Q81765458

low-mass star in the constellation Cetus

Thing low_mass_star Q81765458

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Q81765458

Summary

Q81765458 is a low-mass star^[1].

Key Facts

Q81765458's instance of is recorded as low-mass star^[2].
Q81765458's constellation is recorded as Cetus^[3].
Q81765458's spectral class is recorded as M4V^[4].
Q81765458's catalog code is recorded as 2MASS J02164421-0010270^[5].
Q81765458's catalog code is recorded as SDSS J021644.21-001027.1^[6].
Q81765458's catalog code is recorded as SDSS J021644.22-001027.1^[7].
Q81765458's catalog code is recorded as Gaia DR2 2500978148158581632^[8].
Q81765458's apparent magnitude is recorded as {'unit': '1', 'amount': '+24.051'}^[9].
Q81765458's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.206'}^[10].
Q81765458's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.526'}^[11].
Q81765458's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.203'}^[12].
Q81765458's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.717'}^[13].
Q81765458's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.158'}^[14].
Q81765458's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.029'}^[15].
Q81765458's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.836'}^[16].
Q81765458's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.7975'}^[17].
Q81765458's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.8421'}^[18].
Q81765458's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+20'}^[19].
Q81765458's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+206.5220'}^[20].
Q81765458's SIMBAD ID is recorded as 2MASS J02164421-0010270^[21].
Q81765458's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+34.18424899437880'}^[22].
Q81765458's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.17420316983490'}^[23].
Q81765458's epoch is recorded as J2000.0^[24].
Q81765458's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-8.175'}^[25].
Q81765458's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+1.421'}^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +24.051, unit: 1, amount: +21.206, unit: 1, amount: +19.526, unit: 1, amount: +17.203, unit: 1, amount: +15.717, unit: 1, amount: +15.158, unit: 1, amount: +18.029, unit: 1, amount: +14.836, unit: 1, amount: +18.7975

Catalog code 2MASS J02164421-0010270, SDSS J021644.21-001027.1, SDSS J021644.22-001027.1, Gaia DR2 2500978148158581632

Constellation Cetus

Declination unit: www.wikidata.org, amount: -0.17420316983490

Declination component of proper motion unit: www.wikidata.org, amount: -8.175

Distance from earth unit: www.wikidata.org, amount: +206.5220

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +4.8421

Radial velocity unit: www.wikidata.org, amount: +20

Right ascension unit: www.wikidata.org, amount: +34.18424899437880

Right ascension component of proper motion unit: www.wikidata.org, amount: +1.421

Spectral class M4V

External References (2)

Gaia id 2500978148158581632

Simbad id 2MASS J02164421-0010270

References

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

Direct Wikidata claims

[2] ↑ Q81765458 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81765458 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q81765458 — spectral class (P215): M4V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81765458 — catalog code (P528): 2MASS J02164421-0010270. SIMBAD. wikidata.org.
[6] ↑ Q81765458 — catalog code (P528): SDSS J021644.21-001027.1. SIMBAD. wikidata.org.
[7] ↑ Q81765458 — catalog code (P528): SDSS J021644.22-001027.1. SIMBAD. wikidata.org.
[8] ↑ Q81765458 — catalog code (P528): Gaia DR2 2500978148158581632. SIMBAD. wikidata.org.
[9] ↑ Q81765458 — apparent magnitude (P1215): {'unit': '1', 'amount': '+24.051'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[10] ↑ Q81765458 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.206'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81765458 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.526'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81765458 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.203'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81765458 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.717'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q81765458 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.158'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q81765458 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.029'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[16] ↑ Q81765458 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.836'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81765458 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.7975'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q81765458 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.8421'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81765458 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+20'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[20] ↑ Q81765458 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+206.5220'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q81765458 — SIMBAD ID (P3083): 2MASS J02164421-0010270. wikidata.org.
[22] ↑ Q81765458 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+34.18424899437880'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81765458 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.17420316983490'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81765458 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81765458 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-8.175'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81765458 — right ascension component of proper motion (P10752): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+1.421'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81765458 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). Q81765458. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81765458

MLA “Q81765458.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81765458.

BibTeX

@misc{4ortxyz_q81765458_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81765458}}, year = {2026}, url = {https://4ort.xyz/entity/q81765458}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81765458 — https://4ort.xyz/entity/q81765458 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81765458 · Last refreshed: May 7, 2026