K2-57

star in the constellation Aquarius

Thing star Q88900498

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K2-57

Summary

K2-57 is a star^[1].

Key Facts

K2-57's instance of is recorded as star^[2].
K2-57's instance of is recorded as near-infrared source^[3].
K2-57's constellation is recorded as Aquarius^[4].
K2-57's spectral class is recorded as K5V^[5].
K2-57's child astronomical body is recorded as Q77849827^[6].
K2-57's catalog code is recorded as 2MASS J22504600-1404116^[7].
K2-57's catalog code is recorded as Gaia DR2 2603155390066307456^[8].
K2-57's catalog code is recorded as TIC 146799150^[9].
K2-57's catalog code is recorded as Gaia DR3 2603155390066307456^[10].
K2-57's catalog code is recorded as K2-57^[11].
K2-57's catalog code is recorded as EPIC 206026136^[12].
K2-57's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.645'}^[13].
K2-57's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.761'}^[14].
K2-57's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.350'}^[15].
K2-57's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.089346'}^[16].
K2-57's luminosity is recorded as {'unit': 'http://www.wikidata.org/entity/Q843877', 'amount': '+0.14774321'}^[17].
K2-57's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q180892', 'amount': '+0.68'}^[18].
K2-57's radius is recorded as {'unit': 'http://www.wikidata.org/entity/Q48440', 'amount': '+0.5993944'}^[19].
K2-57's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.7749'}^[20].
K2-57's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-8.09'}^[21].
K2-57's metallicity is recorded as {'unit': '1', 'amount': '-0.11'}^[22].
K2-57's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+264.908'}^[23].
K2-57's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+342.69171618968994'}^[24].
K2-57's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-14.06989178847'}^[25].
K2-57's epoch is recorded as J2000.0^[26].

Body

Definition and Type

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

⭐ Popularity Graph

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Quick Facts

Instance of star, near-infrared source

Properties

Apparent magnitude unit: 1, amount: +11.645, unit: 1, amount: +11.761, unit: 1, amount: +12.350, unit: 1, amount: +14.089346

Catalog code 2MASS J22504600-1404116, Gaia DR2 2603155390066307456, TIC 146799150, Gaia DR3 2603155390066307456, K2-57, EPIC 206026136

Child astronomical body Q77849827

Constellation Aquarius

Declination unit: www.wikidata.org, amount: -14.06989178847

Declination component of proper motion unit: www.wikidata.org, amount: -25.298

Distance from earth unit: www.wikidata.org, amount: +264.908

Effective temperature unit: www.wikidata.org, amount: +4547

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Luminosity unit: www.wikidata.org, amount: +0.14774321

Mass unit: www.wikidata.org, amount: +0.68

Metallicity unit: 1, amount: -0.11

Parallax unit: www.wikidata.org, amount: +3.7749

Radial velocity unit: www.wikidata.org, amount: -8.09

Radius unit: www.wikidata.org, amount: +0.5993944

Right ascension unit: www.wikidata.org, amount: +342.69171618968994

Right ascension component of proper motion unit: www.wikidata.org, amount: +24.311

Spectral class K5V

Surface gravity unit: www.wikidata.org, amount: +38000

External References (4)

Gaia id 2603155390066307456

Google knowledge graph id /g/11lghp7_lk

Nasa exoplanet archive id K2-57

Simbad id K2-57

References

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

Direct Wikidata claims

[2] ↑ Q88900498 — instance of (P31): star. SIMBAD. wikidata.org.
[3] ↑ Q88900498 — instance of (P31): near-infrared source. SIMBAD. wikidata.org.
[4] ↑ Q88900498 — constellation (P59): Aquarius. wikidata.org.
[5] ↑ Q88900498 — spectral class (P215): K5V. Characterizing K2 Candidate Planetary Systems Orbiting Low-mass Stars. IV. Updated Properties for 86 Cool Dwarfs Observed during Campaigns 1-17. wikidata.org.
[6] ↑ Q88900498 — child astronomical body (P398): Q77849827. wikidata.org.
[7] ↑ Q88900498 — catalog code (P528): 2MASS J22504600-1404116. SIMBAD. wikidata.org.
[8] ↑ Q88900498 — catalog code (P528): Gaia DR2 2603155390066307456. SIMBAD. wikidata.org.
[9] ↑ Q88900498 — catalog code (P528): TIC 146799150. SIMBAD. wikidata.org.
[10] ↑ Q88900498 — catalog code (P528): Gaia DR3 2603155390066307456. SIMBAD. wikidata.org.
[11] ↑ Q88900498 — catalog code (P528): K2-57. Extrasolar Planets Encyclopaedia. wikidata.org.
[12] ↑ Q88900498 — catalog code (P528): EPIC 206026136. Extrasolar Planets Encyclopaedia. wikidata.org.
[13] ↑ Q88900498 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.645'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q88900498 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.761'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q88900498 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.350'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q88900498 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.089346'}. Gaia Early Data Release 3. wikidata.org.
[17] ↑ Q88900498 — luminosity (P2060): {'unit': 'http://www.wikidata.org/entity/Q843877', 'amount': '+0.14774321'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q88900498 — mass (P2067): {'unit': 'http://www.wikidata.org/entity/Q180892', 'amount': '+0.68'}. Extrasolar Planets Encyclopaedia. wikidata.org.
[19] ↑ Q88900498 — radius (P2120): {'unit': 'http://www.wikidata.org/entity/Q48440', 'amount': '+0.5993944'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q88900498 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.7749'}. Gaia Early Data Release 3. wikidata.org.
[21] ↑ Q88900498 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-8.09'}. Q120834159. wikidata.org.
[22] ↑ Q88900498 — metallicity (P2227): {'unit': '1', 'amount': '-0.11'}. SIMBAD. wikidata.org.
[23] ↑ Q88900498 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+264.908'}. Gaia Early Data Release 3. wikidata.org.
[24] ↑ Q88900498 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+342.69171618968994'}. Gaia Early Data Release 3. wikidata.org.
[25] ↑ Q88900498 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-14.06989178847'}. Gaia Early Data Release 3. wikidata.org.
[26] ↑ Q88900498 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q88900498 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). K2-57. Retrieved May 7, 2026, from https://4ort.xyz/entity/q88900498

MLA “K2-57.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q88900498.

BibTeX

@misc{4ortxyz_q88900498_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{K2-57}}, year = {2026}, url = {https://4ort.xyz/entity/q88900498}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): K2-57 — https://4ort.xyz/entity/q88900498 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q88900498 · Last refreshed: May 7, 2026