Q84190221

rotating variable star in the constellation Cygnus
Thing rotating_variable_star Q84190221
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Q84190221

Summary

Q84190221 is a rotating variable star[1].

Key Facts

  • Q84190221's instance of is recorded as rotating variable star[2].
  • Q84190221's constellation is recorded as Cygnus[3].
  • Q84190221's spectral class is recorded as G4V[4].
  • Q84190221's catalog code is recorded as KIC 5374789[5].
  • Q84190221's catalog code is recorded as 2MASS J19404814+4031473[6].
  • Q84190221's catalog code is recorded as [HGM2009b] WOCS 010042[7].
  • Q84190221's catalog code is recorded as Gaia DR2 2076600027448697728[8].
  • Q84190221's type of variable star is recorded as rotating variable star[9].
  • Q84190221's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.815'}[10].
  • Q84190221's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.539'}[11].
  • Q84190221's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.511'}[12].
  • Q84190221's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.99'}[13].
  • Q84190221's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.29'}[14].
  • Q84190221's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.9068'}[15].
  • Q84190221's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.0682'}[16].
  • Q84190221's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-3.2'}[17].
  • Q84190221's metallicity is recorded as {'unit': '1', 'amount': '-0.13'}[18].
  • Q84190221's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+483.5122'}[19].
  • Q84190221's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+295.20057069336460'}[20].
  • Q84190221's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+40.52982615323110'}[21].
  • Q84190221's epoch is recorded as J2000.0[22].
  • Q84190221's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+5895'}[23].
  • Q84190221's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+18000'}[24].
  • Q84190221's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+0.333'}[25].
  • Q84190221's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+2.993'}[26].

Body

Definition and Type

Q84190221's instance of is recorded as rotating variable star[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] . Activity indicators and stellar parameters of the Kepler targets. An application of the ROTFIT pipeline to LAMOST-Kepler stellar spectra.. wikidata.org.
  4. [5] . SIMBAD. wikidata.org.
  5. [6] . SIMBAD. wikidata.org.
  6. [7] . SIMBAD. wikidata.org.
  7. [8] . SIMBAD. wikidata.org.
  8. [9] . Rotation periods of 12000 main-sequence Kepler stars: dependence on stellar spectral type and comparison with v sin i observations. wikidata.org.
  9. [10] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  10. [11] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  11. [12] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  12. [13] . WIYN open cluster study. LX. Spectroscopic binary orbits in NGC 6819. wikidata.org.
  13. [14] . WIYN open cluster study. LX. Spectroscopic binary orbits in NGC 6819. wikidata.org.
  14. [15] . Gaia Data Release 2. wikidata.org.
  15. [16] . Gaia Data Release 2. wikidata.org.
  16. [17] . Activity indicators and stellar parameters of the Kepler targets. An application of the ROTFIT pipeline to LAMOST-Kepler stellar spectra.. wikidata.org.
  17. [18] . Activity indicators and stellar parameters of the Kepler targets. An application of the ROTFIT pipeline to LAMOST-Kepler stellar spectra.. wikidata.org.
  18. [19] . Gaia Data Release 2. wikidata.org.
  19. [20] . Gaia Data Release 2. wikidata.org.
  20. [21] . Gaia Data Release 2. wikidata.org.
  21. [22] . Gaia Data Release 2. wikidata.org.
  22. [23] . Activity indicators and stellar parameters of the Kepler targets. An application of the ROTFIT pipeline to LAMOST-Kepler stellar spectra.. wikidata.org.
  23. [24] . Activity indicators and stellar parameters of the Kepler targets. An application of the ROTFIT pipeline to LAMOST-Kepler stellar spectra.. 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). Q84190221. Retrieved May 7, 2026, from https://4ort.xyz/entity/q84190221
MLA “Q84190221.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q84190221.
BibTeX @misc{4ortxyz_q84190221_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q84190221}}, year = {2026}, url = {https://4ort.xyz/entity/q84190221}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q84190221 — https://4ort.xyz/entity/q84190221 (retrieved 2026-05-07)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 12w ago · Ghuron · 2026-06-17 view diff on Wikidata ↗
    Spectral class G4V
    Apparent magnitude {'unit': '1', 'amount': '+11.815'}, {'unit': '1', 'amount': '+11.539'}, {'unit': '1', 'amount': '+11.511'} +3
    Surface gravity {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount
    Wikidata description rotating variable star in the constellation Cygnus
    + 17 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1 */ [[Property:P3083]]: 2MASS J19404814+4031473, was [HGM2009b] WOCS 010042"
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