HAT-P-66

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HAT-P-66

Summary

HAT-P-66 is a star^[1].

Key Facts

HAT-P-66's instance of is recorded as star^[2].
HAT-P-66's instance of is recorded as near-infrared source^[3].
HAT-P-66's constellation is recorded as Ursa Major^[4].
HAT-P-66's spectral class is recorded as F9^[5].
HAT-P-66's child astronomical body is recorded as HAT-P-66 b^[6].
HAT-P-66's catalog code is recorded as GSC 03814-00307^[7].
HAT-P-66's catalog code is recorded as 2MASS J10021743+5357031^[8].
HAT-P-66's catalog code is recorded as TIC 137881699^[9].
HAT-P-66's catalog code is recorded as UCAC4 720-050303^[10].
HAT-P-66's catalog code is recorded as Gaia DR2 852608874351434752^[11].
HAT-P-66's catalog code is recorded as Gaia DR3 852608874351434752^[12].
HAT-P-66's catalog code is recorded as TOI-1781^[13].
HAT-P-66's catalog code is recorded as HAT-P-66^[14].
HAT-P-66's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.878518'}^[15].
HAT-P-66's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.001'}^[16].
HAT-P-66's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.735'}^[17].
HAT-P-66's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.675'}^[18].
HAT-P-66's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.94'}^[19].
HAT-P-66's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.55'}^[20].
HAT-P-66's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.99'}^[21].
HAT-P-66's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.21'}^[22].
HAT-P-66's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.86'}^[23].
HAT-P-66's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.77'}^[24].
HAT-P-66's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.339'}^[25].
HAT-P-66's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q180892', 'amount': '+1.255'}^[26].

Body

Designation and Status

Recorded instance of include star^[2] and near-infrared source^[3].

History and Context

Catalog codes include GSC 03814-00307^[7], 2MASS J10021743+5357031^[8], TIC 137881699^[9], UCAC4 720-050303^[10], Gaia DR2 852608874351434752^[11], and Gaia DR3 852608874351434752^[12].

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Quick Facts

Instance of star, near-infrared source

Properties

Age estimated by a dating method unit: www.wikidata.org, amount: +4.66

Apparent magnitude unit: 1, amount: +12.878518, unit: 1, amount: +12.001, unit: 1, amount: +11.735, unit: 1, amount: +11.675, unit: 1, amount: +12.94, unit: 1, amount: +13.55, unit: 1, amount: +12.99, unit: 1, amount: +13.21, unit: 1, amount: +12.86, unit: 1, amount: +12.77, unit: 1, amount: +12.339

Catalog code GSC 03814-00307, 2MASS J10021743+5357031, TIC 137881699, UCAC4 720-050303, Gaia DR2 852608874351434752, Gaia DR3 852608874351434752, TOI-1781, HAT-P-66

Child astronomical body HAT-P-66 b

Constellation Ursa Major

Declination unit: www.wikidata.org, amount: +53.95088907184000

Declination component of proper motion unit: www.wikidata.org, amount: -15.164

Distance from earth unit: www.wikidata.org, amount: +924.813

Effective temperature unit: www.wikidata.org, amount: +6095

Epoch J2000.0

Imported from wholeness_audit_2026-05-02

Mass unit: www.wikidata.org, amount: +1.255

Metallicity unit: 1, amount: +0.128

Parallax unit: www.wikidata.org, amount: +1.0813

Radial velocity unit: www.wikidata.org, amount: +3.14

Radius unit: www.wikidata.org, amount: +1.881

Right ascension unit: www.wikidata.org, amount: +150.57269487105000

Right ascension component of proper motion unit: www.wikidata.org, amount: -9.384

Spectral class F9

Surface gravity unit: www.wikidata.org, amount: +10420

External References (3)

Gaia id 852608874351434752

Nasa exoplanet archive id HAT-P-66

Simbad id HAT-P-66

🏷️ Also known as

en HAT-P-66

References

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

Direct Wikidata claims

[2] ↑ HAT-P-66 — instance of (P31): star. HAT-P-65b and HAT-P-66b: Two Transiting Inflated Hot Jupiters and Observational Evidence for the Reinflation of Close-in Giant Planets. wikidata.org.
[3] ↑ HAT-P-66 — instance of (P31): near-infrared source. SIMBAD. wikidata.org.
[4] ↑ HAT-P-66 — constellation (P59): Ursa Major. wikidata.org.
[5] ↑ HAT-P-66 — spectral class (P215): F9. Q123237709. wikidata.org.
[6] ↑ HAT-P-66 — child astronomical body (P398): HAT-P-66 b. wikidata.org.
[7] ↑ HAT-P-66 — catalog code (P528): GSC 03814-00307. SIMBAD. wikidata.org.
[8] ↑ HAT-P-66 — catalog code (P528): 2MASS J10021743+5357031. SIMBAD. wikidata.org.
[9] ↑ HAT-P-66 — catalog code (P528): TIC 137881699. SIMBAD. wikidata.org.
[10] ↑ HAT-P-66 — catalog code (P528): UCAC4 720-050303. SIMBAD. wikidata.org.
[11] ↑ HAT-P-66 — catalog code (P528): Gaia DR2 852608874351434752. SIMBAD. wikidata.org.
[12] ↑ HAT-P-66 — catalog code (P528): Gaia DR3 852608874351434752. SIMBAD. wikidata.org.
[13] ↑ HAT-P-66 — catalog code (P528): TOI-1781. SIMBAD. wikidata.org.
[14] ↑ HAT-P-66 — catalog code (P528): HAT-P-66. SIMBAD. wikidata.org.
[15] ↑ HAT-P-66 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.878518'}. Gaia Early Data Release 3. wikidata.org.
[16] ↑ HAT-P-66 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.001'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ HAT-P-66 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.735'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ HAT-P-66 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.675'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[19] ↑ HAT-P-66 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.94'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[20] ↑ HAT-P-66 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.55'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[21] ↑ HAT-P-66 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.99'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[22] ↑ HAT-P-66 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.21'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[23] ↑ HAT-P-66 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.86'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[24] ↑ HAT-P-66 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.77'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[25] ↑ HAT-P-66 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.339'}. HAT-P-65b and HAT-P-66b: Two Transiting Inflated Hot Jupiters and Observational Evidence for the Reinflation of Close-in Giant Planets. wikidata.org.
[26] ↑ HAT-P-66 — mass (P2067): {'unit': 'http://www.wikidata.org/entity/Q180892', 'amount': '+1.255'}. Extrasolar Planets Encyclopaedia. wikidata.org.

Class ancestry

[1] ↑ HAT-P-66 is an instance of star (Q523) [P31, primary]. 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). HAT-P-66. Retrieved May 3, 2026, from https://4ort.xyz/entity/hat-p-66

MLA “HAT-P-66.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/hat-p-66.

BibTeX

@misc{4ortxyz_hat-p-66_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{HAT-P-66}}, year = {2026}, url = {https://4ort.xyz/entity/hat-p-66}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): HAT-P-66 — https://4ort.xyz/entity/hat-p-66 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/hat-p-66 · Last refreshed: May 3, 2026