Q77024442

Thing brown_dwarf Q77024442

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Q77024442

Summary

Q77024442 is a brown dwarf^[1].

Key Facts

Q77024442's instance of is recorded as brown dwarf^[2].
Q77024442's instance of is recorded as exoplanet^[3].
Q77024442's instance of is recorded as near-infrared source^[4].
Q77024442's constellation is recorded as Serpens^[5].
Q77024442's spectral class is recorded as L3.5gamma^[6].
Q77024442's catalog code is recorded as 2MASS J15515237+0941148^[7].
Q77024442's catalog code is recorded as SDSS J155152.36+094114.6^[8].
Q77024442's catalog code is recorded as WISEA J155152.32+094114.2^[9].
Q77024442's time of discovery or invention is recorded as +2022-00-00T00:00:00Z^[10].
Q77024442's discovery method is recorded as direct imaging^[11].
Q77024442's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.11'}^[12].
Q77024442's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.310'}^[13].
Q77024442's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.319'}^[14].
Q77024442's apparent magnitude is recorded as {'unit': '1', 'amount': '+24.335'}^[15].
Q77024442's apparent magnitude is recorded as {'unit': '1', 'amount': '+25.849'}^[16].
Q77024442's apparent magnitude is recorded as {'unit': '1', 'amount': '+24.322'}^[17].
Q77024442's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.216'}^[18].
Q77024442's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.338'}^[19].
Q77024442's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.114'}^[20].
Q77024442's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+24'}^[21].
Q77024442's radius is recorded as {'unit': 'http://www.wikidata.org/entity/Q3421309', 'amount': '+1.39'}^[22].
Q77024442's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.0221'}^[23].
Q77024442's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+89.3'}^[24].
Q77024442's SIMBAD ID is recorded as 2MASS J15515237+0941148^[25].
Q77024442's Extrasolar Planets Encyclopaedia exoplanet ID is recorded as 2mass_j1551_0941--8079^[26].

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Quick Facts

Instance of brown dwarf, exoplanet, near-infrared source

Properties

Apparent magnitude unit: 1, amount: +15.11, unit: 1, amount: +14.310, unit: 1, amount: +16.319, unit: 1, amount: +24.335, unit: 1, amount: +25.849, unit: 1, amount: +24.322, unit: 1, amount: +21.216, unit: 1, amount: +19.338, unit: 1, amount: +15.114

Catalog code 2MASS J15515237+0941148, SDSS J155152.36+094114.6, WISEA J155152.32+094114.2

Constellation Serpens

Declination unit: www.wikidata.org, amount: +9.6874694

Declination component of proper motion unit: www.wikidata.org, amount: -0.0577

Discovery method direct imaging

Distance from earth unit: www.wikidata.org, amount: +89.3

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Mass unit: www.wikidata.org, amount: +24

Parallax unit: www.wikidata.org, amount: +0.0221

Radius unit: www.wikidata.org, amount: +1.39

Right ascension unit: www.wikidata.org, amount: +237.9682458

Right ascension component of proper motion unit: www.wikidata.org, amount: -0.0621

Spectral class L3.5gamma

Time of discovery or invention 2022

External References (2)

Extrasolar planets encyclopaedia exoplanet id 2mass_j1551_0941--8079

Simbad id 2MASS J15515237+0941148

🏷️ Also known as

en 2MASS J1551+0941

References

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

Direct Wikidata claims

[2] ↑ Q77024442 — instance of (P31): brown dwarf. SIMBAD. wikidata.org.
[3] ↑ Q77024442 — instance of (P31): exoplanet. Extrasolar Planets Encyclopaedia. wikidata.org.
[4] ↑ Q77024442 — instance of (P31): near-infrared source. SIMBAD. wikidata.org.
[5] ↑ Q77024442 — constellation (P59): Serpens. wikidata.org.
[6] ↑ Q77024442 — spectral class (P215): L3.5gamma. Meeting the Cool Neighbors. XII. An Optically Anchored Analysis of the Near-infrared Spectra of L Dwarfs. wikidata.org.
[7] ↑ Q77024442 — catalog code (P528): 2MASS J15515237+0941148. SIMBAD. wikidata.org.
[8] ↑ Q77024442 — catalog code (P528): SDSS J155152.36+094114.6. SIMBAD. wikidata.org.
[9] ↑ Q77024442 — catalog code (P528): WISEA J155152.32+094114.2. SIMBAD. wikidata.org.
[10] ↑ Q77024442 — time of discovery or invention (P575): +2022-00-00T00:00:00Z. Extrasolar Planets Encyclopaedia. wikidata.org.
[11] ↑ Q77024442 — discovery method (P1046): direct imaging. Extrasolar Planets Encyclopaedia. wikidata.org.
[12] ↑ Q77024442 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.11'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[13] ↑ Q77024442 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.310'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q77024442 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.319'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q77024442 — apparent magnitude (P1215): {'unit': '1', 'amount': '+24.335'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[16] ↑ Q77024442 — apparent magnitude (P1215): {'unit': '1', 'amount': '+25.849'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[17] ↑ Q77024442 — apparent magnitude (P1215): {'unit': '1', 'amount': '+24.322'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[18] ↑ Q77024442 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.216'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[19] ↑ Q77024442 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.338'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[20] ↑ Q77024442 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.114'}. SIMBAD. wikidata.org.
[21] ↑ Q77024442 — mass (P2067): {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+24'}. Let the Great World Spin: Revealing the Stormy, Turbulent Nature of Young Giant Exoplanet Analogs with the Spitzer Space Telescope. wikidata.org.
[22] ↑ Q77024442 — radius (P2120): {'unit': 'http://www.wikidata.org/entity/Q3421309', 'amount': '+1.39'}. Let the Great World Spin: Revealing the Stormy, Turbulent Nature of Young Giant Exoplanet Analogs with the Spitzer Space Telescope. wikidata.org.
[23] ↑ Q77024442 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.0221'}. The Hawaii infrared parallax program. II. Young ultracool field dwarfs. wikidata.org.
[24] ↑ Q77024442 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+89.3'}. Colors and kinematics of L dwarfs from the Sloan Digital Sky Survey. wikidata.org.
[25] ↑ Q77024442 — SIMBAD ID (P3083): 2MASS J15515237+0941148. wikidata.org.
[26] ↑ Q77024442 — Extrasolar Planets Encyclopaedia exoplanet ID (P5653): 2mass_j1551_0941--8079. wikidata.org.

Class ancestry

[1] ↑ Q77024442 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). Q77024442. Retrieved May 7, 2026, from https://4ort.xyz/entity/q77024442

MLA “Q77024442.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q77024442.

BibTeX

@misc{4ortxyz_q77024442_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q77024442}}, year = {2026}, url = {https://4ort.xyz/entity/q77024442}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q77024442 — https://4ort.xyz/entity/q77024442 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q77024442 · Last refreshed: May 7, 2026