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HD 2019

star in the constellation Andromeda
Thing star Q12071053
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HD 2019

Summary

HD 2019 is a star[1].

Key Facts

  • HD 2019's instance of is recorded as star[2].
  • HD 2019's instance of is recorded as spectroscopic binary[3].
  • HD 2019's instance of is recorded as infrared source[4].
  • HD 2019's constellation is recorded as Andromeda[5].
  • HD 2019's spectral class is recorded as B9[6].
  • HD 2019's catalog code is recorded as HD 2019[7].
  • HD 2019's catalog code is recorded as GSC 02261-00204[8].
  • HD 2019's catalog code is recorded as SAO 53870[9].
  • HD 2019's catalog code is recorded as HIP 1952[10].
  • HD 2019's catalog code is recorded as 2MASS J00243968+3122228[11].
  • HD 2019's catalog code is recorded as AG+31 29[12].
  • HD 2019's catalog code is recorded as BD+30 55[13].
  • HD 2019's catalog code is recorded as GC 482[14].
  • HD 2019's catalog code is recorded as GCRV 223[15].
  • HD 2019's catalog code is recorded as HIC 1952[16].
  • HD 2019's catalog code is recorded as PPM 65275[17].
  • HD 2019's catalog code is recorded as TD1 200[18].
  • HD 2019's catalog code is recorded as TYC 2261-204-1[19].
  • HD 2019's catalog code is recorded as uvby98 100002019[20].
  • HD 2019's catalog code is recorded as SBC9 18[21].
  • HD 2019's catalog code is recorded as SBC7 14[22].
  • HD 2019's catalog code is recorded as WEB 367[23].
  • HD 2019's catalog code is recorded as Gaia DR2 2862259565759107200[24].
  • HD 2019's apparent magnitude is recorded as {'unit': '1', 'amount': '+6.69'}[25].
  • HD 2019's apparent magnitude is recorded as {'unit': '1', 'amount': '+6.75'}[26].

Body

Definition and Type

Recorded instance of include star[2], spectroscopic binary[3], and infrared source[4].

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] ↑ . VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925). 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). HD 2019. Retrieved May 7, 2026, from https://4ort.xyz/entity/q12071053
MLA “HD 2019.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q12071053.
BibTeX @misc{4ortxyz_q12071053_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{HD 2019}}, year = {2026}, url = {https://4ort.xyz/entity/q12071053}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): HD 2019 — https://4ort.xyz/entity/q12071053 (retrieved 2026-05-07)

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