HD 21018

spectroscopic binary star system in the constellation Taurus
Place star Q10849372
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HD 21018

Summary

HD 21018 is a star[1].

Key Facts

  • HD 21018's instance of is recorded as star[2].
  • HD 21018's instance of is recorded as spectroscopic binary[3].
  • HD 21018's instance of is recorded as double star[4].
  • HD 21018's constellation is recorded as Taurus[5].
  • HD 21018's spectral class is recorded as G2III:CH-1:[6].
  • HD 21018's catalog code is recorded as 2MASS J03233899+0452556[7].
  • HD 21018's catalog code is recorded as AG+04 344[8].
  • HD 21018's catalog code is recorded as BD+04 532[9].
  • HD 21018's catalog code is recorded as GC 4045[10].
  • HD 21018's catalog code is recorded as GCRV 1872[11].
  • HD 21018's catalog code is recorded as GSC 00060-00524[12].
  • HD 21018's catalog code is recorded as HD 21018[13].
  • HD 21018's catalog code is recorded as HIC 15807[14].
  • HD 21018's catalog code is recorded as HIP 15807[15].
  • HD 21018's catalog code is recorded as HR 1023[16].
  • HD 21018's catalog code is recorded as IDS 03184+0432[17].
  • HD 21018's catalog code is recorded as IRAS 03210+0442[18].
  • HD 21018's catalog code is recorded as PPM 146517[19].
  • HD 21018's catalog code is recorded as SAO 111161[20].
  • HD 21018's catalog code is recorded as SRS 5042[21].
  • HD 21018's catalog code is recorded as TD1 2143[22].
  • HD 21018's catalog code is recorded as UBV 3276[23].
  • HD 21018's catalog code is recorded as uvby98 100021018[24].
  • HD 21018's catalog code is recorded as YZ 4 977[25].
  • HD 21018's catalog code is recorded as ADS 2509 A[26].

Body

Designation and Status

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

History and Context

Catalog codes include 2MASS J03233899+0452556[7], AG+04 344[8], BD+04 532[9], GC 4045[10], GCRV 1872[11], and GSC 00060-00524[12].

References

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

Direct Wikidata claims

  1. [2] . SIMBAD. wikidata.org.
  2. [3] . SB9: The ninth catalogue of spectroscopic binary orbits. wikidata.org.
  3. [4] . SIMBAD. wikidata.org.
  4. [5] . VizieR. vizier.u-strasbg.fr. Provenance: wikidata.org.
  5. [6] . The Perkins catalog of revised MK types for the cooler stars. 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] . SIMBAD. wikidata.org.
  25. [26] . SIMBAD. 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 21018. Retrieved May 3, 2026, from https://4ort.xyz/entity/hd-21018
MLA “HD 21018.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/hd-21018.
BibTeX @misc{4ortxyz_hd-21018_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{HD 21018}}, year = {2026}, url = {https://4ort.xyz/entity/hd-21018}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): HD 21018 — https://4ort.xyz/entity/hd-21018 (retrieved 2026-05-03)

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