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Q81754557

RR Lyrae variable star in the constellation Hercules
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Q81754557

Summary

Q81754557 is a RR Lyrae variable[1].

Key Facts

  • Q81754557's instance of is recorded as RR Lyrae variable[2].
  • Q81754557's constellation is recorded as Hercules[3].
  • Q81754557's spectral class is recorded as sdA[4].
  • Q81754557's catalog code is recorded as [SHM2017] J248.31282+32.82400[5].
  • Q81754557's catalog code is recorded as SDSS J163315.08+324926.2[6].
  • Q81754557's catalog code is recorded as Gaia DR2 1324961676688539392[7].
  • Q81754557's type of variable star is recorded as RR Lyrae variable with asymmetric light curves[8].
  • Q81754557's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.9704'}[9].
  • Q81754557's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.518'}[10].
  • Q81754557's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.266'}[11].
  • Q81754557's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.996'}[12].
  • Q81754557's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.910'}[13].
  • Q81754557's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.9916'}[14].
  • Q81754557's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+248.31280214593340'}[15].
  • Q81754557's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+32.82397372726030'}[16].
  • Q81754557's epoch is recorded as J2000.0[17].
  • Q81754557's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+7563'}[18].
  • Q81754557's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+420000'}[19].
  • Q81754557's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-0.486'}[20].
  • Q81754557's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-0.681'}[21].

Body

Definition and Type

Q81754557'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] ↑ . New white dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 12. wikidata.org.
  4. [5] ↑ . SIMBAD. wikidata.org.
  5. [6] ↑ . SIMBAD. wikidata.org.
  6. [7] ↑ . SIMBAD. wikidata.org.
  7. [8] ↑ . Machine-learned Identification of RR Lyrae Stars from Sparse, Multi-band Data: The PS1 Sample. wikidata.org.
  8. [9] ↑ . The Pan-STARRS release 1 (PS1) Survey - DR1. wikidata.org.
  9. [10] ↑ . New white dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 12. wikidata.org.
  10. [11] ↑ . New white dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 12. wikidata.org.
  11. [12] ↑ . New white dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 12. wikidata.org.
  12. [13] ↑ . New white dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 12. wikidata.org.
  13. [14] ↑ . Gaia Data Release 2. wikidata.org.
  14. [15] ↑ . Gaia Data Release 2. wikidata.org.
  15. [16] ↑ . Gaia Data Release 2. wikidata.org.
  16. [17] ↑ . Gaia Data Release 2. wikidata.org.
  17. [18] ↑ . New white dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 12. wikidata.org.
  18. [19] ↑ . New white dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 12. wikidata.org.
  19. [20] ↑ . Gaia Data Release 2. wikidata.org.
  20. [21] ↑ . 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). Q81754557. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81754557
MLA “Q81754557.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81754557.
BibTeX @misc{4ortxyz_q81754557_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81754557}}, year = {2026}, url = {https://4ort.xyz/entity/q81754557}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81754557 — https://4ort.xyz/entity/q81754557 (retrieved 2026-05-07)

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