Q81943816

low-mass star in the constellation Ursa Major

Thing low_mass_star Q81943816

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Q81943816

Summary

Q81943816 is a low-mass star^[1].

Key Facts

Q81943816's instance of is recorded as low-mass star^[2].
Q81943816's constellation is recorded as Ursa Major^[3].
Q81943816's spectral class is recorded as M9V^[4].
Q81943816's catalog code is recorded as 2MASS J09195936+5755154^[5].
Q81943816's catalog code is recorded as SDSS J091959.35+575515.5^[6].
Q81943816's catalog code is recorded as SDSS J091959.35+575515.4^[7].
Q81943816's catalog code is recorded as Gaia DR2 1026107097635238656^[8].
Q81943816's redshift is recorded as {'unit': '1', 'amount': '-0.00015'}^[9].
Q81943816's apparent magnitude is recorded as {'unit': '1', 'amount': '+25.700'}^[10].
Q81943816's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.881'}^[11].
Q81943816's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.400'}^[12].
Q81943816's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.665'}^[13].
Q81943816's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.073'}^[14].
Q81943816's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.911'}^[15].
Q81943816's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.359'}^[16].
Q81943816's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.863'}^[17].
Q81943816's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.2656'}^[18].
Q81943816's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+15.5312'}^[19].
Q81943816's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-3'}^[20].
Q81943816's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+64.3865'}^[21].
Q81943816's SIMBAD ID is recorded as 2MASS J09195936+5755154^[22].
Q81943816's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+139.99735131713610'}^[23].
Q81943816's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+57.92094910738290'}^[24].
Q81943816's epoch is recorded as J2000.0^[25].
Q81943816's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+31.080'}^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +25.700, unit: 1, amount: +22.881, unit: 1, amount: +21.400, unit: 1, amount: +18.665, unit: 1, amount: +17.073, unit: 1, amount: +14.911, unit: 1, amount: +14.359, unit: 1, amount: +13.863, unit: 1, amount: +19.2656

Catalog code 2MASS J09195936+5755154, SDSS J091959.35+575515.5, SDSS J091959.35+575515.4, Gaia DR2 1026107097635238656

Constellation Ursa Major

Declination unit: www.wikidata.org, amount: +57.92094910738290

Declination component of proper motion unit: www.wikidata.org, amount: +31.080

Distance from earth unit: www.wikidata.org, amount: +64.3865

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +15.5312

Radial velocity unit: www.wikidata.org, amount: -3

Redshift unit: 1, amount: -0.00015

Right ascension unit: www.wikidata.org, amount: +139.99735131713610

Right ascension component of proper motion unit: www.wikidata.org, amount: +36.532

Spectral class M9V

External References (2)

Gaia id 1026107097635238656

Simbad id 2MASS J09195936+5755154

References

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

Direct Wikidata claims

[2] ↑ Q81943816 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81943816 — constellation (P59): Ursa Major. wikidata.org.
[4] ↑ Q81943816 — spectral class (P215): M9V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81943816 — catalog code (P528): 2MASS J09195936+5755154. SIMBAD. wikidata.org.
[6] ↑ Q81943816 — catalog code (P528): SDSS J091959.35+575515.5. SIMBAD. wikidata.org.
[7] ↑ Q81943816 — catalog code (P528): SDSS J091959.35+575515.4. SIMBAD. wikidata.org.
[8] ↑ Q81943816 — catalog code (P528): Gaia DR2 1026107097635238656. SIMBAD. wikidata.org.
[9] ↑ Q81943816 — redshift (P1090): {'unit': '1', 'amount': '-0.00015'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[10] ↑ Q81943816 — apparent magnitude (P1215): {'unit': '1', 'amount': '+25.700'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81943816 — apparent magnitude (P1215): {'unit': '1', 'amount': '+22.881'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81943816 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.400'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81943816 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.665'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81943816 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.073'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q81943816 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.911'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81943816 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.359'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81943816 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.863'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q81943816 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.2656'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81943816 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+15.5312'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81943816 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-3'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q81943816 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+64.3865'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q81943816 — SIMBAD ID (P3083): 2MASS J09195936+5755154. wikidata.org.
[23] ↑ Q81943816 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+139.99735131713610'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81943816 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+57.92094910738290'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81943816 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81943816 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+31.080'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81943816 is an instance of low-mass star (Q12795622) [P31, primary]. Wikidata. wikidata.org.

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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). Q81943816. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81943816

MLA “Q81943816.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81943816.

BibTeX

@misc{4ortxyz_q81943816_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81943816}}, year = {2026}, url = {https://4ort.xyz/entity/q81943816}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81943816 — https://4ort.xyz/entity/q81943816 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81943816 · Last refreshed: May 7, 2026