Q81766019

low-mass star in the constellation Cetus

Thing low_mass_star Q81766019

Press Enter · cited answer in seconds

Q81766019

Summary

Q81766019 is a low-mass star^[1].

Key Facts

Q81766019's instance of is recorded as low-mass star^[2].
Q81766019's constellation is recorded as Cetus^[3].
Q81766019's spectral class is recorded as M2V^[4].
Q81766019's catalog code is recorded as SDSS J020217.78-011107.7^[5].
Q81766019's catalog code is recorded as 2MASS J02021745-0111081^[6].
Q81766019's catalog code is recorded as Gaia DR2 2506590364744793216^[7].
Q81766019's apparent magnitude is recorded as {'unit': '1', 'amount': '+23.357'}^[8].
Q81766019's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.308'}^[9].
Q81766019's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.924'}^[10].
Q81766019's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.951'}^[11].
Q81766019's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.521'}^[12].
Q81766019's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.824'}^[13].
Q81766019's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.254'}^[14].
Q81766019's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.978'}^[15].
Q81766019's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.7014'}^[16].
Q81766019's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.2059'}^[17].
Q81766019's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+35'}^[18].
Q81766019's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1291.7'}^[19].
Q81766019's SIMBAD ID is recorded as 2MASS J02021745-0111081^[20].
Q81766019's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+30.57409599266830'}^[21].
Q81766019's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-1.18550774211880'}^[22].
Q81766019's epoch is recorded as J2000.0^[23].
Q81766019's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+6.393'}^[24].
Q81766019's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+3.093'}^[25].
Q81766019's Gaia ID is recorded as 2506590433464269824^[26].

⭐ Popularity Graph

0/100 long tail

Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +23.357, unit: 1, amount: +21.308, unit: 1, amount: +19.924, unit: 1, amount: +18.951, unit: 1, amount: +18.521, unit: 1, amount: +14.824, unit: 1, amount: +14.254, unit: 1, amount: +13.978, unit: 1, amount: +19.7014

Catalog code SDSS J020217.78-011107.7, 2MASS J02021745-0111081, Gaia DR2 2506590364744793216

Constellation Cetus

Declination unit: www.wikidata.org, amount: -1.18550774211880

Declination component of proper motion unit: www.wikidata.org, amount: +6.393

Distance from earth unit: www.wikidata.org, amount: +1291.7

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +0.2059

Radial velocity unit: www.wikidata.org, amount: +35

Right ascension unit: www.wikidata.org, amount: +30.57409599266830

Right ascension component of proper motion unit: www.wikidata.org, amount: +3.093

Spectral class M2V

External References (2)

Gaia id 2506590433464269824

Simbad id 2MASS J02021745-0111081

References

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

Direct Wikidata claims

[2] ↑ Q81766019 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81766019 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q81766019 — spectral class (P215): M2V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81766019 — catalog code (P528): SDSS J020217.78-011107.7. SIMBAD. wikidata.org.
[6] ↑ Q81766019 — catalog code (P528): 2MASS J02021745-0111081. SIMBAD. wikidata.org.
[7] ↑ Q81766019 — catalog code (P528): Gaia DR2 2506590364744793216. SIMBAD. wikidata.org.
[8] ↑ Q81766019 — apparent magnitude (P1215): {'unit': '1', 'amount': '+23.357'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[9] ↑ Q81766019 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.308'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[10] ↑ Q81766019 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.924'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81766019 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.951'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81766019 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.521'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81766019 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.824'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q81766019 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.254'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q81766019 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.978'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81766019 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.7014'}. Gaia Data Release 2. wikidata.org.
[17] ↑ Q81766019 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.2059'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q81766019 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+35'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[19] ↑ Q81766019 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1291.7'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[20] ↑ Q81766019 — SIMBAD ID (P3083): 2MASS J02021745-0111081. wikidata.org.
[21] ↑ Q81766019 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+30.57409599266830'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q81766019 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-1.18550774211880'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81766019 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81766019 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+6.393'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81766019 — right ascension component of proper motion (P10752): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+3.093'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81766019 — Gaia ID (P13228): 2506590433464269824. wikidata.org.

Class ancestry

[1] ↑ Q81766019 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). Q81766019. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81766019

MLA “Q81766019.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81766019.

BibTeX

@misc{4ortxyz_q81766019_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81766019}}, year = {2026}, url = {https://4ort.xyz/entity/q81766019}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81766019 — https://4ort.xyz/entity/q81766019 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81766019 · Last refreshed: May 7, 2026