Q81939871

low-mass star in the constellation Ursa Major

Thing low_mass_star Q81939871

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Q81939871

Summary

Q81939871 is a low-mass star^[1].

Key Facts

Q81939871's instance of is recorded as low-mass star^[2].
Q81939871's constellation is recorded as Ursa Major^[3].
Q81939871's spectral class is recorded as M7V^[4].
Q81939871's catalog code is recorded as 2MASS J09470158+4917215^[5].
Q81939871's catalog code is recorded as SDSS J094701.60+491721.3^[6].
Q81939871's catalog code is recorded as SDSS J094701.61+491721.2^[7].
Q81939871's catalog code is recorded as SDSS J094701.61+491721.3^[8].
Q81939871's catalog code is recorded as Gaia DR2 825260373741155712^[9].
Q81939871's redshift is recorded as {'unit': '1', 'amount': '-0.00028'}^[10].
Q81939871's apparent magnitude is recorded as {'unit': '1', 'amount': '+26.296'}^[11].
Q81939871's apparent magnitude is recorded as {'unit': '1', 'amount': '+24.671'}^[12].
Q81939871's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.570'}^[13].
Q81939871's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.556'}^[14].
Q81939871's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.208'}^[15].
Q81939871's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.423'}^[16].
Q81939871's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.570'}^[17].
Q81939871's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.29'}^[18].
Q81939871's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.3060'}^[19].
Q81939871's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+7.8392'}^[20].
Q81939871's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+1'}^[21].
Q81939871's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+124.8'}^[22].
Q81939871's SIMBAD ID is recorded as 2MASS J09470158+4917215^[23].
Q81939871's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+146.75670648329230'}^[24].
Q81939871's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+49.28928332725970'}^[25].
Q81939871's epoch is recorded as J2000.0^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +26.296, unit: 1, amount: +24.671, unit: 1, amount: +22.570, unit: 1, amount: +19.556, unit: 1, amount: +18.208, unit: 1, amount: +16.423, unit: 1, amount: +15.570, unit: 1, amount: +15.29, unit: 1, amount: +20.3060

Catalog code 2MASS J09470158+4917215, SDSS J094701.60+491721.3, SDSS J094701.61+491721.2, SDSS J094701.61+491721.3, Gaia DR2 825260373741155712

Constellation Ursa Major

Declination unit: www.wikidata.org, amount: +49.28928332725970

Declination component of proper motion unit: www.wikidata.org, amount: -76.704

Distance from earth unit: www.wikidata.org, amount: +124.8

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +7.8392

Radial velocity unit: www.wikidata.org, amount: +1

Redshift unit: 1, amount: -0.00028

Right ascension unit: www.wikidata.org, amount: +146.75670648329230

Right ascension component of proper motion unit: www.wikidata.org, amount: +0.342

Spectral class M7V

External References (2)

Gaia id 825260373741155712

Simbad id 2MASS J09470158+4917215

References

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

Direct Wikidata claims

[2] ↑ Q81939871 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81939871 — constellation (P59): Ursa Major. wikidata.org.
[4] ↑ Q81939871 — spectral class (P215): M7V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81939871 — catalog code (P528): 2MASS J09470158+4917215. SIMBAD. wikidata.org.
[6] ↑ Q81939871 — catalog code (P528): SDSS J094701.60+491721.3. SIMBAD. wikidata.org.
[7] ↑ Q81939871 — catalog code (P528): SDSS J094701.61+491721.2. SIMBAD. wikidata.org.
[8] ↑ Q81939871 — catalog code (P528): SDSS J094701.61+491721.3. SIMBAD. wikidata.org.
[9] ↑ Q81939871 — catalog code (P528): Gaia DR2 825260373741155712. SIMBAD. wikidata.org.
[10] ↑ Q81939871 — redshift (P1090): {'unit': '1', 'amount': '-0.00028'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[11] ↑ Q81939871 — apparent magnitude (P1215): {'unit': '1', 'amount': '+26.296'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81939871 — apparent magnitude (P1215): {'unit': '1', 'amount': '+24.671'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81939871 — apparent magnitude (P1215): {'unit': '1', 'amount': '+22.570'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81939871 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.556'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q81939871 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.208'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[16] ↑ Q81939871 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.423'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81939871 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.570'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q81939871 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.29'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[19] ↑ Q81939871 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.3060'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81939871 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+7.8392'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q81939871 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+1'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q81939871 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+124.8'}. Constraining the age-activity relation for cool stars: the Sloan Digital Sky Survey Data Release 5 low-mass star spectroscopic sample. wikidata.org.
[23] ↑ Q81939871 — SIMBAD ID (P3083): 2MASS J09470158+4917215. wikidata.org.
[24] ↑ Q81939871 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+146.75670648329230'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81939871 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+49.28928332725970'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81939871 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81939871 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). Q81939871. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81939871

MLA “Q81939871.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81939871.

BibTeX

@misc{4ortxyz_q81939871_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81939871}}, year = {2026}, url = {https://4ort.xyz/entity/q81939871}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81939871 — https://4ort.xyz/entity/q81939871 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81939871 · Last refreshed: May 7, 2026