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GR Tauri

star in the constellation Taurus
Place star Q43305818
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GR Tauri

Summary

GR Tauri is a star[1].

Key Facts

  • GR Tauri's instance of is recorded as star[2].
  • GR Tauri's constellation is recorded as Taurus[3].
  • GR Tauri's spectral class is recorded as A5V[4].
  • GR Tauri's catalog code is recorded as BD+20 685[5].
  • GR Tauri's catalog code is recorded as GSC 01258-00505[6].
  • GR Tauri's catalog code is recorded as 2MASS J04010323+2024503[7].
  • GR Tauri's catalog code is recorded as TYC 1258-505-1[8].
  • GR Tauri's catalog code is recorded as UCAC3 221-18085[9].
  • GR Tauri's catalog code is recorded as GR Tau[10].
  • GR Tauri's catalog code is recorded as UCAC2 38920408[11].
  • GR Tauri's catalog code is recorded as SBC9 213[12].
  • GR Tauri's catalog code is recorded as Gaia DR1 50652988863155840[13].
  • GR Tauri's catalog code is recorded as WEB 3612[14].
  • GR Tauri's catalog code is recorded as Gaia DR2 50652993161025792[15].
  • GR Tauri's type of variable star is recorded as Beta Lyrae variable[16].
  • GR Tauri's type of variable star is recorded as eclipsing binary star[17].
  • GR Tauri's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.80'}[18].
  • GR Tauri's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.36'}[19].
  • GR Tauri's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.43'}[20].
  • GR Tauri's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.3615'}[21].
  • GR Tauri's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.720'}[22].
  • GR Tauri's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.536'}[23].
  • GR Tauri's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.426'}[24].
  • GR Tauri's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.8035'}[25].
  • GR Tauri's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-33.2'}[26].

Body

Designation and Status

GR Tauri's instance of is recorded as star[2].

History and Context

Catalog codes include BD+20 685[5], GSC 01258-00505[6], 2MASS J04010323+2024503[7], TYC 1258-505-1[8], UCAC3 221-18085[9], and GR Tau[10].

References

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

Direct Wikidata claims

  1. [2] ↑ . SIMBAD. wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . Short-period noncontact close binary systems. II. GR Tauri. 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] ↑ . SIMBAD. wikidata.org.
  13. [14] ↑ . SIMBAD. wikidata.org.
  14. [15] ↑ . SIMBAD. wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . Up-to-date linear elements of eclipsing binaries. wikidata.org.
  17. [18] ↑ . The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
  18. [19] ↑ . The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
  19. [20] ↑ . Third U.S. Naval Observatory CCD Astrograph Catalog (UCAC3). wikidata.org.
  20. [21] ↑ . Gaia Data Release 2. wikidata.org.
  21. [22] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  22. [23] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  23. [24] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  24. [25] ↑ . Gaia Data Release 2. wikidata.org.
  25. [26] ↑ . Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue. 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). GR Tauri. Retrieved May 3, 2026, from https://4ort.xyz/entity/gr-tauri
MLA “GR Tauri.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/gr-tauri.
BibTeX @misc{4ortxyz_gr-tauri_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{GR Tauri}}, year = {2026}, url = {https://4ort.xyz/entity/gr-tauri}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): GR Tauri — https://4ort.xyz/entity/gr-tauri (retrieved 2026-05-03)

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