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Q77987807

RR Lyrae variable star in the constellation Boötes
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Q77987807

Summary

Q77987807 is a RR Lyrae variable[1].

Key Facts

  • Q77987807's instance of is recorded as RR Lyrae variable[2].
  • Q77987807's constellation is recorded as Boötes[3].
  • Q77987807's catalog code is recorded as [SHM2017] J220.09315+51.69218[4].
  • Q77987807's catalog code is recorded as SDSS J144022.35+514131.8[5].
  • Q77987807's catalog code is recorded as 2MASS J14402228+5141319[6].
  • Q77987807's catalog code is recorded as LINEAR 12619667[7].
  • Q77987807's catalog code is recorded as CRTS J144022.3+514132[8].
  • Q77987807's catalog code is recorded as Gaia DR2 1604279484601057920[9].
  • Q77987807's type of variable star is recorded as RR Lyrae variables with nearly symmetric light curves[10].
  • Q77987807's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.8860'}[11].
  • Q77987807's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.8774'}[12].
  • Q77987807's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.879'}[13].
  • Q77987807's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.685'}[14].
  • Q77987807's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.683'}[15].
  • Q77987807's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.201'}[16].
  • Q77987807's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.885'}[17].
  • Q77987807's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.77'}[18].
  • Q77987807's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.7390'}[19].
  • Q77987807's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.0220'}[20].
  • Q77987807's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-128.5'}[21].
  • Q77987807's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q11929860', 'amount': '+16.08'}[22].
  • Q77987807's SIMBAD ID is recorded as LINEAR 12619667[23].
  • Q77987807's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+220.09316018568580'}[24].
  • Q77987807's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+51.69217243952900'}[25].
  • Q77987807's epoch is recorded as J2000.0[26].

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] ↑ . Machine-learned Identification of RR Lyrae Stars from Sparse, Multi-band Data: The PS1 Sample. wikidata.org.
  10. [11] ↑ . The Pan-STARRS release 1 (PS1) Survey - DR1. wikidata.org.
  11. [12] ↑ . The Pan-STARRS release 1 (PS1) Survey - DR1. wikidata.org.
  12. [13] ↑ . The SDSS Photometric Catalog, Release 7. wikidata.org.
  13. [14] ↑ . The SDSS Photometric Catalog, Release 7. wikidata.org.
  14. [15] ↑ . The SDSS Photometric Catalog, Release 7. wikidata.org.
  15. [16] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  16. [17] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  17. [18] ↑ . The Catalina surveys periodic variable star catalog. wikidata.org.
  18. [19] ↑ . Gaia Data Release 2. wikidata.org.
  19. [20] ↑ . Gaia Data Release 2. wikidata.org.
  20. [21] ↑ . 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.
  21. [22] ↑ . Exploring the variable sky with LINEAR. II. Halo structure and substructure traced by RR Lyrae stars to 30 kpc. wikidata.org.
  22. [23] ↑ . 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). Q77987807. Retrieved May 7, 2026, from https://4ort.xyz/entity/q77987807
MLA “Q77987807.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q77987807.
BibTeX @misc{4ortxyz_q77987807_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q77987807}}, year = {2026}, url = {https://4ort.xyz/entity/q77987807}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q77987807 — https://4ort.xyz/entity/q77987807 (retrieved 2026-05-07)

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