2MASS J08202996+4500315

brown dwarf

Thing brown_dwarf Q222359

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2MASS J08202996+4500315

Summary

2MASS J08202996+4500315 is a brown dwarf^[1].

Key Facts

2MASS J08202996+4500315's instance of is recorded as brown dwarf^[2].
2MASS J08202996+4500315's constellation is recorded as Lynx^[3].
2MASS J08202996+4500315's spectral class is recorded as L7^[4].
2MASS J08202996+4500315's catalog code is recorded as 2MASS J08202996+4500315^[5].
2MASS J08202996+4500315's catalog code is recorded as SDSS J082029.92+450030.6^[6].
2MASS J08202996+4500315's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.279'}^[7].
2MASS J08202996+4500315's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.000'}^[8].
2MASS J08202996+4500315's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.218'}^[9].
2MASS J08202996+4500315's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.42'}^[10].
2MASS J08202996+4500315's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.31'}^[11].
2MASS J08202996+4500315's apparent magnitude is recorded as {'unit': '1', 'amount': '+25.10'}^[12].
2MASS J08202996+4500315's apparent magnitude is recorded as {'unit': '1', 'amount': '+24.70'}^[13].
2MASS J08202996+4500315's apparent magnitude is recorded as {'unit': '1', 'amount': '+24.43'}^[14].
2MASS J08202996+4500315's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+42.7'}^[15].
2MASS J08202996+4500315's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+125.1248375'}^[16].
2MASS J08202996+4500315's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+45.0087556'}^[17].
2MASS J08202996+4500315's epoch is recorded as J2000.0^[18].
2MASS J08202996+4500315's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-296'}^[19].
2MASS J08202996+4500315's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-132'}^[20].

Body

Definition and Type

2MASS J08202996+4500315's instance of is recorded as brown dwarf^[2].

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Quick Facts

Instance of brown dwarf

Properties

Apparent magnitude unit: 1, amount: +16.279, unit: 1, amount: +15.000, unit: 1, amount: +14.218, unit: 1, amount: +21.42, unit: 1, amount: +19.31, unit: 1, amount: +25.10, unit: 1, amount: +24.70, unit: 1, amount: +24.43

Catalog code 2MASS J08202996+4500315, SDSS J082029.92+450030.6

Constellation Lynx

Declination unit: www.wikidata.org, amount: +45.0087556

Declination component of proper motion unit: www.wikidata.org, amount: -296

Distance from earth unit: www.wikidata.org, amount: +42.7

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Right ascension unit: www.wikidata.org, amount: +125.1248375

Right ascension component of proper motion unit: www.wikidata.org, amount: -132

Spectral class L7

External References (2)

Google knowledge graph id /g/1z3t26xcm

Simbad id 2MASSW J0820299+450031

References

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

Direct Wikidata claims

[2] ↑ Q222359 — instance of (P31): brown dwarf. SIMBAD. wikidata.org.
[3] ↑ Q222359 — constellation (P59): Lynx. wikidata.org.
[4] ↑ Q222359 — spectral class (P215): L7. Discovery of the young L dwarf WISE J174102.78-464225.5. wikidata.org.
[5] ↑ Q222359 — catalog code (P528): 2MASS J08202996+4500315. SIMBAD. wikidata.org.
[6] ↑ Q222359 — catalog code (P528): SDSS J082029.92+450030.6. SIMBAD. wikidata.org.
[7] ↑ Q222359 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.279'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[8] ↑ Q222359 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.000'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[9] ↑ Q222359 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.218'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[10] ↑ Q222359 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.42'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[11] ↑ Q222359 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.31'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[12] ↑ Q222359 — apparent magnitude (P1215): {'unit': '1', 'amount': '+25.10'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[13] ↑ Q222359 — apparent magnitude (P1215): {'unit': '1', 'amount': '+24.70'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[14] ↑ Q222359 — apparent magnitude (P1215): {'unit': '1', 'amount': '+24.43'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[15] ↑ Q222359 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+42.7'}. Colors and kinematics of L dwarfs from the Sloan Digital Sky Survey. wikidata.org.
[16] ↑ Q222359 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+125.1248375'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q222359 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+45.0087556'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q222359 — epoch (P6259): J2000.0. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[19] ↑ Q222359 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-296'}. Colors and kinematics of L dwarfs from the Sloan Digital Sky Survey. wikidata.org.
[20] ↑ Q222359 — right ascension component of proper motion (P10752): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-132'}. Colors and kinematics of L dwarfs from the Sloan Digital Sky Survey. wikidata.org.

Class ancestry

[1] ↑ Q222359 is an instance of brown dwarf (Q101600) [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). 2MASS J08202996+4500315. Retrieved May 7, 2026, from https://4ort.xyz/entity/q222359

MLA “2MASS J08202996+4500315.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q222359.

BibTeX

@misc{4ortxyz_q222359_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{2MASS J08202996+4500315}}, year = {2026}, url = {https://4ort.xyz/entity/q222359}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 2MASS J08202996+4500315 — https://4ort.xyz/entity/q222359 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q222359 · Last refreshed: May 7, 2026