Q81759941

low-mass star in the constellation Cetus

Thing low_mass_star Q81759941

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Q81759941

Summary

Q81759941 is a low-mass star^[1].

Key Facts

Q81759941's instance of is recorded as low-mass star^[2].
Q81759941's constellation is recorded as Cetus^[3].
Q81759941's spectral class is recorded as M4V^[4].
Q81759941's catalog code is recorded as 2MASS J02570646+0042438^[5].
Q81759941's catalog code is recorded as SDSS J025706.49+004243.7^[6].
Q81759941's catalog code is recorded as SDSS J025706.50+004243.7^[7].
Q81759941's catalog code is recorded as Gaia DR2 283506496414080^[8].
Q81759941's apparent magnitude is recorded as {'unit': '1', 'amount': '+25.179'}^[9].
Q81759941's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.687'}^[10].
Q81759941's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.194'}^[11].
Q81759941's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.818'}^[12].
Q81759941's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.128'}^[13].
Q81759941's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.488'}^[14].
Q81759941's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.38'}^[15].
Q81759941's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.5719'}^[16].
Q81759941's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.9090'}^[17].
Q81759941's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+93'}^[18].
Q81759941's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+579.5'}^[19].
Q81759941's SIMBAD ID is recorded as 2MASS J02570646+0042438^[20].
Q81759941's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+44.27702985424790'}^[21].
Q81759941's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.71215383851610'}^[22].
Q81759941's epoch is recorded as J2000.0^[23].
Q81759941's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-28.971'}^[24].
Q81759941's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+35.451'}^[25].
Q81759941's Gaia ID is recorded as 283506496414080^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +25.179, unit: 1, amount: +21.687, unit: 1, amount: +20.194, unit: 1, amount: +18.818, unit: 1, amount: +18.128, unit: 1, amount: +16.488, unit: 1, amount: +15.38, unit: 1, amount: +19.5719

Catalog code 2MASS J02570646+0042438, SDSS J025706.49+004243.7, SDSS J025706.50+004243.7, Gaia DR2 283506496414080

Constellation Cetus

Declination unit: www.wikidata.org, amount: +0.71215383851610

Declination component of proper motion unit: www.wikidata.org, amount: -28.971

Distance from earth unit: www.wikidata.org, amount: +579.5

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +2.9090

Radial velocity unit: www.wikidata.org, amount: +93

Right ascension unit: www.wikidata.org, amount: +44.27702985424790

Right ascension component of proper motion unit: www.wikidata.org, amount: +35.451

Spectral class M4V

External References (2)

Gaia id 283506496414080

Simbad id 2MASS J02570646+0042438

References

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

Direct Wikidata claims

[2] ↑ Q81759941 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81759941 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q81759941 — spectral class (P215): M4V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81759941 — catalog code (P528): 2MASS J02570646+0042438. SIMBAD. wikidata.org.
[6] ↑ Q81759941 — catalog code (P528): SDSS J025706.49+004243.7. SIMBAD. wikidata.org.
[7] ↑ Q81759941 — catalog code (P528): SDSS J025706.50+004243.7. SIMBAD. wikidata.org.
[8] ↑ Q81759941 — catalog code (P528): Gaia DR2 283506496414080. SIMBAD. wikidata.org.
[9] ↑ Q81759941 — apparent magnitude (P1215): {'unit': '1', 'amount': '+25.179'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[10] ↑ Q81759941 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.687'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81759941 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.194'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81759941 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.818'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81759941 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.128'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81759941 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.488'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q81759941 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.38'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81759941 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.5719'}. Gaia Data Release 2. wikidata.org.
[17] ↑ Q81759941 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.9090'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q81759941 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+93'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[19] ↑ Q81759941 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+579.5'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[20] ↑ Q81759941 — SIMBAD ID (P3083): 2MASS J02570646+0042438. wikidata.org.
[21] ↑ Q81759941 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+44.27702985424790'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q81759941 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.71215383851610'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81759941 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81759941 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-28.971'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81759941 — right ascension component of proper motion (P10752): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+35.451'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81759941 — Gaia ID (P13228): 283506496414080. wikidata.org.

Class ancestry

[1] ↑ Q81759941 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). Q81759941. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81759941

MLA “Q81759941.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81759941.

BibTeX

@misc{4ortxyz_q81759941_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81759941}}, year = {2026}, url = {https://4ort.xyz/entity/q81759941}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81759941 — https://4ort.xyz/entity/q81759941 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81759941 · Last refreshed: May 7, 2026