V442 Ursae Majoris

eclipsing binary star
Place eclipsing_binary_star Q88929370
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V442 Ursae Majoris

Summary

V442 Ursae Majoris is an eclipsing binary star[1].

Key Facts

  • V442 Ursae Majoris's instance of is recorded as eclipsing binary star[2].
  • V442 Ursae Majoris's constellation is recorded as Ursa Major[3].
  • V442 Ursae Majoris's spectral class is recorded as K3V+K3V[4].
  • V442 Ursae Majoris's part of is recorded as Q98602813[5].
  • V442 Ursae Majoris's companion of is recorded as V441 Ursae Majoris[6].
  • V442 Ursae Majoris's catalog code is recorded as Gaia DR2 1019985089906439040[7].
  • V442 Ursae Majoris's catalog code is recorded as WDS J09302+5339B[8].
  • V442 Ursae Majoris's catalog code is recorded as TYC 3807-759-2[9].
  • V442 Ursae Majoris's catalog code is recorded as V442 UMa[10].
  • V442 Ursae Majoris's catalog code is recorded as RX J0930.1+5339B[11].
  • V442 Ursae Majoris's catalog code is recorded as ** TDS 538B[12].
  • V442 Ursae Majoris's type of variable star is recorded as W Ursae Majoris variable[13].
  • V442 Ursae Majoris's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.8234'}[14].
  • V442 Ursae Majoris's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.84'}[15].
  • V442 Ursae Majoris's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.98'}[16].
  • V442 Ursae Majoris's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+14.2877'}[17].
  • V442 Ursae Majoris's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+69.9903'}[18].
  • V442 Ursae Majoris's SIMBAD ID is recorded as RX J0930.1+5339B[19].
  • V442 Ursae Majoris's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+142.54546975928875'}[20].
  • V442 Ursae Majoris's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+53.64954430947888'}[21].
  • V442 Ursae Majoris's epoch is recorded as J2000.0[22].
  • V442 Ursae Majoris's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-13.255'}[23].
  • V442 Ursae Majoris's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-0.737'}[24].
  • V442 Ursae Majoris's Gaia ID is recorded as 1019985089906439040[25].

Body

Geography

V442 Ursae Majoris's part of is recorded as Q98602813[5].

Designation and Status

V442 Ursae Majoris's instance of is recorded as eclipsing binary star[2].

History and Context

Catalog codes include Gaia DR2 1019985089906439040[7], WDS J09302+5339B[8], TYC 3807-759-2[9], V442 UMa[10], RX J0930.1+5339B[11], and ** TDS 538B[12].

References

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

Direct Wikidata claims

  1. [2] . SIMBAD. wikidata.org.
  2. [3] . VizieR. wikidata.org.
  3. [4] . 1SWASP J093010.78+533859.5: a possible hierarchical quintuple system. wikidata.org.
  4. [5] . SIMBAD. wikidata.org.
  5. [6] . SIMBAD. wikidata.org.
  6. [7] . SIMBAD. wikidata.org.
  7. [8] . SIMBAD. wikidata.org.
  8. [9] . SIMBAD. wikidata.org.
  9. [10] . SIMBAD. wikidata.org.
  10. [11] . SIMBAD. wikidata.org.
  11. [12] . SIMBAD. wikidata.org.
  12. [13] . Q56001295. wikidata.org.
  13. [14] . Gaia Data Release 2. wikidata.org.
  14. [15] . The Tycho double star catalogue. wikidata.org.
  15. [16] . The Tycho double star catalogue. wikidata.org.
  16. [17] . Gaia Data Release 2. wikidata.org.
  17. [18] . Gaia Data Release 2. wikidata.org.
  18. [19] . wikidata.org.
  19. [20] . Gaia Data Release 2. wikidata.org.
  20. [21] . Gaia Data Release 2. wikidata.org.
  21. [22] . Gaia Data Release 2. wikidata.org.
  22. [23] . Gaia Data Release 2. wikidata.org.
  23. [24] . Gaia Data Release 2. wikidata.org.
  24. [25] . wikidata.org.

Class ancestry

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

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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). V442 Ursae Majoris. Retrieved May 3, 2026, from https://4ort.xyz/entity/v442-ursae-majoris
MLA “V442 Ursae Majoris.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/v442-ursae-majoris.
BibTeX @misc{4ortxyz_v442-ursae-majoris_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{V442 Ursae Majoris}}, year = {2026}, url = {https://4ort.xyz/entity/v442-ursae-majoris}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): V442 Ursae Majoris — https://4ort.xyz/entity/v442-ursae-majoris (retrieved 2026-05-03)

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