HD40540

peculiar star in the constellation Columba
Thing peculiar_star Q12069054
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HD40540

Summary

HD40540 is a peculiar star[1].

Key Facts

  • HD40540's instance of is recorded as peculiar star[2].
  • HD40540's constellation is recorded as Columba[3].
  • HD40540's spectral class is recorded as A8IV(m)[4].
  • HD40540's catalog code is recorded as HD 40540[5].
  • HD40540's catalog code is recorded as CPC 17 2462[6].
  • HD40540's catalog code is recorded as GSC 07066-01449[7].
  • HD40540's catalog code is recorded as HIC 28230[8].
  • HD40540's catalog code is recorded as HIP 28230[9].
  • HD40540's catalog code is recorded as 2MASS J05575259-3428340[10].
  • HD40540's catalog code is recorded as PPM 282094[11].
  • HD40540's catalog code is recorded as SAO 196357[12].
  • HD40540's catalog code is recorded as TD1 5757[13].
  • HD40540's catalog code is recorded as TYC 7066-1449-1[14].
  • HD40540's catalog code is recorded as Gaia DR1 2889357747084634368[15].
  • HD40540's catalog code is recorded as Gaia DR2 2889357751382351872[16].
  • HD40540's apparent magnitude is recorded as {'unit': '1', 'amount': '+7.82'}[17].
  • HD40540's apparent magnitude is recorded as {'unit': '1', 'amount': '+7.54'}[18].
  • HD40540's apparent magnitude is recorded as {'unit': '1', 'amount': '+7.23'}[19].
  • HD40540's apparent magnitude is recorded as {'unit': '1', 'amount': '+7.4840'}[20].
  • HD40540's apparent magnitude is recorded as {'unit': '1', 'amount': '+7.015'}[21].
  • HD40540's apparent magnitude is recorded as {'unit': '1', 'amount': '+6.929'}[22].
  • HD40540's apparent magnitude is recorded as {'unit': '1', 'amount': '+6.882'}[23].
  • HD40540's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+11.3254'}[24].
  • HD40540's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+32.59'}[25].
  • HD40540's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+1010000'}[26].

Body

Definition and Type

HD40540'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] . Q66617465. 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] . SIMBAD. wikidata.org.
  16. [17] . The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
  17. [18] . The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
  18. [19] . Bright 22 μm Excess Candidates from the Wise All-sky Catalog and the Hipparcos Main Catalog. wikidata.org.
  19. [20] . Gaia Data Release 2. wikidata.org.
  20. [21] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). 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] . Gaia Data Release 2. wikidata.org.
  24. [25] . Gaia Data Release 2. wikidata.org.
  25. [26] . Characterization of Dusty Debris Disks: The IRAS and Hipparcos Catalogs. wikidata.org.

Class ancestry

  1. [1] . Wikidata. 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). HD40540. Retrieved May 7, 2026, from https://4ort.xyz/entity/q12069054
MLA “HD40540.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q12069054.
BibTeX @misc{4ortxyz_q12069054_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{HD40540}}, year = {2026}, url = {https://4ort.xyz/entity/q12069054}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): HD40540 — https://4ort.xyz/entity/q12069054 (retrieved 2026-05-07)

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