • V4998 Sagittarii's catalog code is recorded as 2MASS J17460562-2851319[9].
  • V4998 Sagittarii's catalog code is recorded as [MKN2009] 1066[10].
  • V4998 Sagittarii's catalog code is recorded as SSTGC 595621[11].
  • V4998 Sagittarii's catalog code is recorded as [DWC2011] 92[12].
  • V4998 Sagittarii's Freebase ID is recorded as /m/012r5l2v[13].
  • V4998 Sagittarii's type of variable star is recorded as luminous blue variable[14].
  • V4998 Sagittarii's type of variable star is recorded as semiregular variable star[15].
  • V4998 Sagittarii's apparent magnitude is recorded as {'amount': '+12.534'}[16].
  • V4998 Sagittarii's apparent magnitude is recorded as {'amount': '+9.239'}[17].
  • V4998 Sagittarii's apparent magnitude is recorded as {'amount': '+7.462'}[18].
  • V4998 Sagittarii's SIMBAD ID is recorded as [NHS93] 22[19].
  • V4998 Sagittarii's right ascension is recorded as {'unit': 'Q28390', 'amount': '+266.5234375'}[20].
  • V4998 Sagittarii's declination is recorded as {'unit': 'Q28390', 'amount': '-28.8588667'}[21].
  • V4998 Sagittarii's epoch is recorded as J2000.0[22].

Body

Designation and Status

Recorded instance of include luminous blue variable[4] and infrared source[5].

History and Context

Catalog codes include 2MASS J17460562-2851319[9], [MKN2009] 1066[10], SSTGC 595621[11], and [DWC2011] 92[12].

Why It Matters

V4998 Sagittarii draws 24 Wikipedia views per month (luminous_blue_variable category, ranking #1 of 2).[2] It has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[23]

References

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

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . Discovery of a luminous blue variable with an ejection nebula near the Quintuplet cluster. wikidata.org.
  3. [5] . SIMBAD. wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . Isolated Wolf-Rayet stars and O supergiants in the Galactic Center region identified via Paschen-{alpha} excess. wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . SIMBAD. wikidata.org.
  8. [10] . SIMBAD. wikidata.org.
  9. [11] . SIMBAD. wikidata.org.
  10. [12] . SIMBAD. wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . Discovery of a luminous blue variable with an ejection nebula near the Quintuplet cluster. wikidata.org.
  13. [15] . VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+, 2007-2017). wikidata.org.
  14. [16] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  15. [17] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  16. [18] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  17. [19] . SIMBAD. wikidata.org.
  18. [20] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  19. [21] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  20. [22] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [23] . 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). V4998 Sagittarii. Retrieved May 3, 2026, from https://4ort.xyz/entity/v4998-sagittarii
MLA “V4998 Sagittarii.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/v4998-sagittarii.
BibTeX @misc{4ortxyz_v4998-sagittarii_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{V4998 Sagittarii}}, year = {2026}, url = {https://4ort.xyz/entity/v4998-sagittarii}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): V4998 Sagittarii — https://4ort.xyz/entity/v4998-sagittarii (retrieved 2026-05-03)

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