Q81767921

low-mass star in the constellation Cetus

Thing low_mass_star Q81767921

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Q81767921

Summary

Q81767921 is a low-mass star^[1].

Key Facts

Q81767921's instance of is recorded as low-mass star^[2].
Q81767921's constellation is recorded as Cetus^[3].
Q81767921's spectral class is recorded as M2V^[4].
Q81767921's catalog code is recorded as 2MASS J02091347+0024179^[5].
Q81767921's catalog code is recorded as SDSS J020913.47+002418.0^[6].
Q81767921's catalog code is recorded as Gaia DR2 2507266736194554752^[7].
Q81767921's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.780'}^[8].
Q81767921's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.891'}^[9].
Q81767921's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.831'}^[10].
Q81767921's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.464'}^[11].
Q81767921's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.783'}^[12].
Q81767921's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.631'}^[13].
Q81767921's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.428'}^[14].
Q81767921's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.385'}^[15].
Q81767921's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.0856'}^[16].
Q81767921's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.9222'}^[17].
Q81767921's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+9'}^[18].
Q81767921's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+483.5'}^[19].
Q81767921's SIMBAD ID is recorded as 2MASS J02091347+0024179^[20].
Q81767921's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+32.30611994109240'}^[21].
Q81767921's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.40502247108260'}^[22].
Q81767921's epoch is recorded as J2000.0^[23].
Q81767921's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-24.116'}^[24].
Q81767921's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+19.945'}^[25].
Q81767921's Gaia ID is recorded as 2507266736194554752^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +22.780, unit: 1, amount: +19.891, unit: 1, amount: +16.831, unit: 1, amount: +15.464, unit: 1, amount: +14.783, unit: 1, amount: +14.631, unit: 1, amount: +18.428, unit: 1, amount: +17.385, unit: 1, amount: +18.0856

Catalog code 2MASS J02091347+0024179, SDSS J020913.47+002418.0, Gaia DR2 2507266736194554752

Constellation Cetus

Declination unit: www.wikidata.org, amount: +0.40502247108260

Declination component of proper motion unit: www.wikidata.org, amount: -24.116

Distance from earth unit: www.wikidata.org, amount: +483.5

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +1.9222

Radial velocity unit: www.wikidata.org, amount: +9

Right ascension unit: www.wikidata.org, amount: +32.30611994109240

Right ascension component of proper motion unit: www.wikidata.org, amount: +19.945

Spectral class M2V

External References (2)

Gaia id 2507266736194554752

Simbad id 2MASS J02091347+0024179

References

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

Direct Wikidata claims

[2] ↑ Q81767921 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81767921 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q81767921 — spectral class (P215): M2V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81767921 — catalog code (P528): 2MASS J02091347+0024179. SIMBAD. wikidata.org.
[6] ↑ Q81767921 — catalog code (P528): SDSS J020913.47+002418.0. SIMBAD. wikidata.org.
[7] ↑ Q81767921 — catalog code (P528): Gaia DR2 2507266736194554752. SIMBAD. wikidata.org.
[8] ↑ Q81767921 — apparent magnitude (P1215): {'unit': '1', 'amount': '+22.780'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[9] ↑ Q81767921 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.891'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[10] ↑ Q81767921 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.831'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81767921 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.464'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[12] ↑ Q81767921 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.783'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[13] ↑ Q81767921 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.631'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q81767921 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.428'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[15] ↑ Q81767921 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.385'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[16] ↑ Q81767921 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.0856'}. Gaia Data Release 2. wikidata.org.
[17] ↑ Q81767921 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.9222'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q81767921 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+9'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[19] ↑ Q81767921 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+483.5'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[20] ↑ Q81767921 — SIMBAD ID (P3083): 2MASS J02091347+0024179. wikidata.org.
[21] ↑ Q81767921 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+32.30611994109240'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q81767921 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.40502247108260'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81767921 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81767921 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-24.116'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81767921 — right ascension component of proper motion (P10752): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+19.945'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81767921 — Gaia ID (P13228): 2507266736194554752. wikidata.org.

Class ancestry

[1] ↑ Q81767921 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). Q81767921. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81767921

MLA “Q81767921.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81767921.

BibTeX

@misc{4ortxyz_q81767921_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81767921}}, year = {2026}, url = {https://4ort.xyz/entity/q81767921}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81767921 — https://4ort.xyz/entity/q81767921 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81767921 · Last refreshed: May 7, 2026