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Q77984524

RR Lyrae variable star in the constellation Corona Borealis
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Q77984524

Summary

Q77984524 is a RR Lyrae variable[1].

Key Facts

  • Q77984524's instance of is recorded as RR Lyrae variable[2].
  • Q77984524's constellation is recorded as Corona Borealis[3].
  • Q77984524's catalog code is recorded as SDSS J155732.29+323908.4[4].
  • Q77984524's catalog code is recorded as 2MASS J15573223+3239080[5].
  • Q77984524's catalog code is recorded as LINEAR 15825893[6].
  • Q77984524's catalog code is recorded as CRTS J155732.3+323908[7].
  • Q77984524's catalog code is recorded as Gaia DR2 1323291110505349632[8].
  • Q77984524's type of variable star is recorded as RR Lyrae variable[9].
  • Q77984524's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.890'}[10].
  • Q77984524's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.598'}[11].
  • Q77984524's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.607'}[12].
  • Q77984524's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.613'}[13].
  • Q77984524's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.616'}[14].
  • Q77984524's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.815'}[15].
  • Q77984524's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.376'}[16].
  • Q77984524's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.55'}[17].
  • Q77984524's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.5180'}[18].
  • Q77984524's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-98.1'}[19].
  • Q77984524's metallicity is recorded as {'unit': '1', 'amount': '-1.83'}[20].
  • Q77984524's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q11929860', 'amount': '+23.63'}[21].
  • Q77984524's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+239.38454684782230'}[22].
  • Q77984524's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+32.65234113650930'}[23].
  • Q77984524's epoch is recorded as J2000.0[24].
  • Q77984524's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+7296'}[25].
  • Q77984524's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+460'}[26].

Body

Definition and Type

Q77984524's instance of is recorded as RR Lyrae 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] ↑ . Newly discovered RR Lyrae stars in the SDSS-Pan-STARRS1-Catalina footprint. wikidata.org.
  9. [10] ↑ . The SDSS Photometric Catalog, Release 8. wikidata.org.
  10. [11] ↑ . The SDSS Photometric Catalog, Release 8. wikidata.org.
  11. [12] ↑ . The SDSS Photometric Catalog, Release 8. wikidata.org.
  12. [13] ↑ . The SDSS Photometric Catalog, Release 8. wikidata.org.
  13. [14] ↑ . The SDSS Photometric Catalog, Release 8. wikidata.org.
  14. [15] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  15. [16] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  16. [17] ↑ . The Catalina surveys periodic variable star catalog. wikidata.org.
  17. [18] ↑ . Gaia Data Release 2. wikidata.org.
  18. [19] ↑ . Quantifying kinematic substructure in the Milky Way's stellar halo. wikidata.org.
  19. [20] ↑ . The Milky Way's circular velocity curve to 60 kpc and an estimate of the dark matter halo mass from the kinematics of ~2400 SDSS blue horizontal-branch stars. wikidata.org.
  20. [21] ↑ . Exploring the variable sky with LINEAR. II. Halo structure and substructure traced by RR Lyrae stars to 30 kpc. wikidata.org.
  21. [22] ↑ . Gaia Data Release 2. wikidata.org.
  22. [23] ↑ . Gaia Data Release 2. wikidata.org.
  23. [24] ↑ . Gaia Data Release 2. wikidata.org.
  24. [25] ↑ . The Milky Way's circular velocity curve to 60 kpc and an estimate of the dark matter halo mass from the kinematics of ~2400 SDSS blue horizontal-branch stars. wikidata.org.
  25. [26] ↑ . The Milky Way's circular velocity curve to 60 kpc and an estimate of the dark matter halo mass from the kinematics of ~2400 SDSS blue horizontal-branch 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). Q77984524. Retrieved May 7, 2026, from https://4ort.xyz/entity/q77984524
MLA “Q77984524.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q77984524.
BibTeX @misc{4ortxyz_q77984524_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q77984524}}, year = {2026}, url = {https://4ort.xyz/entity/q77984524}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q77984524 — https://4ort.xyz/entity/q77984524 (retrieved 2026-05-07)

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