Q81939199

low-mass star in the constellation Ursa Major

Thing low_mass_star Q81939199

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Q81939199

Summary

Q81939199 is a low-mass star^[1].

Key Facts

Q81939199's instance of is recorded as low-mass star^[2].
Q81939199's constellation is recorded as Ursa Major^[3].
Q81939199's spectral class is recorded as M0^[4].
Q81939199's catalog code is recorded as 2MASS J09441680+4319247^[5].
Q81939199's catalog code is recorded as SDSS J094416.82+431924.5^[6].
Q81939199's catalog code is recorded as Gaia DR2 819990311429453952^[7].
Q81939199's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.644'}^[8].
Q81939199's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.239'}^[9].
Q81939199's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.191'}^[10].
Q81939199's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.553'}^[11].
Q81939199's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.181'}^[12].
Q81939199's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.909'}^[13].
Q81939199's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.354'}^[14].
Q81939199's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.0355'}^[15].
Q81939199's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.3896'}^[16].
Q81939199's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+59.2'}^[17].
Q81939199's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1707.6'}^[18].
Q81939199's SIMBAD ID is recorded as 2MASS J09441680+4319247^[19].
Q81939199's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+146.07012884670390'}^[20].
Q81939199's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+43.32351280482880'}^[21].
Q81939199's epoch is recorded as J2000.0^[22].
Q81939199's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-13.137'}^[23].
Q81939199's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-6.112'}^[24].
Q81939199's Gaia ID is recorded as 819990311429453952^[25].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +22.644, unit: 1, amount: +20.239, unit: 1, amount: +19.191, unit: 1, amount: +18.553, unit: 1, amount: +18.181, unit: 1, amount: +16.909, unit: 1, amount: +16.354, unit: 1, amount: +19.0355

Catalog code 2MASS J09441680+4319247, SDSS J094416.82+431924.5, Gaia DR2 819990311429453952

Constellation Ursa Major

Declination unit: www.wikidata.org, amount: +43.32351280482880

Declination component of proper motion unit: www.wikidata.org, amount: -13.137

Distance from earth unit: www.wikidata.org, amount: +1707.6

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +0.3896

Radial velocity unit: www.wikidata.org, amount: +59.2

Right ascension unit: www.wikidata.org, amount: +146.07012884670390

Right ascension component of proper motion unit: www.wikidata.org, amount: -6.112

Spectral class M0

External References (2)

Gaia id 819990311429453952

Simbad id 2MASS J09441680+4319247

References

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

Direct Wikidata claims

[2] ↑ Q81939199 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81939199 — constellation (P59): Ursa Major. wikidata.org.
[4] ↑ Q81939199 — spectral class (P215): M0. Constraining the age-activity relation for cool stars: the Sloan Digital Sky Survey Data Release 5 low-mass star spectroscopic sample. wikidata.org.
[5] ↑ Q81939199 — catalog code (P528): 2MASS J09441680+4319247. SIMBAD. wikidata.org.
[6] ↑ Q81939199 — catalog code (P528): SDSS J094416.82+431924.5. SIMBAD. wikidata.org.
[7] ↑ Q81939199 — catalog code (P528): Gaia DR2 819990311429453952. SIMBAD. wikidata.org.
[8] ↑ Q81939199 — apparent magnitude (P1215): {'unit': '1', 'amount': '+22.644'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[9] ↑ Q81939199 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.239'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[10] ↑ Q81939199 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.191'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81939199 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.553'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81939199 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.181'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81939199 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.909'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q81939199 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.354'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q81939199 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.0355'}. Gaia Data Release 2. wikidata.org.
[16] ↑ Q81939199 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.3896'}. Gaia Data Release 2. wikidata.org.
[17] ↑ Q81939199 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+59.2'}. Constraining the age-activity relation for cool stars: the Sloan Digital Sky Survey Data Release 5 low-mass star spectroscopic sample. wikidata.org.
[18] ↑ Q81939199 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1707.6'}. Constraining the age-activity relation for cool stars: the Sloan Digital Sky Survey Data Release 5 low-mass star spectroscopic sample. wikidata.org.
[19] ↑ Q81939199 — SIMBAD ID (P3083): 2MASS J09441680+4319247. wikidata.org.
[20] ↑ Q81939199 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+146.07012884670390'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q81939199 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+43.32351280482880'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q81939199 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81939199 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-13.137'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81939199 — right ascension component of proper motion (P10752): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-6.112'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81939199 — Gaia ID (P13228): 819990311429453952. wikidata.org.

Class ancestry

[1] ↑ Q81939199 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). Q81939199. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81939199

MLA “Q81939199.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81939199.

BibTeX

@misc{4ortxyz_q81939199_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81939199}}, year = {2026}, url = {https://4ort.xyz/entity/q81939199}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81939199 — https://4ort.xyz/entity/q81939199 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81939199 · Last refreshed: May 7, 2026