2MASSW J2140293+162518

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2MASSW J2140293+162518

Summary

2MASSW J2140293+162518 is a spectroscopic binary^[1].

Key Facts

2MASSW J2140293+162518's instance of is recorded as spectroscopic binary^[2].
2MASSW J2140293+162518's instance of is recorded as double star^[3].
2MASSW J2140293+162518's instance of is recorded as infrared source^[4].
2MASSW J2140293+162518's instance of is recorded as near-infrared source^[5].
2MASSW J2140293+162518's constellation is recorded as Pegasus^[6].
2MASSW J2140293+162518's spectral class is recorded as M8+L0.5:^[7].
2MASSW J2140293+162518's companion of is recorded as 2M 2140+16 b^[8].
2MASSW J2140293+162518's catalog code is recorded as 2MASS J21402931+1625183^[9].
2MASSW J2140293+162518's catalog code is recorded as Gaia DR2 1773355403397635968^[10].
2MASSW J2140293+162518's catalog code is recorded as SDSS J214029.28+162517.5^[11].
2MASSW J2140293+162518's catalog code is recorded as WDS J21405+1625Aa,Ab^[12].
2MASSW J2140293+162518's catalog code is recorded as Gaia DR3 1773355403397635968^[13].
2MASSW J2140293+162518's catalog code is recorded as TIC 301728657^[14].
2MASSW J2140293+162518's catalog code is recorded as WDS J21405+1625A^[15].
2MASSW J2140293+162518's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.26'}^[16].
2MASSW J2140293+162518's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.940'}^[17].
2MASSW J2140293+162518's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.266'}^[18].
2MASSW J2140293+162518's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.826'}^[19].
2MASSW J2140293+162518's apparent magnitude is recorded as {'unit': '1', 'amount': '+24.02'}^[20].
2MASSW J2140293+162518's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.49'}^[21].
2MASSW J2140293+162518's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.644'}^[22].
2MASSW J2140293+162518's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.798'}^[23].
2MASSW J2140293+162518's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.159'}^[24].
2MASSW J2140293+162518's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.36'}^[25].
2MASSW J2140293+162518's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.464983'}^[26].

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Quick Facts

Instance of spectroscopic binary, double star, infrared source, near-infrared source

Properties

Apparent magnitude unit: 1, amount: +12.940, unit: 1, amount: +12.266, unit: 1, amount: +11.826, unit: 1, amount: +24.02, unit: 1, amount: +21.49, unit: 1, amount: +19.644, unit: 1, amount: +16.798, unit: 1, amount: +15.159, unit: 1, amount: +15.36, unit: 1, amount: +17.464983

Argument of periapsis unit: www.wikidata.org, amount: +223

Catalog code 2MASS J21402931+1625183, Gaia DR2 1773355403397635968, SDSS J214029.28+162517.5, WDS J21405+1625Aa,Ab, Gaia DR3 1773355403397635968, TIC 301728657, WDS J21405+1625A

Companion of 2M 2140+16 b

Constellation Pegasus

Declination unit: www.wikidata.org, amount: +16.42169365964

Declination component of proper motion unit: www.wikidata.org, amount: -81.94

Distance from earth unit: www.wikidata.org, amount: +32.776

Effective temperature unit: www.wikidata.org, amount: +2300

Epoch J2000.0

Imported from wholeness_audit_2026-05-02

Mass unit: www.wikidata.org, amount: +20

Orbital eccentricity unit: 1, amount: +0.26

Orbital inclination unit: www.wikidata.org, amount: +46.2

Orbital period unit: www.wikidata.org, amount: +7340

Parallax unit: www.wikidata.org, amount: +30.5098

Radius unit: www.wikidata.org, amount: +0.92

Right ascension unit: www.wikidata.org, amount: +325.12217462784

Right ascension component of proper motion unit: www.wikidata.org, amount: -78.692

Semi-major axis of an orbit unit: www.wikidata.org, amount: +3.53

Spectral class M8+L0.5:

