2MUCD 11538

brown dwarf

Thing brown_dwarf Q222687

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2MUCD 11538

Summary

2MUCD 11538 is a brown dwarf^[1].

Key Facts

2MUCD 11538's instance of is recorded as brown dwarf^[2].
2MUCD 11538's instance of is recorded as star^[3].
2MUCD 11538's instance of is recorded as infrared source^[4].
2MUCD 11538's constellation is recorded as Hercules^[5].
2MUCD 11538's spectral class is recorded as L4gamma^[6].
2MUCD 11538's catalog code is recorded as 2MASS J16154255+4953211^[7].
2MUCD 11538's catalog code is recorded as SDSS J161542.54+495321.2^[8].
2MUCD 11538's catalog code is recorded as WISE J161542.45+495321.3^[9].
2MUCD 11538's catalog code is recorded as 2MASSI J1615425+495321^[10].
2MUCD 11538's catalog code is recorded as 2MUCD 11538^[11].
2MUCD 11538's catalog code is recorded as WISEP J161542.46+495321.3^[12].
2MUCD 11538's catalog code is recorded as WISEA J161542.44+495321.3^[13].
2MUCD 11538's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.789'}^[14].
2MUCD 11538's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.332'}^[15].
2MUCD 11538's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.31'}^[16].
2MUCD 11538's apparent magnitude is recorded as {'unit': '1', 'amount': '+26.32'}^[17].
2MUCD 11538's apparent magnitude is recorded as {'unit': '1', 'amount': '+26.18'}^[18].
2MUCD 11538's apparent magnitude is recorded as {'unit': '1', 'amount': '+24.22'}^[19].
2MUCD 11538's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.84'}^[20].
2MUCD 11538's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.82'}^[21].
2MUCD 11538's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.306'}^[22].
2MUCD 11538's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.0320'}^[23].
2MUCD 11538's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-25.59'}^[24].
2MUCD 11538's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+71.0'}^[25].
2MUCD 11538's Google Knowledge Graph ID is recorded as /g/1z3t2plks^[26].

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Quick Facts

Instance of brown dwarf, star, infrared source

Properties

Apparent magnitude unit: 1, amount: +16.789, unit: 1, amount: +15.332, unit: 1, amount: +14.31, unit: 1, amount: +26.32, unit: 1, amount: +26.18, unit: 1, amount: +24.22, unit: 1, amount: +21.84, unit: 1, amount: +19.82, unit: 1, amount: +14.306

Catalog code 2MASS J16154255+4953211, SDSS J161542.54+495321.2, WISE J161542.45+495321.3, 2MASSI J1615425+495321, 2MUCD 11538, WISEP J161542.46+495321.3, WISEA J161542.44+495321.3

Constellation Hercules

Declination unit: www.wikidata.org, amount: +49.8892139, unit: www.wikidata.org, amount: +49.889214000

Declination component of proper motion unit: www.wikidata.org, amount: +0.015, unit: www.wikidata.org, amount: +0.0152

Distance from earth unit: www.wikidata.org, amount: +71.0

Epoch J2000.0

Imported from wholeness_audit_2026-05-02

Parallax unit: www.wikidata.org, amount: +0.0320

Radial velocity unit: www.wikidata.org, amount: -25.59

Right ascension unit: www.wikidata.org, amount: +243.9273000, unit: www.wikidata.org, amount: +243.927302000

Right ascension component of proper motion unit: www.wikidata.org, amount: -0.092, unit: www.wikidata.org, amount: -0.0928

Spectral class L4gamma

External References (2)

Google knowledge graph id /g/1z3t2plks

Simbad id 2MASS J16154255+4953211

References

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

Direct Wikidata claims

[2] ↑ 2MUCD 11538 — instance of (P31): brown dwarf. SIMBAD. wikidata.org.
[3] ↑ 2MUCD 11538 — instance of (P31): star. SIMBAD. wikidata.org.
[4] ↑ 2MUCD 11538 — instance of (P31): infrared source. SIMBAD. wikidata.org.
[5] ↑ 2MUCD 11538 — constellation (P59): Hercules. wikidata.org.
[6] ↑ 2MUCD 11538 — spectral class (P215): L4gamma. Meeting the Cool Neighbors. XII. An Optically Anchored Analysis of the Near-infrared Spectra of L Dwarfs. wikidata.org.
[7] ↑ 2MUCD 11538 — catalog code (P528): 2MASS J16154255+4953211. SIMBAD. wikidata.org.
[8] ↑ 2MUCD 11538 — catalog code (P528): SDSS J161542.54+495321.2. SIMBAD. wikidata.org.
[9] ↑ 2MUCD 11538 — catalog code (P528): WISE J161542.45+495321.3. SIMBAD. wikidata.org.
[10] ↑ 2MUCD 11538 — catalog code (P528): 2MASSI J1615425+495321. SIMBAD. wikidata.org.
[11] ↑ 2MUCD 11538 — catalog code (P528): 2MUCD 11538. SIMBAD. wikidata.org.
[12] ↑ 2MUCD 11538 — catalog code (P528): WISEP J161542.46+495321.3. SIMBAD. wikidata.org.
[13] ↑ 2MUCD 11538 — catalog code (P528): WISEA J161542.44+495321.3. SIMBAD. wikidata.org.
[14] ↑ 2MUCD 11538 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.789'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ 2MUCD 11538 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.332'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ 2MUCD 11538 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.31'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ 2MUCD 11538 — apparent magnitude (P1215): {'unit': '1', 'amount': '+26.32'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[18] ↑ 2MUCD 11538 — apparent magnitude (P1215): {'unit': '1', 'amount': '+26.18'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[19] ↑ 2MUCD 11538 — apparent magnitude (P1215): {'unit': '1', 'amount': '+24.22'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[20] ↑ 2MUCD 11538 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.84'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[21] ↑ 2MUCD 11538 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.82'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[22] ↑ 2MUCD 11538 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.306'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[23] ↑ 2MUCD 11538 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.0320'}. The Hawaii infrared parallax program. II. Young ultracool field dwarfs. wikidata.org.
[24] ↑ 2MUCD 11538 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-25.59'}. Population properties of brown dwarf analogs to exoplanets. wikidata.org.
[25] ↑ 2MUCD 11538 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+71.0'}. Colors and kinematics of L dwarfs from the Sloan Digital Sky Survey. wikidata.org.
[26] ↑ 2MUCD 11538 — Google Knowledge Graph ID (P2671): /g/1z3t2plks. wikidata.org.

Class ancestry

[1] ↑ 2MUCD 11538 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). 2MUCD 11538. Retrieved May 3, 2026, from https://4ort.xyz/entity/2mucd-11538

MLA “2MUCD 11538.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/2mucd-11538.

BibTeX

@misc{4ortxyz_2mucd-11538_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{2MUCD 11538}}, year = {2026}, url = {https://4ort.xyz/entity/2mucd-11538}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 2MUCD 11538 — https://4ort.xyz/entity/2mucd-11538 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/2mucd-11538 · Last refreshed: May 3, 2026