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Q87725819

Algol variable in the constellation Ophiuchus
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Q87725819

Summary

Q87725819 is an Algol variable[1].

Key Facts

  • Q87725819's instance of is recorded as Algol variable[2].
  • Q87725819's constellation is recorded as Ophiuchus[3].
  • Q87725819's spectral class is recorded as F9IV-V[4].
  • Q87725819's catalog code is recorded as BD-03 3912[5].
  • Q87725819's catalog code is recorded as GSC 05042-00664[6].
  • Q87725819's catalog code is recorded as PPM 199488[7].
  • Q87725819's catalog code is recorded as TYC 5042-664-1[8].
  • Q87725819's catalog code is recorded as 2MASS J16172165-0406502[9].
  • Q87725819's catalog code is recorded as 1RXS J161721.9-040646[10].
  • Q87725819's catalog code is recorded as ASAS J161721-0406.7[11].
  • Q87725819's catalog code is recorded as Gaia DR1 4356766961947099776[12].
  • Q87725819's catalog code is recorded as Gaia DR2 4356766966244033792[13].
  • Q87725819's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.451'}[14].
  • Q87725819's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.122'}[15].
  • Q87725819's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.001'}[16].
  • Q87725819's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.50'}[17].
  • Q87725819's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.983'}[18].
  • Q87725819's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.911'}[19].
  • Q87725819's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.6832'}[20].
  • Q87725819's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+6.5178'}[21].
  • Q87725819's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+0.24'}[22].
  • Q87725819's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+153.4260'}[23].
  • Q87725819's stellar rotational velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+3.4'}[24].
  • Q87725819's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+244.34024840776140'}[25].
  • Q87725819's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-4.11398500171790'}[26].

Body

Definition and Type

Q87725819's instance of is recorded as Algol 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] ↑ . A spectroscopic survey of the youngest field stars in the solar neighborhood . II. The optically faint sample. 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] ↑ . SIMBAD. wikidata.org.
  10. [11] ↑ . SIMBAD. wikidata.org.
  11. [12] ↑ . SIMBAD. wikidata.org.
  12. [13] ↑ . SIMBAD. wikidata.org.
  13. [14] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  14. [15] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  15. [16] ↑ . VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
  16. [17] ↑ . The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
  17. [18] ↑ . ASAS photometry of ROSAT sources. I. Periodic variable stars coincident with bright sources from the ROSAT All Sky Survey. wikidata.org.
  18. [19] ↑ . ASAS photometry of ROSAT sources. I. Periodic variable stars coincident with bright sources from the ROSAT All Sky Survey. wikidata.org.
  19. [20] ↑ . Gaia Data Release 2. wikidata.org.
  20. [21] ↑ . Gaia Data Release 2. wikidata.org.
  21. [22] ↑ . A spectroscopic survey of the youngest field stars in the solar neighborhood . II. The optically faint sample. wikidata.org.
  22. [23] ↑ . Gaia Data Release 2. wikidata.org.
  23. [24] ↑ . A spectroscopic survey of the youngest field stars in the solar neighborhood . II. The optically faint sample. 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). Q87725819. Retrieved May 7, 2026, from https://4ort.xyz/entity/q87725819
MLA “Q87725819.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q87725819.
BibTeX @misc{4ortxyz_q87725819_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q87725819}}, year = {2026}, url = {https://4ort.xyz/entity/q87725819}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q87725819 — https://4ort.xyz/entity/q87725819 (retrieved 2026-05-07)

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