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Q77982894

RR Lyrae variable star in the constellation Serpens
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Q77982894

Summary

Q77982894 is a RR Lyrae variable[1].

Key Facts

  • Q77982894's instance of is recorded as RR Lyrae variable[2].
  • Q77982894's constellation is recorded as Serpens[3].
  • Q77982894's catalog code is recorded as [SHM2017] J237.40240+03.31733[4].
  • Q77982894's catalog code is recorded as SDSS J154936.57+031902.3[5].
  • Q77982894's catalog code is recorded as CRTS J154936.5+031902[6].
  • Q77982894's catalog code is recorded as Gaia DR2 4423649399571797504[7].
  • Q77982894's type of variable star is recorded as RR Lyrae variables with nearly symmetric light curves[8].
  • Q77982894's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.023'}[9].
  • Q77982894's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.684'}[10].
  • Q77982894's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.657'}[11].
  • Q77982894's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.683'}[12].
  • Q77982894's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.665'}[13].
  • Q77982894's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.73'}[14].
  • Q77982894's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.8896'}[15].
  • Q77982894's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.2641'}[16].
  • Q77982894's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+33.9'}[17].
  • Q77982894's metallicity is recorded as {'unit': '1', 'amount': '-1.14'}[18].
  • Q77982894's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q11929860', 'amount': '+21.7'}[19].
  • Q77982894's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+237.40237362676160'}[20].
  • Q77982894's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+3.31732229027460'}[21].
  • Q77982894's epoch is recorded as J2000.0[22].
  • Q77982894's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+7774'}[23].
  • Q77982894's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+2500'}[24].
  • Q77982894's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-1.609'}[25].
  • Q77982894's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-1.597'}[26].

Body

Definition and Type

Q77982894'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] ↑ . Machine-learned Identification of RR Lyrae Stars from Sparse, Multi-band Data: The PS1 Sample. wikidata.org.
  8. [9] ↑ . The SDSS Photometric Catalog, Release 8. 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 Catalina surveys periodic variable star catalog. wikidata.org.
  14. [15] ↑ . Gaia Data Release 2. 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] ↑ . Gaia Data Release 2. wikidata.org.
  20. [21] ↑ . Gaia Data Release 2. wikidata.org.
  21. [22] ↑ . Gaia Data Release 2. wikidata.org.
  22. [23] ↑ . 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.
  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] ↑ . 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). Q77982894. Retrieved May 7, 2026, from https://4ort.xyz/entity/q77982894
MLA “Q77982894.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q77982894.
BibTeX @misc{4ortxyz_q77982894_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q77982894}}, year = {2026}, url = {https://4ort.xyz/entity/q77982894}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q77982894 — https://4ort.xyz/entity/q77982894 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q77982894 · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 12w ago · Ghuron · 2026-06-16 view diff on Wikidata ↗
    Apparent magnitude → {'unit': '1', 'amount': '+19.023'}, {'unit': '1', 'amount': '+17.684'}, {'unit': '1', 'amount': '+17.657'} +4
    Surface gravity → {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount
    Wikidata description → RR Lyrae variable star in the constellation Serpens
    Right ascension component of proper motion → {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount
    + 16 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1 */ [[Property:P3083]]: CRTS J154936.5+031902, was ZTF J154936.53+031902.7"
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