Q81945065

low-mass star in the constellation Ursa Major

Thing low_mass_star Q81945065

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Q81945065

Summary

Q81945065 is a low-mass star^[1].

Key Facts

Q81945065's instance of is recorded as low-mass star^[2].
Q81945065's constellation is recorded as Ursa Major^[3].
Q81945065's spectral class is recorded as M4V^[4].
Q81945065's catalog code is recorded as 2MASS J09450754+4543247^[5].
Q81945065's catalog code is recorded as SDSS J094507.53+454324.6^[6].
Q81945065's catalog code is recorded as SDSS J094507.54+454324.6^[7].
Q81945065's catalog code is recorded as Gaia DR2 821248290170876672^[8].
Q81945065's redshift is recorded as {'unit': '1', 'amount': '-0.00005'}^[9].
Q81945065's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.609'}^[10].
Q81945065's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.286'}^[11].
Q81945065's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.180'}^[12].
Q81945065's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.524'}^[13].
Q81945065's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.256'}^[14].
Q81945065's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.869'}^[15].
Q81945065's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.330'}^[16].
Q81945065's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.490'}^[17].
Q81945065's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.0824'}^[18].
Q81945065's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.6903'}^[19].
Q81945065's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-8'}^[20].
Q81945065's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+270.9807'}^[21].
Q81945065's SIMBAD ID is recorded as 2MASS J09450754+4543247^[22].
Q81945065's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+146.28141174225420'}^[23].
Q81945065's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+45.72353113921950'}^[24].
Q81945065's epoch is recorded as J2000.0^[25].
Q81945065's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+4.480'}^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +22.609, unit: 1, amount: +20.286, unit: 1, amount: +15.180, unit: 1, amount: +14.524, unit: 1, amount: +14.256, unit: 1, amount: +18.869, unit: 1, amount: +17.330, unit: 1, amount: +16.490, unit: 1, amount: +18.0824

Catalog code 2MASS J09450754+4543247, SDSS J094507.53+454324.6, SDSS J094507.54+454324.6, Gaia DR2 821248290170876672

Constellation Ursa Major

Declination unit: www.wikidata.org, amount: +45.72353113921950

Declination component of proper motion unit: www.wikidata.org, amount: +4.480

Distance from earth unit: www.wikidata.org, amount: +270.9807

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +3.6903

Radial velocity unit: www.wikidata.org, amount: -8

Redshift unit: 1, amount: -0.00005

Right ascension unit: www.wikidata.org, amount: +146.28141174225420

Right ascension component of proper motion unit: www.wikidata.org, amount: +9.070

Spectral class M4V

External References (2)

Gaia id 821248290170876672

Simbad id 2MASS J09450754+4543247

References

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

Direct Wikidata claims

[2] ↑ Q81945065 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81945065 — constellation (P59): Ursa Major. wikidata.org.
[4] ↑ Q81945065 — spectral class (P215): M4V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81945065 — catalog code (P528): 2MASS J09450754+4543247. SIMBAD. wikidata.org.
[6] ↑ Q81945065 — catalog code (P528): SDSS J094507.53+454324.6. SIMBAD. wikidata.org.
[7] ↑ Q81945065 — catalog code (P528): SDSS J094507.54+454324.6. SIMBAD. wikidata.org.
[8] ↑ Q81945065 — catalog code (P528): Gaia DR2 821248290170876672. SIMBAD. wikidata.org.
[9] ↑ Q81945065 — redshift (P1090): {'unit': '1', 'amount': '-0.00005'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[10] ↑ Q81945065 — apparent magnitude (P1215): {'unit': '1', 'amount': '+22.609'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81945065 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.286'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81945065 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.180'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[13] ↑ Q81945065 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.524'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q81945065 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.256'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q81945065 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.869'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[16] ↑ Q81945065 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.330'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[17] ↑ Q81945065 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.490'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[18] ↑ Q81945065 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.0824'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81945065 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.6903'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81945065 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-8'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q81945065 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+270.9807'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q81945065 — SIMBAD ID (P3083): 2MASS J09450754+4543247. wikidata.org.
[23] ↑ Q81945065 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+146.28141174225420'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81945065 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+45.72353113921950'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81945065 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81945065 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+4.480'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81945065 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). Q81945065. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81945065

MLA “Q81945065.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81945065.

BibTeX

@misc{4ortxyz_q81945065_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81945065}}, year = {2026}, url = {https://4ort.xyz/entity/q81945065}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81945065 — https://4ort.xyz/entity/q81945065 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81945065 · Last refreshed: May 7, 2026