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HAT-P-4 b

extrasolar planet orbiting the star HAT-P-4
Place exoplanet Q716550
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HAT-P-4 b

Summary

HAT-P-4 b is an exoplanet[1]. It draws 4 Wikipedia views per month (exoplanet category, ranking #95 of 578).[2]

Key Facts

  • HAT-P-4 b's image is recorded as HAT-P-4-transit.jpg[3].
  • HAT-P-4 b's instance of is recorded as exoplanet[4].
  • HAT-P-4 b's constellation is recorded as Boötes[5].
  • HAT-P-4 b's Commons category is recorded as HAT-P-4 b[6].
  • HAT-P-4 b's parent astronomical body is recorded as HAT-P-4[7].
  • HAT-P-4 b's catalog code is recorded as HAT-P-4b[8].
  • HAT-P-4 b's catalog code is recorded as BD+36 2593b[9].
  • HAT-P-4 b's catalog code is recorded as TOI-2012.01[10].
  • HAT-P-4 b's catalog code is recorded as TIC 138294130b[11].
  • HAT-P-4 b's time of discovery or invention is recorded as +2007-10-02T00:00:00Z[12].
  • HAT-P-4 b's time of discovery or invention is recorded as +2007-11-00T00:00:00Z[13].
  • HAT-P-4 b's Freebase ID is recorded as /m/03c9vzs[14].
  • HAT-P-4 b's discovery method is recorded as transit method[15].
  • HAT-P-4 b's orbital eccentricity is recorded as {'amount': '+0.084'}[16].
  • HAT-P-4 b's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+89.91'}[17].
  • HAT-P-4 b's M sin i is recorded as {'unit': 'Q651336', 'amount': '+0.655'}[18].
  • HAT-P-4 b's mass is recorded as {'unit': 'Q651336', 'amount': '+0.651'}[19].
  • HAT-P-4 b's radius is recorded as {'unit': 'Q3421309', 'amount': '+1.274'}[20].
  • HAT-P-4 b's orbital period is recorded as {'unit': 'Q573', 'amount': '+3.05652301'}[21].
  • HAT-P-4 b's angular distance is recorded as {'unit': 'Q829073', 'amount': '+0.000144'}[22].
  • HAT-P-4 b's parallax is recorded as {'unit': 'Q21500224', 'amount': '+3.0919'}[23].
  • HAT-P-4 b's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+0.0445'}[24].
  • HAT-P-4 b's argument of periapsis is recorded as {'unit': 'Q28390', 'amount': '+97.4'}[25].
  • HAT-P-4 b's SIMBAD ID is recorded as BD+36 2593b[26].
  • HAT-P-4 b's Wolfram Language entity code is recorded as Entity["Exoplanet", "HATP4b"][27].

Body

Designation and Status

HAT-P-4 b's instance of is recorded as exoplanet[4].

History and Context

Catalog codes include HAT-P-4b[8], BD+36 2593b[9], TOI-2012.01[10], and TIC 138294130b[11].

Why It Matters

HAT-P-4 b draws 4 Wikipedia views per month (exoplanet category, ranking #95 of 578).[2] It has Wikipedia articles in 12 language editions, a strong signal of global cultural recognition.[28] It is known by 6 alternative names across languages and contexts.[29]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . SIMBAD. wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . SIMBAD. wikidata.org.
  6. [8] ↑ . SIMBAD. wikidata.org.
  7. [9] ↑ . SIMBAD. wikidata.org.
  8. [10] ↑ . Exoplanet Archive. wikidata.org.
  9. [11] ↑ . Exoplanet Archive. wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . HAT-P-4b: A Metal-rich Low-Density Transiting Hot Jupiter. wikidata.org.
  12. [14] ↑ . Freebase Data Dumps. wikidata.org.
  13. [15] ↑ . HAT-P-4b: A Metal-rich Low-Density Transiting Hot Jupiter. wikidata.org.
  14. [16] ↑ . Radial Velocities from the N2K Project: Six New Cold Gas Giant Planets Orbiting HD 55696, HD 98736, HD 148164, HD 203473, and HD 211810. wikidata.org.
  15. [17] ↑ . Improved Parameters for Extrasolar Transiting Planets. wikidata.org.
  16. [18] ↑ . Radial Velocities from the N2K Project: Six New Cold Gas Giant Planets Orbiting HD 55696, HD 98736, HD 148164, HD 203473, and HD 211810. wikidata.org.
  17. [19] ↑ . The GAPS Programme with HARPS-N at TNG. XIV. Investigating giant planet migration history via improved eccentricity and mass determination for 231 transiting planets. wikidata.org.
  18. [20] ↑ . Improved Parameters for Extrasolar Transiting Planets. wikidata.org.
  19. [21] ↑ . ExoClock Project. III. 450 New Exoplanet Ephemerides from Ground and Space Observations. wikidata.org.
  20. [22] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  21. [23] ↑ . Gaia Data Release 2. wikidata.org.
  22. [24] ↑ . Radial Velocities from the N2K Project: Six New Cold Gas Giant Planets Orbiting HD 55696, HD 98736, HD 148164, HD 203473, and HD 211810. wikidata.org.
  23. [25] ↑ . Radial Velocities from the N2K Project: Six New Cold Gas Giant Planets Orbiting HD 55696, HD 98736, HD 148164, HD 203473, and HD 211810. wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] ↑ . Wikidata sitelinks. wikidata.org.
  3. [29] ↑ . Wikidata aliases. 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). HAT-P-4 b. Retrieved May 3, 2026, from https://4ort.xyz/entity/hat-p-4-b
MLA “HAT-P-4 b.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/hat-p-4-b.
BibTeX @misc{4ortxyz_hat-p-4-b_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{HAT-P-4 b}}, year = {2026}, url = {https://4ort.xyz/entity/hat-p-4-b}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): HAT-P-4 b — https://4ort.xyz/entity/hat-p-4-b (retrieved 2026-05-03)

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