Q81945454

low-mass star in the constellation Ursa Major

Thing low_mass_star Q81945454

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Q81945454

Summary

Q81945454 is a low-mass star^[1].

Key Facts

Q81945454's instance of is recorded as low-mass star^[2].
Q81945454's constellation is recorded as Ursa Major^[3].
Q81945454's spectral class is recorded as M4V^[4].
Q81945454's catalog code is recorded as 2MASS J09050452+4703315^[5].
Q81945454's catalog code is recorded as SDSS J090504.54+470331.9^[6].
Q81945454's catalog code is recorded as SDSS J090504.52+470331.8^[7].
Q81945454's catalog code is recorded as SDSS J090504.54+470332.0^[8].
Q81945454's catalog code is recorded as Gaia DR2 1012255106550618112^[9].
Q81945454's redshift is recorded as {'unit': '1', 'amount': '+0.00000'}^[10].
Q81945454's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.931'}^[11].
Q81945454's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.153'}^[12].
Q81945454's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.681'}^[13].
Q81945454's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.469'}^[14].
Q81945454's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.760'}^[15].
Q81945454's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.560'}^[16].
Q81945454's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.521'}^[17].
Q81945454's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.46'}^[18].
Q81945454's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.2125'}^[19].
Q81945454's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.6961'}^[20].
Q81945454's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+25'}^[21].
Q81945454's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+547.6'}^[22].
Q81945454's SIMBAD ID is recorded as 2MASS J09050452+4703315^[23].
Q81945454's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+136.26886601411590'}^[24].
Q81945454's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+47.05885826271540'}^[25].
Q81945454'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: +22.931, unit: 1, amount: +21.153, unit: 1, amount: +19.681, unit: 1, amount: +18.469, unit: 1, amount: +17.760, unit: 1, amount: +15.560, unit: 1, amount: +16.521, unit: 1, amount: +15.46, unit: 1, amount: +19.2125

Catalog code 2MASS J09050452+4703315, SDSS J090504.54+470331.9, SDSS J090504.52+470331.8, SDSS J090504.54+470332.0, Gaia DR2 1012255106550618112

Constellation Ursa Major

Declination unit: www.wikidata.org, amount: +47.05885826271540

Declination component of proper motion unit: www.wikidata.org, amount: -16.364

Distance from earth unit: www.wikidata.org, amount: +547.6

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +1.6961

Radial velocity unit: www.wikidata.org, amount: +25

Redshift unit: 1, amount: +0.00000

Right ascension unit: www.wikidata.org, amount: +136.26886601411590

Right ascension component of proper motion unit: www.wikidata.org, amount: -5.395

Spectral class M4V

External References (2)

Gaia id 1012255106550618112

Simbad id 2MASS J09050452+4703315

References

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

Direct Wikidata claims

[2] ↑ Q81945454 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81945454 — constellation (P59): Ursa Major. wikidata.org.
[4] ↑ Q81945454 — spectral class (P215): M4V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81945454 — catalog code (P528): 2MASS J09050452+4703315. SIMBAD. wikidata.org.
[6] ↑ Q81945454 — catalog code (P528): SDSS J090504.54+470331.9. SIMBAD. wikidata.org.
[7] ↑ Q81945454 — catalog code (P528): SDSS J090504.52+470331.8. SIMBAD. wikidata.org.
[8] ↑ Q81945454 — catalog code (P528): SDSS J090504.54+470332.0. SIMBAD. wikidata.org.
[9] ↑ Q81945454 — catalog code (P528): Gaia DR2 1012255106550618112. SIMBAD. wikidata.org.
[10] ↑ Q81945454 — redshift (P1090): {'unit': '1', 'amount': '+0.00000'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[11] ↑ Q81945454 — apparent magnitude (P1215): {'unit': '1', 'amount': '+22.931'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81945454 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.153'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81945454 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.681'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81945454 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.469'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q81945454 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.760'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[16] ↑ Q81945454 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.560'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81945454 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.521'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q81945454 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.46'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[19] ↑ Q81945454 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.2125'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81945454 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.6961'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q81945454 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+25'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q81945454 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+547.6'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[23] ↑ Q81945454 — SIMBAD ID (P3083): 2MASS J09050452+4703315. wikidata.org.
[24] ↑ Q81945454 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+136.26886601411590'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81945454 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+47.05885826271540'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81945454 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81945454 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). Q81945454. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81945454

MLA “Q81945454.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81945454.

BibTeX

@misc{4ortxyz_q81945454_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81945454}}, year = {2026}, url = {https://4ort.xyz/entity/q81945454}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81945454 — https://4ort.xyz/entity/q81945454 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81945454 · Last refreshed: May 7, 2026