Q81942001

Thing brown_dwarf Q81942001

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Q81942001

Summary

Q81942001 is a brown dwarf^[1].

Key Facts

Q81942001's instance of is recorded as brown dwarf^[2].
Q81942001's constellation is recorded as Cancer^[3].
Q81942001's spectral class is recorded as M9V^[4].
Q81942001's catalog code is recorded as 2MASS J08005428+2413172^[5].
Q81942001's catalog code is recorded as SDSS J080054.26+241316.8^[6].
Q81942001's catalog code is recorded as SDSS J080054.27+241316.8^[7].
Q81942001's catalog code is recorded as SDSS J080054.27+241316.9^[8].
Q81942001's catalog code is recorded as Gaia DR2 681318049508583040^[9].
Q81942001's redshift is recorded as {'unit': '1', 'amount': '-0.00015'}^[10].
Q81942001's apparent magnitude is recorded as {'unit': '1', 'amount': '+23.143'}^[11].
Q81942001's apparent magnitude is recorded as {'unit': '1', 'amount': '+23.577'}^[12].
Q81942001's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.063'}^[13].
Q81942001's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.374'}^[14].
Q81942001's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.684'}^[15].
Q81942001's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.798'}^[16].
Q81942001's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.990'}^[17].
Q81942001's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.684'}^[18].
Q81942001's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.1552'}^[19].
Q81942001's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+9.4132'}^[20].
Q81942001's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+30'}^[21].
Q81942001's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+106.2338'}^[22].
Q81942001's SIMBAD ID is recorded as 2MASS J08005428+2413172^[23].
Q81942001's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+120.22617787448630'}^[24].
Q81942001's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+24.22143048628130'}^[25].
Q81942001's epoch is recorded as J2000.0^[26].

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Quick Facts

Instance of brown dwarf

Properties

Apparent magnitude unit: 1, amount: +23.143, unit: 1, amount: +23.577, unit: 1, amount: +22.063, unit: 1, amount: +19.374, unit: 1, amount: +17.684, unit: 1, amount: +15.798, unit: 1, amount: +14.990, unit: 1, amount: +14.684, unit: 1, amount: +20.1552

Catalog code 2MASS J08005428+2413172, SDSS J080054.26+241316.8, SDSS J080054.27+241316.8, SDSS J080054.27+241316.9, Gaia DR2 681318049508583040

Constellation Cancer

Declination unit: www.wikidata.org, amount: +24.22143048628130

Declination component of proper motion unit: www.wikidata.org, amount: -57.560

Distance from earth unit: www.wikidata.org, amount: +106.2338

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +9.4132

Radial velocity unit: www.wikidata.org, amount: +30

Redshift unit: 1, amount: -0.00015

Right ascension unit: www.wikidata.org, amount: +120.22617787448630

Right ascension component of proper motion unit: www.wikidata.org, amount: -26.035

Spectral class M9V

External References (2)

Gaia id 681318049508583040

Simbad id 2MASS J08005428+2413172

References

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

Direct Wikidata claims

[2] ↑ Q81942001 — instance of (P31): brown dwarf. SIMBAD. wikidata.org.
[3] ↑ Q81942001 — constellation (P59): Cancer. wikidata.org.
[4] ↑ Q81942001 — spectral class (P215): M9V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81942001 — catalog code (P528): 2MASS J08005428+2413172. SIMBAD. wikidata.org.
[6] ↑ Q81942001 — catalog code (P528): SDSS J080054.26+241316.8. SIMBAD. wikidata.org.
[7] ↑ Q81942001 — catalog code (P528): SDSS J080054.27+241316.8. SIMBAD. wikidata.org.
[8] ↑ Q81942001 — catalog code (P528): SDSS J080054.27+241316.9. SIMBAD. wikidata.org.
[9] ↑ Q81942001 — catalog code (P528): Gaia DR2 681318049508583040. SIMBAD. wikidata.org.
[10] ↑ Q81942001 — redshift (P1090): {'unit': '1', 'amount': '-0.00015'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[11] ↑ Q81942001 — apparent magnitude (P1215): {'unit': '1', 'amount': '+23.143'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81942001 — apparent magnitude (P1215): {'unit': '1', 'amount': '+23.577'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81942001 — apparent magnitude (P1215): {'unit': '1', 'amount': '+22.063'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81942001 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.374'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q81942001 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.684'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[16] ↑ Q81942001 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.798'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81942001 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.990'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q81942001 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.684'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[19] ↑ Q81942001 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.1552'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81942001 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+9.4132'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q81942001 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+30'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q81942001 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+106.2338'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81942001 — SIMBAD ID (P3083): 2MASS J08005428+2413172. wikidata.org.
[24] ↑ Q81942001 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+120.22617787448630'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81942001 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+24.22143048628130'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81942001 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81942001 is an instance of brown dwarf (Q101600) [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). Q81942001. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81942001

MLA “Q81942001.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81942001.

BibTeX

@misc{4ortxyz_q81942001_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81942001}}, year = {2026}, url = {https://4ort.xyz/entity/q81942001}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81942001 — https://4ort.xyz/entity/q81942001 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81942001 · Last refreshed: May 7, 2026