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YY Orionis

variable star in the constellation Orion
Place star Q66306893
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YY Orionis

Summary

YY Orionis is a star[1].

Key Facts

  • YY Orionis's instance of is recorded as star[2].
  • YY Orionis's constellation is recorded as Orion[3].
  • YY Orionis's spectral class is recorded as K2IVe[4].
  • YY Orionis's catalog code is recorded as 2MASS J05344753-0557569[5].
  • YY Orionis's catalog code is recorded as HBC 119[6].
  • YY Orionis's catalog code is recorded as [TVH89] 13[7].
  • YY Orionis's catalog code is recorded as [MGM2012] 1101[8].
  • YY Orionis's catalog code is recorded as SOXS 74[9].
  • YY Orionis's catalog code is recorded as Gaia DR2 3017188931733323776[10].
  • YY Orionis's catalog code is recorded as YY Ori[11].
  • YY Orionis's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.20'}[12].
  • YY Orionis's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.1053'}[13].
  • YY Orionis's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.945'}[14].
  • YY Orionis's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.04'}[15].
  • YY Orionis's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.401'}[16].
  • YY Orionis's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.95'}[17].
  • YY Orionis's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.5221'}[18].
  • YY Orionis's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+21.981466'}[19].
  • YY Orionis's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+21.862558'}[20].
  • YY Orionis's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+21.981466000'}[21].
  • YY Orionis's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+21.981466000'}[22].
  • YY Orionis's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+396.4950'}[23].
  • YY Orionis's SIMBAD ID is recorded as V* YY Ori[24].
  • YY Orionis's stellar rotational velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+21.449'}[25].
  • YY Orionis's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+83.69805570932390'}[26].

Body

Designation and Status

YY Orionis's instance of is recorded as star[2].

History and Context

Catalog codes include 2MASS J05344753-0557569[5], HBC 119[6], [TVH89] 13[7], [MGM2012] 1101[8], SOXS 74[9], and Gaia DR2 3017188931733323776[10].

References

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

Direct Wikidata claims

  1. [2] ↑ . SIMBAD. Retrieved . simbad.u-strasbg.fr. Provenance: wikidata.org.
  2. [3] ↑ . SIMBAD. Retrieved . simbad.u-strasbg.fr. Provenance: wikidata.org.
  3. [4] ↑ . Studies of extremely young clusters. VII. Spectroscopic observations of faint stars in the Orion nebula. wikidata.org.
  4. [5] ↑ . SIMBAD. Retrieved . simbad.u-strasbg.fr. Provenance: 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] ↑ . wikidata.org.
  11. [12] ↑ . Catalogue of Stellar Photometry in Johnson's 11-color system. wikidata.org.
  12. [13] ↑ . Gaia Data Release 2. wikidata.org.
  13. [14] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  14. [15] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  15. [16] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  16. [17] ↑ . Kinematics of the Orion Nebula Cluster: velocity substructure and spectroscopic binaries. wikidata.org.
  17. [18] ↑ . Gaia Data Release 2. wikidata.org.
  18. [19] ↑ . IN-SYNC. III. The dynamical state of IC 348 - a super-virial velocity dispersion and a puzzling sign of convergence. wikidata.org.
  19. [20] ↑ . IN-SYNC. III. The dynamical state of IC 348 - a super-virial velocity dispersion and a puzzling sign of convergence. wikidata.org.
  20. [21] ↑ . IN-SYNC. III. The dynamical state of IC 348 - a super-virial velocity dispersion and a puzzling sign of convergence. wikidata.org.
  21. [22] ↑ . IN-SYNC. III. The dynamical state of IC 348 - a super-virial velocity dispersion and a puzzling sign of convergence. wikidata.org.
  22. [23] ↑ . Gaia Data Release 2. wikidata.org.
  23. [24] ↑ . wikidata.org.
  24. [25] ↑ . IN-SYNC. IV. The young stellar population in the Orion A molecular cloud. wikidata.org.
  25. [26] ↑ . Gaia Data Release 2. 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). YY Orionis. Retrieved May 3, 2026, from https://4ort.xyz/entity/yy-orionis
MLA “YY Orionis.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/yy-orionis.
BibTeX @misc{4ortxyz_yy-orionis_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{YY Orionis}}, year = {2026}, url = {https://4ort.xyz/entity/yy-orionis}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): YY Orionis — https://4ort.xyz/entity/yy-orionis (retrieved 2026-05-03)

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