External References (2)

Gaia id 1773355403397635968

Simbad id 2MASS J21402931+1625183

🏷️ Also known as

en 2MASS J21402931+1625183 en 2MASSW J2140293+162518

References

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

Direct Wikidata claims

[2] ↑ 2MASSW J2140293+162518 — instance of (P31): spectroscopic binary. SIMBAD. wikidata.org.
[3] ↑ 2MASSW J2140293+162518 — instance of (P31): double star. SIMBAD. wikidata.org.
[4] ↑ 2MASSW J2140293+162518 — instance of (P31): infrared source. SIMBAD. wikidata.org.
[5] ↑ 2MASSW J2140293+162518 — instance of (P31): near-infrared source. SIMBAD. wikidata.org.
[6] ↑ 2MASSW J2140293+162518 — constellation (P59): Pegasus. wikidata.org.
[7] ↑ 2MASSW J2140293+162518 — spectral class (P215): M8+L0.5:. Individual Dynamical Masses of Ultracool Dwarfs. wikidata.org.
[8] ↑ 2MASSW J2140293+162518 — companion of (P399): 2M 2140+16 b. wikidata.org.
[9] ↑ 2MASSW J2140293+162518 — catalog code (P528): 2MASS J21402931+1625183. SIMBAD. wikidata.org.
[10] ↑ 2MASSW J2140293+162518 — catalog code (P528): Gaia DR2 1773355403397635968. SIMBAD. wikidata.org.
[11] ↑ 2MASSW J2140293+162518 — catalog code (P528): SDSS J214029.28+162517.5. SIMBAD. wikidata.org.
[12] ↑ 2MASSW J2140293+162518 — catalog code (P528): WDS J21405+1625Aa,Ab. SIMBAD. wikidata.org.
[13] ↑ 2MASSW J2140293+162518 — catalog code (P528): Gaia DR3 1773355403397635968. SIMBAD. wikidata.org.
[14] ↑ 2MASSW J2140293+162518 — catalog code (P528): TIC 301728657. SIMBAD. wikidata.org.
[15] ↑ 2MASSW J2140293+162518 — catalog code (P528): WDS J21405+1625A. SIMBAD. wikidata.org.
[16] ↑ 2MASSW J2140293+162518 — orbital eccentricity (P1096): {'unit': '1', 'amount': '+0.26'}. High-precision dynamical masses of very low mass binaries. wikidata.org.
[17] ↑ 2MASSW J2140293+162518 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.940'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ 2MASSW J2140293+162518 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.266'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[19] ↑ 2MASSW J2140293+162518 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.826'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[20] ↑ 2MASSW J2140293+162518 — apparent magnitude (P1215): {'unit': '1', 'amount': '+24.02'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[21] ↑ 2MASSW J2140293+162518 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.49'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[22] ↑ 2MASSW J2140293+162518 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.644'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[23] ↑ 2MASSW J2140293+162518 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.798'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[24] ↑ 2MASSW J2140293+162518 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.159'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[25] ↑ 2MASSW J2140293+162518 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.36'}. The second-generation guide star catalog: description and properties. wikidata.org.
[26] ↑ 2MASSW J2140293+162518 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.464983'}. Gaia Early Data Release 3. wikidata.org.

Class ancestry

[1] ↑ 2MASSW J2140293+162518 is an instance of spectroscopic binary (Q1993624) [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). 2MASSW J2140293+162518. Retrieved May 3, 2026, from https://4ort.xyz/entity/2massw-j2140293-162518

MLA

“2MASSW J2140293+162518.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/2massw-j2140293-162518.

BibTeX

@misc{4ortxyz_2massw-j2140293-162518_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{2MASSW J2140293+162518}}, year = {2026}, url = {https://4ort.xyz/entity/2massw-j2140293-162518}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 2MASSW J2140293+162518 — https://4ort.xyz/entity/2massw-j2140293-162518 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/2massw-j2140293-162518 · Last refreshed: May 3, 2026