Q81756080

white dwarf in the constellation Cetus

Thing white_dwarf Q81756080

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Q81756080

Summary

Q81756080 is a white dwarf^[1].

Key Facts

Q81756080's instance of is recorded as white dwarf^[2].
Q81756080's constellation is recorded as Cetus^[3].
Q81756080's spectral class is recorded as M2V^[4].
Q81756080's catalog code is recorded as 2MASS J02495338+0005025^[5].
Q81756080's catalog code is recorded as SDSS J024953.38+000502.3^[6].
Q81756080's catalog code is recorded as [RGS2010] J024953.38+000502.3^[7].
Q81756080's catalog code is recorded as [SGR2010] J0249+0005^[8].
Q81756080's catalog code is recorded as [SGR2010] J024953.38+000502.3^[9].
Q81756080's catalog code is recorded as WD 0247-001^[10].
Q81756080's catalog code is recorded as SDSS J024953.38+000502.4^[11].
Q81756080's catalog code is recorded as Gaia DR2 2498188652799618816^[12].
Q81756080's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.678'}^[13].
Q81756080's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.502'}^[14].
Q81756080's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.642'}^[15].
Q81756080's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.338'}^[16].
Q81756080's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.362'}^[17].
Q81756080's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.271'}^[18].
Q81756080's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.757'}^[19].
Q81756080's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.507'}^[20].
Q81756080's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.9631'}^[21].
Q81756080's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.5189'}^[22].
Q81756080's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-58'}^[23].
Q81756080's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+396.9987'}^[24].
Q81756080's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+42.47237853079490'}^[25].
Q81756080's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.08399720020600'}^[26].

Body

Definition and Type

Q81756080's instance of is recorded as white dwarf^[2].

⭐ Popularity Graph

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +20.678, unit: 1, amount: +19.502, unit: 1, amount: +16.642, unit: 1, amount: +15.338, unit: 1, amount: +18.362, unit: 1, amount: +17.271, unit: 1, amount: +14.757, unit: 1, amount: +14.507, unit: 1, amount: +17.9631

Catalog code 2MASS J02495338+0005025, SDSS J024953.38+000502.3, [RGS2010] J024953.38+000502.3, [SGR2010] J0249+0005, [SGR2010] J024953.38+000502.3, WD 0247-001, SDSS J024953.38+000502.4, Gaia DR2 2498188652799618816

Constellation Cetus

Declination unit: www.wikidata.org, amount: +0.08399720020600

Declination component of proper motion unit: www.wikidata.org, amount: -34.198

Distance from earth unit: www.wikidata.org, amount: +396.9987

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +2.5189

Radial velocity unit: www.wikidata.org, amount: -58

Right ascension unit: www.wikidata.org, amount: +42.47237853079490

Right ascension component of proper motion unit: www.wikidata.org, amount: +62.439

Spectral class M2V

External References (2)

Gaia id 2498188652799618816

Simbad id SDSS J024953.38+000502.3

References

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

Direct Wikidata claims

[2] ↑ Q81756080 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q81756080 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q81756080 — spectral class (P215): M2V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81756080 — catalog code (P528): 2MASS J02495338+0005025. SIMBAD. wikidata.org.
[6] ↑ Q81756080 — catalog code (P528): SDSS J024953.38+000502.3. SIMBAD. wikidata.org.
[7] ↑ Q81756080 — catalog code (P528): [RGS2010] J024953.38+000502.3. SIMBAD. wikidata.org.
[8] ↑ Q81756080 — catalog code (P528): [SGR2010] J0249+0005. SIMBAD. wikidata.org.
[9] ↑ Q81756080 — catalog code (P528): [SGR2010] J024953.38+000502.3. SIMBAD. wikidata.org.
[10] ↑ Q81756080 — catalog code (P528): WD 0247-001. SIMBAD. wikidata.org.
[11] ↑ Q81756080 — catalog code (P528): SDSS J024953.38+000502.4. SIMBAD. wikidata.org.
[12] ↑ Q81756080 — catalog code (P528): Gaia DR2 2498188652799618816. SIMBAD. wikidata.org.
[13] ↑ Q81756080 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.678'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81756080 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.502'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q81756080 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.642'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[16] ↑ Q81756080 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.338'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81756080 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.362'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[18] ↑ Q81756080 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.271'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[19] ↑ Q81756080 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.757'}. Post-common envelope binaries from SDSS - VII. A catalogue of white dwarf-main sequence binaries. wikidata.org.
[20] ↑ Q81756080 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.507'}. Post-common envelope binaries from SDSS - VII. A catalogue of white dwarf-main sequence binaries. wikidata.org.
[21] ↑ Q81756080 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.9631'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q81756080 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.5189'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81756080 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-58'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[24] ↑ Q81756080 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+396.9987'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81756080 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+42.47237853079490'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81756080 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.08399720020600'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81756080 is an instance of white dwarf (Q5871) [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). Q81756080. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81756080

MLA “Q81756080.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81756080.

BibTeX

@misc{4ortxyz_q81756080_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81756080}}, year = {2026}, url = {https://4ort.xyz/entity/q81756080}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81756080 — https://4ort.xyz/entity/q81756080 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81756080 · Last refreshed: May 7, 2026