Q87509404

classical Cepheid variable star in the constellation Cygnus
Thing classical_cepheid_variable Q87509404
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Q87509404

Summary

Q87509404 is a classical Cepheid variable[1].

Key Facts

  • Q87509404's instance of is recorded as classical Cepheid variable[2].
  • Q87509404's constellation is recorded as Cygnus[3].
  • Q87509404's spectral class is recorded as F6[4].
  • Q87509404's catalog code is recorded as HAT 199-21023[5].
  • Q87509404's catalog code is recorded as AN 121.1928[6].
  • Q87509404's catalog code is recorded as CSI+38-20023 1[7].
  • Q87509404's catalog code is recorded as GCRV 12435[8].
  • Q87509404's catalog code is recorded as 2MASS J20040448+3906152[9].
  • Q87509404's catalog code is recorded as KIC 4105414[10].
  • Q87509404's catalog code is recorded as WEB 17524[11].
  • Q87509404's catalog code is recorded as Gaia DR2 2073922579215436288[12].
  • Q87509404's catalog code is recorded as V343 Cyg[13].
  • Q87509404's type of variable star is recorded as classical Cepheid variable[14].
  • Q87509404's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.30'}[15].
  • Q87509404's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.429'}[16].
  • Q87509404's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.541'}[17].
  • Q87509404's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.071'}[18].
  • Q87509404's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.875'}[19].
  • Q87509404's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.0384'}[20].
  • Q87509404's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.0099'}[21].
  • Q87509404's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-93.0'}[22].
  • Q87509404's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+301.01867639620320'}[23].
  • Q87509404's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+39.10422261904170'}[24].
  • Q87509404's epoch is recorded as J2000.0[25].
  • Q87509404's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-3.059'}[26].

Body

Definition and Type

Q87509404's instance of is recorded as classical Cepheid variable[2].

References

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

Direct Wikidata claims

  1. [2] . SIMBAD. wikidata.org.
  2. [3] . wikidata.org.
  3. [4] . SIMBAD. 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] . wikidata.org.
  13. [14] . Gaia Data Release 2. wikidata.org.
  14. [15] . SIMBAD. wikidata.org.
  15. [16] . HAT net Variability Survey in the High Stellar Density "Kepler Field" with Millimagnitude Image Subtraction Photometry. 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] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  19. [20] . Gaia Data Release 2. wikidata.org.
  20. [21] . Gaia Data Release 2. wikidata.org.
  21. [22] . General Catalogue of Stellar Radial Velocities. 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.
  25. [26] . Gaia Data Release 2. 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). Q87509404. Retrieved May 7, 2026, from https://4ort.xyz/entity/q87509404
MLA “Q87509404.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q87509404.
BibTeX @misc{4ortxyz_q87509404_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q87509404}}, year = {2026}, url = {https://4ort.xyz/entity/q87509404}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q87509404 — https://4ort.xyz/entity/q87509404 (retrieved 2026-05-07)

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