Q81938856

low-mass star in the constellation Ursa Major

Thing low_mass_star Q81938856

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Q81938856

Summary

Q81938856 is a low-mass star^[1].

Key Facts

Q81938856's instance of is recorded as low-mass star^[2].
Q81938856's constellation is recorded as Ursa Major^[3].
Q81938856's spectral class is recorded as M4V^[4].
Q81938856's catalog code is recorded as 2MASS J08401824+4739373^[5].
Q81938856's catalog code is recorded as SDSS J084018.25+473937.2^[6].
Q81938856's catalog code is recorded as SDSS J084018.24+473937.1^[7].
Q81938856's catalog code is recorded as SDSS J084018.26+473937.1^[8].
Q81938856's catalog code is recorded as Gaia DR2 1014559923440356480^[9].
Q81938856's redshift is recorded as {'unit': '1', 'amount': '+0.00015'}^[10].
Q81938856's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.805'}^[11].
Q81938856's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.817'}^[12].
Q81938856's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.542'}^[13].
Q81938856's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.017'}^[14].
Q81938856's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.766'}^[15].
Q81938856's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.186'}^[16].
Q81938856's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.732'}^[17].
Q81938856's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.970'}^[18].
Q81938856's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.5029'}^[19].
Q81938856's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+5.3423'}^[20].
Q81938856's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+49'}^[21].
Q81938856's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+187.1853'}^[22].
Q81938856's SIMBAD ID is recorded as 2MASS J08401824+4739373^[23].
Q81938856's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+130.07605270307050'}^[24].
Q81938856's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+47.66033684771480'}^[25].
Q81938856'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: +22.805, unit: 1, amount: +19.817, unit: 1, amount: +14.542, unit: 1, amount: +14.017, unit: 1, amount: +13.766, unit: 1, amount: +18.186, unit: 1, amount: +16.732, unit: 1, amount: +15.970, unit: 1, amount: +17.5029

Catalog code 2MASS J08401824+4739373, SDSS J084018.25+473937.2, SDSS J084018.24+473937.1, SDSS J084018.26+473937.1, Gaia DR2 1014559923440356480

Constellation Ursa Major

Declination unit: www.wikidata.org, amount: +47.66033684771480

Declination component of proper motion unit: www.wikidata.org, amount: -66.374

Distance from earth unit: www.wikidata.org, amount: +187.1853

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +5.3423

Radial velocity unit: www.wikidata.org, amount: +49

Redshift unit: 1, amount: +0.00015

Right ascension unit: www.wikidata.org, amount: +130.07605270307050

Right ascension component of proper motion unit: www.wikidata.org, amount: -27.036

Spectral class M4V

External References (2)

Gaia id 1014559923440356480

Simbad id 2MASS J08401824+4739373

References

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

Direct Wikidata claims

[2] ↑ Q81938856 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81938856 — constellation (P59): Ursa Major. wikidata.org.
[4] ↑ Q81938856 — spectral class (P215): M4V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81938856 — catalog code (P528): 2MASS J08401824+4739373. SIMBAD. wikidata.org.
[6] ↑ Q81938856 — catalog code (P528): SDSS J084018.25+473937.2. SIMBAD. wikidata.org.
[7] ↑ Q81938856 — catalog code (P528): SDSS J084018.24+473937.1. SIMBAD. wikidata.org.
[8] ↑ Q81938856 — catalog code (P528): SDSS J084018.26+473937.1. SIMBAD. wikidata.org.
[9] ↑ Q81938856 — catalog code (P528): Gaia DR2 1014559923440356480. SIMBAD. wikidata.org.
[10] ↑ Q81938856 — redshift (P1090): {'unit': '1', 'amount': '+0.00015'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[11] ↑ Q81938856 — apparent magnitude (P1215): {'unit': '1', 'amount': '+22.805'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81938856 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.817'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81938856 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.542'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q81938856 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.017'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q81938856 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.766'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81938856 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.186'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[17] ↑ Q81938856 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.732'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[18] ↑ Q81938856 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.970'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[19] ↑ Q81938856 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.5029'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81938856 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+5.3423'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q81938856 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+49'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q81938856 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+187.1853'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81938856 — SIMBAD ID (P3083): 2MASS J08401824+4739373. wikidata.org.
[24] ↑ Q81938856 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+130.07605270307050'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81938856 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+47.66033684771480'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81938856 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81938856 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). Q81938856. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81938856

MLA “Q81938856.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81938856.

BibTeX

@misc{4ortxyz_q81938856_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81938856}}, year = {2026}, url = {https://4ort.xyz/entity/q81938856}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81938856 — https://4ort.xyz/entity/q81938856 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81938856 · Last refreshed: May 7, 2026