K2-128

low-mass star in the constellation Virgo

Place low_mass_star Q113715236

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K2-128

Summary

K2-128 is a low-mass star^[1].

Key Facts

K2-128's instance of is recorded as low-mass star^[2].
K2-128's instance of is recorded as near-infrared source^[3].
K2-128's constellation is recorded as Virgo^[4].
K2-128's spectral class is recorded as K4V^[5].
K2-128's child astronomical body is recorded as Q113601091^[6].
K2-128's catalog code is recorded as Gaia DR3 3618386664139093504^[7].
K2-128's catalog code is recorded as TIC 677945^[8].
K2-128's catalog code is recorded as 2MASS J13374504-0835494^[9].
K2-128's catalog code is recorded as UCAC4 408-058573^[10].
K2-128's catalog code is recorded as Gaia DR2 3618386664139093504^[11].
K2-128's catalog code is recorded as K2-128^[12].
K2-128's catalog code is recorded as EPIC 212686205^[13].
K2-128's catalog code is recorded as GALAH 160401003901188^[14].
K2-128's catalog code is recorded as WISEA J133745.03-083549.4^[15].
K2-128's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.208517'}^[16].
K2-128's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.83'}^[17].
K2-128's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.12'}^[18].
K2-128's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.2'}^[19].
K2-128's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.63'}^[20].
K2-128's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.75'}^[21].
K2-128's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.34'}^[22].
K2-128's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.815'}^[23].
K2-128's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.965'}^[24].
K2-128's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.491'}^[25].
K2-128's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q180892', 'amount': '+0.71'}^[26].

Body

Designation and Status

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

History and Context

Catalog codes include Gaia DR3 3618386664139093504^[7], TIC 677945^[8], 2MASS J13374504-0835494^[9], UCAC4 408-058573^[10], Gaia DR2 3618386664139093504^[11], and K2-128^[12].

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Quick Facts

Instance of low-mass star, near-infrared source

Properties

Apparent magnitude unit: 1, amount: +12.208517, unit: 1, amount: +11.83, unit: 1, amount: +12.12, unit: 1, amount: +13.2, unit: 1, amount: +12.63, unit: 1, amount: +13.75, unit: 1, amount: +12.34, unit: 1, amount: +9.815, unit: 1, amount: +9.965, unit: 1, amount: +10.491

Catalog code Gaia DR3 3618386664139093504, TIC 677945, 2MASS J13374504-0835494, UCAC4 408-058573, Gaia DR2 3618386664139093504, K2-128, EPIC 212686205, GALAH 160401003901188, WISEA J133745.03-083549.4

Child astronomical body Q113601091

Constellation Virgo

Declination unit: www.wikidata.org, amount: -8.59706722388000

Declination component of proper motion unit: www.wikidata.org, amount: -4.316

Distance from earth unit: www.wikidata.org, amount: +114.333

Effective temperature unit: www.wikidata.org, amount: +4579

Epoch J2000.0

Imported from wholeness_audit_2026-05-02

Mass unit: www.wikidata.org, amount: +0.71

Metallicity unit: 1, amount: -0.11

Parallax unit: www.wikidata.org, amount: +8.7464

Radial velocity unit: www.wikidata.org, amount: -12.401

Radius unit: www.wikidata.org, amount: +0.78

Right ascension unit: www.wikidata.org, amount: +204.43766016061997

Right ascension component of proper motion unit: www.wikidata.org, amount: +1.485

Spectral class K4V

Stellar rotational velocity unit: www.wikidata.org, amount: +2.3

Surface gravity unit: www.wikidata.org, amount: +45000

External References (3)

Gaia id 3618386664139093504

Nasa exoplanet archive id K2-128

Simbad id K2-128

🏷️ Also known as

en K2-128

References

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

Direct Wikidata claims

[2] ↑ K2-128 — instance of (P31): low-mass star. Characterizing K2 Candidate Planetary Systems Orbiting Low-mass Stars. I. Classifying Low-mass Host Stars Observed during Campaigns 1–7. wikidata.org.
[3] ↑ K2-128 — instance of (P31): near-infrared source. SIMBAD. wikidata.org.
[4] ↑ K2-128 — constellation (P59): Virgo. wikidata.org.
[5] ↑ K2-128 — spectral class (P215): K4V. Characterizing K2 Candidate Planetary Systems Orbiting Low-mass Stars. I. Classifying Low-mass Host Stars Observed during Campaigns 1–7. wikidata.org.
[6] ↑ K2-128 — child astronomical body (P398): Q113601091. wikidata.org.
[7] ↑ K2-128 — catalog code (P528): Gaia DR3 3618386664139093504. SIMBAD. wikidata.org.
[8] ↑ K2-128 — catalog code (P528): TIC 677945. SIMBAD. wikidata.org.
[9] ↑ K2-128 — catalog code (P528): 2MASS J13374504-0835494. SIMBAD. wikidata.org.
[10] ↑ K2-128 — catalog code (P528): UCAC4 408-058573. SIMBAD. wikidata.org.
[11] ↑ K2-128 — catalog code (P528): Gaia DR2 3618386664139093504. SIMBAD. wikidata.org.
[12] ↑ K2-128 — catalog code (P528): K2-128. Extrasolar Planets Encyclopaedia. wikidata.org.
[13] ↑ K2-128 — catalog code (P528): EPIC 212686205. Extrasolar Planets Encyclopaedia. wikidata.org.
[14] ↑ K2-128 — catalog code (P528): GALAH 160401003901188. SIMBAD. wikidata.org.
[15] ↑ K2-128 — catalog code (P528): WISEA J133745.03-083549.4. Gaia Data Release 3. wikidata.org.
[16] ↑ K2-128 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.208517'}. Gaia Early Data Release 3. wikidata.org.
[17] ↑ K2-128 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.83'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[18] ↑ K2-128 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.12'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[19] ↑ K2-128 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.2'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[20] ↑ K2-128 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.63'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[21] ↑ K2-128 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.75'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[22] ↑ K2-128 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.34'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[23] ↑ K2-128 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.815'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[24] ↑ K2-128 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.965'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[25] ↑ K2-128 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.491'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[26] ↑ K2-128 — mass (P2067): {'unit': 'http://www.wikidata.org/entity/Q180892', 'amount': '+0.71'}. Extrasolar Planets Encyclopaedia. wikidata.org.

Class ancestry

[1] ↑ K2-128 is an instance of low-mass star (Q12795622) [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). K2-128. Retrieved May 3, 2026, from https://4ort.xyz/entity/k2-128

MLA “K2-128.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/k2-128.

BibTeX

@misc{4ortxyz_k2-128_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{K2-128}}, year = {2026}, url = {https://4ort.xyz/entity/k2-128}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): K2-128 — https://4ort.xyz/entity/k2-128 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/k2-128 · Last refreshed: May 3, 2026