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Q77987563

blue straggler in the constellation Boötes
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Q77987563

Summary

Q77987563 is a blue straggler[1].

Key Facts

  • Q77987563's instance of is recorded as blue straggler[2].
  • Q77987563's constellation is recorded as Boötes[3].
  • Q77987563's spectral class is recorded as sdA[4].
  • Q77987563's catalog code is recorded as SDSS J145532.26+415542.9[5].
  • Q77987563's catalog code is recorded as Gaia DR2 1489241701859408640[6].
  • Q77987563's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.243'}[7].
  • Q77987563's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.393'}[8].
  • Q77987563's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.499'}[9].
  • Q77987563's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.540'}[10].
  • Q77987563's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.554'}[11].
  • Q77987563's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.3208'}[12].
  • Q77987563's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-85.3'}[13].
  • Q77987563's SIMBAD ID is recorded as SDSS J145532.26+415542.9[14].
  • Q77987563's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+223.88439492997710'}[15].
  • Q77987563's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+41.92859840719720'}[16].
  • Q77987563's epoch is recorded as J2000.0[17].
  • Q77987563's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+8881'}[18].
  • Q77987563's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+1242000'}[19].
  • Q77987563's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-1.129'}[20].
  • Q77987563's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-2.492'}[21].
  • Q77987563's Gaia ID is recorded as 1489241701859408640[22].

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] ↑ . The SDSS Photometric Catalog, Release 7. wikidata.org.
  7. [8] ↑ . The SDSS Photometric Catalog, Release 7. wikidata.org.
  8. [9] ↑ . The SDSS Photometric Catalog, Release 7. wikidata.org.
  9. [10] ↑ . The SDSS Photometric Catalog, Release 7. wikidata.org.
  10. [11] ↑ . New white dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 12. wikidata.org.
  11. [12] ↑ . Gaia Data Release 2. wikidata.org.
  12. [13] ↑ . 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.
  13. [14] ↑ . 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.
  21. [22] ↑ . 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). Q77987563. Retrieved May 7, 2026, from https://4ort.xyz/entity/q77987563
MLA “Q77987563.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q77987563.
BibTeX @misc{4ortxyz_q77987563_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q77987563}}, year = {2026}, url = {https://4ort.xyz/entity/q77987563}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q77987563 — https://4ort.xyz/entity/q77987563 (retrieved 2026-05-07)

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