[KDK2008] v20

long period variable
Place irregular_variable Q89224005
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[KDK2008] v20

Summary

[KDK2008] v20 is an irregular variable[1].

Key Facts

  • [KDK2008] v20's instance of is recorded as irregular variable[2].
  • [KDK2008] v20's instance of is recorded as long-period variable star[3].
  • [KDK2008] v20's instance of is recorded as near-infrared source[4].
  • [KDK2008] v20's constellation is recorded as Cygnus[5].
  • [KDK2008] v20's spectral class is recorded as C:[6].
  • [KDK2008] v20's catalog code is recorded as UCAC2 46459794[7].
  • [KDK2008] v20's catalog code is recorded as UCAC4 663-096456[8].
  • [KDK2008] v20's catalog code is recorded as 2MASS J21124525+4225169[9].
  • [KDK2008] v20's catalog code is recorded as Gaia DR2 1969802264023385984[10].
  • [KDK2008] v20's catalog code is recorded as V2589 Cyg[11].
  • [KDK2008] v20's catalog code is recorded as TIC 137191272[12].
  • [KDK2008] v20's catalog code is recorded as Gaia DR3 1969802264023385984[13].
  • [KDK2008] v20's type of variable star is recorded as long-period variable star[14].
  • [KDK2008] v20's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.012'}[15].
  • [KDK2008] v20's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.86'}[16].
  • [KDK2008] v20's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.69'}[17].
  • [KDK2008] v20's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.760'}[18].
  • [KDK2008] v20's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.567'}[19].
  • [KDK2008] v20's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.153'}[20].
  • [KDK2008] v20's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.620021'}[21].
  • [KDK2008] v20's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.1'}[22].
  • [KDK2008] v20's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-54.38'}[23].
  • [KDK2008] v20's SIMBAD ID is recorded as V* V2589 Cyg[24].
  • [KDK2008] v20's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+318.18854704178995'}[25].
  • [KDK2008] v20's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+42.42136617480999'}[26].

Body

Designation and Status

Recorded instance of include irregular variable[2], long-period variable star[3], and near-infrared source[4].

History and Context

Catalog codes include UCAC2 46459794[7], UCAC4 663-096456[8], 2MASS J21124525+4225169[9], Gaia DR2 1969802264023385984[10], V2589 Cyg[11], and TIC 137191272[12].

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] . 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] . SIMBAD. wikidata.org.
  13. [14] . A First Catalog of Variable Stars Measured by the Asteroid Terrestrial-impact Last Alert System (ATLAS). wikidata.org.
  14. [15] . Variable stars in the open cluster NGC 7044. wikidata.org.
  15. [16] . Fourth USNO CCD Astrograph Catalog. wikidata.org.
  16. [17] . Fourth USNO CCD Astrograph Catalog. 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] . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  20. [21] . Gaia Early Data Release 3. wikidata.org.
  21. [22] . Gaia Early Data Release 3. wikidata.org.
  22. [23] . Gaia Data Release 3. wikidata.org.
  23. [24] . wikidata.org.
  24. [25] . Gaia Early Data Release 3. wikidata.org.
  25. [26] . Gaia Early Data Release 3. wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

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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). [KDK2008] v20. Retrieved May 3, 2026, from https://4ort.xyz/entity/-kdk2008-v20
MLA “[KDK2008] v20.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-kdk2008-v20.
BibTeX @misc{4ortxyz_-kdk2008-v20_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{[KDK2008] v20}}, year = {2026}, url = {https://4ort.xyz/entity/-kdk2008-v20}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): [KDK2008] v20 — https://4ort.xyz/entity/-kdk2008-v20 (retrieved 2026-05-03)

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