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Q77631868

RR Lyrae variable star in the constellation Cetus
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Q77631868

Summary

Q77631868 is a RR Lyrae variable[1].

Key Facts

  • Q77631868's instance of is recorded as RR Lyrae variable[2].
  • Q77631868's constellation is recorded as Cetus[3].
  • Q77631868's catalog code is recorded as [SHM2017] J039.88468+00.44720[4].
  • Q77631868's catalog code is recorded as SDSS J023932.32+002649.9[5].
  • Q77631868's catalog code is recorded as SDSS J023932.33+002650.0[6].
  • Q77631868's catalog code is recorded as [SIG2010] 1986301[7].
  • Q77631868's catalog code is recorded as Gaia DR2 2501787697954235648[8].
  • Q77631868's type of variable star is recorded as RR Lyrae variables with nearly symmetric light curves[9].
  • Q77631868's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.44'}[10].
  • Q77631868's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.137'}[11].
  • Q77631868's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.230'}[12].
  • Q77631868's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.140'}[13].
  • Q77631868's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.164'}[14].
  • Q77631868's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.213'}[15].
  • Q77631868's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.2537'}[16].
  • Q77631868's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-145.1'}[17].
  • Q77631868's metallicity is recorded as {'unit': '1', 'amount': '-2.04'}[18].
  • Q77631868's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q11929860', 'amount': '+30.9'}[19].
  • Q77631868's SIMBAD ID is recorded as ZTF J023932.31+002650.0[20].
  • Q77631868's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+39.88468716013300'}[21].
  • Q77631868's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.44722236615170'}[22].
  • Q77631868's epoch is recorded as J2000.0[23].
  • Q77631868's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+7599'}[24].
  • Q77631868's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+410'}[25].
  • Q77631868's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-1.164'}[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] ↑ . Machine-learned Identification of RR Lyrae Stars from Sparse, Multi-band Data: The PS1 Sample. wikidata.org.
  9. [10] ↑ . The SDSS Photometric Catalog, Release 7. wikidata.org.
  10. [11] ↑ . The SDSS Photometric Catalog, Release 7. wikidata.org.
  11. [12] ↑ . The SDSS Photometric Catalog, Release 7. wikidata.org.
  12. [13] ↑ . Light curve templates and Galactic distribution of RR Lyrae stars from Sloan Digital Sky Survey stripe 82. wikidata.org.
  13. [14] ↑ . The SDSS Photometric Catalog, Release 8. wikidata.org.
  14. [15] ↑ . The SDSS Photometric Catalog, Release 8. wikidata.org.
  15. [16] ↑ . Gaia Data Release 2. wikidata.org.
  16. [17] ↑ . Quantifying kinematic substructure in the Milky Way's stellar halo. wikidata.org.
  17. [18] ↑ . 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.
  18. [19] ↑ . Quantifying kinematic substructure in the Milky Way's stellar halo. wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . Gaia Data Release 2. wikidata.org.
  21. [22] ↑ . Gaia Data Release 2. wikidata.org.
  22. [23] ↑ . Gaia Data Release 2. wikidata.org.
  23. [24] ↑ . 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.
  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] ↑ . Gaia Data Release 2. 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). Q77631868. Retrieved May 7, 2026, from https://4ort.xyz/entity/q77631868
MLA “Q77631868.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q77631868.
BibTeX @misc{4ortxyz_q77631868_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q77631868}}, year = {2026}, url = {https://4ort.xyz/entity/q77631868}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q77631868 — https://4ort.xyz/entity/q77631868 (retrieved 2026-05-07)

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