HD10840

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HD10840

Summary

HD10840 is a variable star[1].

Key Facts

  • HD10840's instance of is recorded as variable star[2].
  • HD10840's instance of is recorded as Alpha² Canum Venaticorum variable[3].
  • HD10840's instance of is recorded as infrared source[4].
  • HD10840's constellation is recorded as Hydrus[5].
  • HD10840's spectral class is recorded as ApSi[6].
  • HD10840's catalog code is recorded as GSC 08850-01317[7].
  • HD10840's catalog code is recorded as HD 10840[8].
  • HD10840's catalog code is recorded as SAO 248427[9].
  • HD10840's catalog code is recorded as HIP 8132[10].
  • HD10840's catalog code is recorded as 2MASS J01443295-6101073[11].
  • HD10840's catalog code is recorded as CD-61 304[12].
  • HD10840's catalog code is recorded as CPC 20.1 339[13].
  • HD10840's catalog code is recorded as CPD-61 139[14].
  • HD10840's catalog code is recorded as GC 2140[15].
  • HD10840's catalog code is recorded as HIC 8132[16].
  • HD10840's catalog code is recorded as PPM 352557[17].
  • HD10840's catalog code is recorded as TD1 1009[18].
  • HD10840's catalog code is recorded as TYC 8850-1317-1[19].
  • HD10840's catalog code is recorded as BM Hyi[20].
  • HD10840's catalog code is recorded as uvby98 100010840 V[21].
  • HD10840's catalog code is recorded as uvby98 100010840[22].
  • HD10840's catalog code is recorded as TIC 231844926[23].
  • HD10840's catalog code is recorded as Gaia DR2 4712976435488313216[24].
  • HD10840's apparent magnitude is recorded as {'unit': '1', 'amount': '+6.71'}[25].
  • HD10840's apparent magnitude is recorded as {'unit': '1', 'amount': '+6.79'}[26].

References

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

Direct Wikidata claims

  1. [2] . SIMBAD. wikidata.org.
  2. [3] . SIMBAD. wikidata.org.
  3. [4] . SIMBAD. wikidata.org.
  4. [5] . VizieR. wikidata.org.
  5. [6] . Q66617329. 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] . SIMBAD. wikidata.org.
  17. [18] . SIMBAD. wikidata.org.
  18. [19] . SIMBAD. wikidata.org.
  19. [20] . SIMBAD. wikidata.org.
  20. [21] . SIMBAD. wikidata.org.
  21. [22] . SIMBAD. wikidata.org.
  22. [23] . SIMBAD. wikidata.org.
  23. [24] . SIMBAD. wikidata.org.
  24. [25] . The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
  25. [26] . The Tycho-2 catalogue of the 2.5 million brightest stars. 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). HD10840. Retrieved May 7, 2026, from https://4ort.xyz/entity/q12064605
MLA “HD10840.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q12064605.
BibTeX @misc{4ortxyz_q12064605_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{HD10840}}, year = {2026}, url = {https://4ort.xyz/entity/q12064605}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): HD10840 — https://4ort.xyz/entity/q12064605 (retrieved 2026-05-07)

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