K2-231

star in the constellation Sagittarius

Thing star Q55662714

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K2-231

Summary

K2-231 is a star^[1].

Key Facts

K2-231's instance of is recorded as star^[2].
K2-231's instance of is recorded as near-infrared source^[3].
K2-231's constellation is recorded as Sagittarius^[4].
K2-231 is part of Ruprecht 147^[5].
K2-231's child astronomical body is recorded as Q87951339^[6].
K2-231's catalog code is recorded as 2MASS J19162203-1546159^[7].
K2-231's catalog code is recorded as Gaia DR2 4184182737768311296^[8].
K2-231's catalog code is recorded as Gaia DR3 4184182737768311296^[9].
K2-231's catalog code is recorded as TIC 130538732^[10].
K2-231's catalog code is recorded as K2-231^[11].
K2-231's catalog code is recorded as EPIC 219800881^[12].
K2-231's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.294'}^[13].
K2-231's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.004'}^[14].
K2-231's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.859'}^[15].
K2-231's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.02'}^[16].
K2-231's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.26'}^[17].
K2-231's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.7'}^[18].
K2-231's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.550571'}^[19].
K2-231's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.376'}^[20].
K2-231's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.603'}^[21].
K2-231's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q180892', 'amount': '+1.01'}^[22].
K2-231's radius is recorded as {'unit': 'http://www.wikidata.org/entity/Q48440', 'amount': '+0.95'}^[23].
K2-231's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.1896'}^[24].
K2-231's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+42.18'}^[25].
K2-231's metallicity is recorded as {'unit': '1', 'amount': '+0.157'}^[26].

Body

Definition and Type

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

Use and Application

K2-231 is part of Ruprecht 147^[5].

⭐ Popularity Graph

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Quick Facts

Instance of star, near-infrared source

Part of Ruprecht 147

Properties

Age estimated by a dating method unit: www.wikidata.org, amount: +3

Apparent magnitude unit: 1, amount: +11.294, unit: 1, amount: +11.004, unit: 1, amount: +10.859, unit: 1, amount: +13.02, unit: 1, amount: +12.26, unit: 1, amount: +12.7, unit: 1, amount: +12.550571, unit: 1, amount: +12.376, unit: 1, amount: +14.603

Catalog code 2MASS J19162203-1546159, Gaia DR2 4184182737768311296, Gaia DR3 4184182737768311296, TIC 130538732, K2-231, EPIC 219800881

Child astronomical body Q87951339

Constellation Sagittarius

Declination unit: www.wikidata.org, amount: -15.77110561221

Declination component of proper motion unit: www.wikidata.org, amount: -26.078

Distance from earth unit: www.wikidata.org, amount: +313.519

Effective temperature unit: www.wikidata.org, amount: +5662

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Mass unit: www.wikidata.org, amount: +1.01

Metallicity unit: 1, amount: +0.157

Parallax unit: www.wikidata.org, amount: +3.1896

Radial velocity unit: www.wikidata.org, amount: +42.18

Radius unit: www.wikidata.org, amount: +0.95

Right ascension unit: www.wikidata.org, amount: +289.09182878389

Right ascension component of proper motion unit: www.wikidata.org, amount: -1.021

Stellar rotational velocity unit: www.wikidata.org, amount: +2.957

Surface gravity unit: www.wikidata.org, amount: +28000

External References (4)

Gaia id 4184182737768311296

Google knowledge graph id /g/11hd9z3t_c

Nasa exoplanet archive id K2-231

Simbad id K2-231

References

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

Direct Wikidata claims

[2] ↑ Q55662714 — instance of (P31): star. SIMBAD. wikidata.org.
[3] ↑ Q55662714 — instance of (P31): near-infrared source. SIMBAD. wikidata.org.
[4] ↑ Q55662714 — constellation (P59): Sagittarius. wikidata.org.
[5] ↑ Q55662714 — part of (P361): Ruprecht 147. SIMBAD. wikidata.org.
[6] ↑ Q55662714 — child astronomical body (P398): Q87951339. wikidata.org.
[7] ↑ Q55662714 — catalog code (P528): 2MASS J19162203-1546159. SIMBAD. wikidata.org.
[8] ↑ Q55662714 — catalog code (P528): Gaia DR2 4184182737768311296. SIMBAD. wikidata.org.
[9] ↑ Q55662714 — catalog code (P528): Gaia DR3 4184182737768311296. SIMBAD. wikidata.org.
[10] ↑ Q55662714 — catalog code (P528): TIC 130538732. SIMBAD. wikidata.org.
[11] ↑ Q55662714 — catalog code (P528): K2-231. Extrasolar Planets Encyclopaedia. wikidata.org.
[12] ↑ Q55662714 — catalog code (P528): EPIC 219800881. Extrasolar Planets Encyclopaedia. wikidata.org.
[13] ↑ Q55662714 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.294'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q55662714 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.004'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q55662714 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.859'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q55662714 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.02'}. Ruprecht 147: the oldest nearby open cluster as a new benchmark for stellar astrophysics. wikidata.org.
[17] ↑ Q55662714 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.26'}. Ruprecht 147: the oldest nearby open cluster as a new benchmark for stellar astrophysics. wikidata.org.
[18] ↑ Q55662714 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.7'}. Extrasolar Planets Encyclopaedia. wikidata.org.
[19] ↑ Q55662714 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.550571'}. Gaia Early Data Release 3. wikidata.org.
[20] ↑ Q55662714 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.376'}. The Pan-STARRS release 1 (PS1) Survey - DR1. wikidata.org.
[21] ↑ Q55662714 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.603'}. The Pan-STARRS release 1 (PS1) Survey - DR1. wikidata.org.
[22] ↑ Q55662714 — mass (P2067): {'unit': 'http://www.wikidata.org/entity/Q180892', 'amount': '+1.01'}. K2-231 b: A Sub-Neptune Exoplanet Transiting a Solar Twin in Ruprecht 147. wikidata.org.
[23] ↑ Q55662714 — radius (P2120): {'unit': 'http://www.wikidata.org/entity/Q48440', 'amount': '+0.95'}. K2-231 b: A Sub-Neptune Exoplanet Transiting a Solar Twin in Ruprecht 147. wikidata.org.
[24] ↑ Q55662714 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.1896'}. Gaia Early Data Release 3. wikidata.org.
[25] ↑ Q55662714 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+42.18'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q55662714 — metallicity (P2227): {'unit': '1', 'amount': '+0.157'}. Q120834159. wikidata.org.

Class ancestry

[1] ↑ Q55662714 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). K2-231. Retrieved May 7, 2026, from https://4ort.xyz/entity/q55662714

MLA “K2-231.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q55662714.

BibTeX

@misc{4ortxyz_q55662714_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{K2-231}}, year = {2026}, url = {https://4ort.xyz/entity/q55662714}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): K2-231 — https://4ort.xyz/entity/q55662714 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q55662714 · Last refreshed: May 7, 2026