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HD243840

peculiar star in the constellation Auriga
Thing peculiar_star Q12068018
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HD243840

Summary

HD243840 is a peculiar star[1].

Key Facts

  • HD243840's instance of is recorded as peculiar star[2].
  • HD243840's constellation is recorded as Auriga[3].
  • HD243840's spectral class is recorded as A2[4].
  • HD243840's catalog code is recorded as HD 243840[5].
  • HD243840's catalog code is recorded as GSC 02411-02284[6].
  • HD243840's catalog code is recorded as 2MASS J05282588+3407081[7].
  • HD243840's catalog code is recorded as BD+33 1057[8].
  • HD243840's catalog code is recorded as AAO+34 132[9].
  • HD243840's catalog code is recorded as TYC 2411-2284-1[10].
  • HD243840's catalog code is recorded as Gaia DR1 182616133912579584[11].
  • HD243840's catalog code is recorded as Gaia DR2 182616133912579584[12].
  • HD243840's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.16'}[13].
  • HD243840's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.94'}[14].
  • HD243840's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.8212'}[15].
  • HD243840's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.272'}[16].
  • HD243840's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.207'}[17].
  • HD243840's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.141'}[18].
  • HD243840's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.2433'}[19].
  • HD243840's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+804.3111'}[20].
  • HD243840's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+82.10786508250300'}[21].
  • HD243840's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+34.11896538388210'}[22].
  • HD243840's epoch is recorded as J2000.0[23].
  • HD243840's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-9.941'}[24].
  • HD243840's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+2.283'}[25].

Body

Definition and Type

HD243840's instance of is recorded as peculiar star[2].

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . VizieR. wikidata.org.
  3. [4] ↑ . VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925). 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] ↑ . The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
  13. [14] ↑ . The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
  14. [15] ↑ . Gaia Data Release 2. wikidata.org.
  15. [16] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  16. [17] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  17. [18] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  18. [19] ↑ . Gaia Data Release 2. 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] ↑ . 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). HD243840. Retrieved May 7, 2026, from https://4ort.xyz/entity/q12068018
MLA “HD243840.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q12068018.
BibTeX @misc{4ortxyz_q12068018_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{HD243840}}, year = {2026}, url = {https://4ort.xyz/entity/q12068018}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): HD243840 — https://4ort.xyz/entity/q12068018 (retrieved 2026-05-07)

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