Q81768446

low-mass star in the constellation Cetus

Thing low_mass_star Q81768446

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Q81768446

Summary

Q81768446 is a low-mass star^[1].

Key Facts

Q81768446's instance of is recorded as low-mass star^[2].
Q81768446's constellation is recorded as Cetus^[3].
Q81768446's spectral class is recorded as M1V^[4].
Q81768446's catalog code is recorded as 2MASS J02181652-0059396^[5].
Q81768446's catalog code is recorded as SDSS J021816.52-005939.4^[6].
Q81768446's catalog code is recorded as SDSS J021816.52-005939.5^[7].
Q81768446's catalog code is recorded as SDSS J021816.53-005939.5^[8].
Q81768446's catalog code is recorded as Gaia DR2 2494681623023781376^[9].
Q81768446's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.272'}^[10].
Q81768446's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.165'}^[11].
Q81768446's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.594'}^[12].
Q81768446's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.502'}^[13].
Q81768446's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.800'}^[14].
Q81768446's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.044'}^[15].
Q81768446's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.713'}^[16].
Q81768446's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.55'}^[17].
Q81768446's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.6653'}^[18].
Q81768446's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.5978'}^[19].
Q81768446's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+20'}^[20].
Q81768446's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1075.0'}^[21].
Q81768446's SIMBAD ID is recorded as 2MASS J02181652-0059396^[22].
Q81768446's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+34.56884886798680'}^[23].
Q81768446's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.99430169609450'}^[24].
Q81768446's epoch is recorded as J2000.0^[25].
Q81768446's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+4.845'}^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +22.272, unit: 1, amount: +20.165, unit: 1, amount: +17.594, unit: 1, amount: +16.502, unit: 1, amount: +18.800, unit: 1, amount: +18.044, unit: 1, amount: +15.713, unit: 1, amount: +15.55, unit: 1, amount: +18.6653

Catalog code 2MASS J02181652-0059396, SDSS J021816.52-005939.4, SDSS J021816.52-005939.5, SDSS J021816.53-005939.5, Gaia DR2 2494681623023781376

Constellation Cetus

Declination unit: www.wikidata.org, amount: -0.99430169609450

Declination component of proper motion unit: www.wikidata.org, amount: +4.845

Distance from earth unit: www.wikidata.org, amount: +1075.0

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +0.5978

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

Right ascension unit: www.wikidata.org, amount: +34.56884886798680

Right ascension component of proper motion unit: www.wikidata.org, amount: +5.231

Spectral class M1V

External References (2)

Gaia id 2494681623023781376

Simbad id 2MASS J02181652-0059396

References

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

Direct Wikidata claims

[2] ↑ Q81768446 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81768446 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q81768446 — spectral class (P215): M1V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81768446 — catalog code (P528): 2MASS J02181652-0059396. SIMBAD. wikidata.org.
[6] ↑ Q81768446 — catalog code (P528): SDSS J021816.52-005939.4. SIMBAD. wikidata.org.
[7] ↑ Q81768446 — catalog code (P528): SDSS J021816.52-005939.5. SIMBAD. wikidata.org.
[8] ↑ Q81768446 — catalog code (P528): SDSS J021816.53-005939.5. SIMBAD. wikidata.org.
[9] ↑ Q81768446 — catalog code (P528): Gaia DR2 2494681623023781376. SIMBAD. wikidata.org.
[10] ↑ Q81768446 — apparent magnitude (P1215): {'unit': '1', 'amount': '+22.272'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81768446 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.165'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81768446 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.594'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81768446 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.502'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q81768446 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.800'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[15] ↑ Q81768446 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.044'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[16] ↑ Q81768446 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.713'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81768446 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.55'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q81768446 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.6653'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81768446 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.5978'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81768446 — 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.
[21] ↑ Q81768446 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1075.0'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q81768446 — SIMBAD ID (P3083): 2MASS J02181652-0059396. wikidata.org.
[23] ↑ Q81768446 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+34.56884886798680'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81768446 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.99430169609450'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81768446 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81768446 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+4.845'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81768446 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). Q81768446. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81768446

MLA “Q81768446.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81768446.

BibTeX

@misc{4ortxyz_q81768446_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81768446}}, year = {2026}, url = {https://4ort.xyz/entity/q81768446}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81768446 — https://4ort.xyz/entity/q81768446 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81768446 · Last refreshed: May 7, 2026