Q82809311

white dwarf in the constellation Cetus

Thing white_dwarf Q82809311

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Q82809311

Summary

Q82809311 is a white dwarf^[1].

Key Facts

Q82809311's instance of is recorded as white dwarf^[2].
Q82809311's constellation is recorded as Cetus^[3].
Q82809311's spectral class is recorded as DC^[4].
Q82809311's catalog code is recorded as WD 0306+002.1^[5].
Q82809311's catalog code is recorded as 2MASS J03092486+0025256^[6].
Q82809311's catalog code is recorded as SDSS J030924.87+002525.3^[7].
Q82809311's catalog code is recorded as SDSS J030924.87+002525.1^[8].
Q82809311's catalog code is recorded as Gaia DR2 3266873724451739776^[9].
Q82809311's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.143'}^[10].
Q82809311's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.447'}^[11].
Q82809311's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.64'}^[12].
Q82809311's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.54'}^[13].
Q82809311's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.87'}^[14].
Q82809311's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.200'}^[15].
Q82809311's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.707'}^[16].
Q82809311's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.484'}^[17].
Q82809311's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.7403'}^[18].
Q82809311's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+23.2734'}^[19].
Q82809311's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+42.9675'}^[20].
Q82809311's SIMBAD ID is recorded as SDSS J030924.87+002525.3^[21].
Q82809311's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+47.35364850571680'}^[22].
Q82809311's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.42377199074960'}^[23].
Q82809311's epoch is recorded as J2000.0^[24].
Q82809311's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+5610'}^[25].
Q82809311's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+95000000'}^[26].

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +19.143, unit: 1, amount: +17.447, unit: 1, amount: +16.64, unit: 1, amount: +16.54, unit: 1, amount: +16.87, unit: 1, amount: +18.200, unit: 1, amount: +17.707, unit: 1, amount: +17.484, unit: 1, amount: +17.7403

Catalog code WD 0306+002.1, 2MASS J03092486+0025256, SDSS J030924.87+002525.3, SDSS J030924.87+002525.1, Gaia DR2 3266873724451739776

Constellation Cetus

Declination unit: www.wikidata.org, amount: +0.42377199074960

Declination component of proper motion unit: www.wikidata.org, amount: -105.910

Distance from earth unit: www.wikidata.org, amount: +42.9675

Effective temperature unit: www.wikidata.org, amount: +5610

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +23.2734

Right ascension unit: www.wikidata.org, amount: +47.35364850571680

Right ascension component of proper motion unit: www.wikidata.org, amount: -1.367

Spectral class DC

Surface gravity unit: www.wikidata.org, amount: +95000000

External References (2)

Gaia id 3266873724451739776

Simbad id SDSS J030924.87+002525.3

References

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

Direct Wikidata claims

[2] ↑ Q82809311 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q82809311 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q82809311 — spectral class (P215): DC. Cool White Dwarfs in the Sloan Digital Sky Survey. wikidata.org.
[5] ↑ Q82809311 — catalog code (P528): WD 0306+002.1. SIMBAD. wikidata.org.
[6] ↑ Q82809311 — catalog code (P528): 2MASS J03092486+0025256. SIMBAD. wikidata.org.
[7] ↑ Q82809311 — catalog code (P528): SDSS J030924.87+002525.3. SIMBAD. wikidata.org.
[8] ↑ Q82809311 — catalog code (P528): SDSS J030924.87+002525.1. SIMBAD. wikidata.org.
[9] ↑ Q82809311 — catalog code (P528): Gaia DR2 3266873724451739776. SIMBAD. wikidata.org.
[10] ↑ Q82809311 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.143'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q82809311 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.447'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q82809311 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.64'}. A detailed model atmosphere analysis of cool white dwarfs in the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q82809311 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.54'}. A detailed model atmosphere analysis of cool white dwarfs in the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q82809311 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.87'}. A detailed model atmosphere analysis of cool white dwarfs in the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q82809311 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.200'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[16] ↑ Q82809311 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.707'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[17] ↑ Q82809311 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.484'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[18] ↑ Q82809311 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.7403'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q82809311 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+23.2734'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q82809311 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+42.9675'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q82809311 — SIMBAD ID (P3083): SDSS J030924.87+002525.3. wikidata.org.
[22] ↑ Q82809311 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+47.35364850571680'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q82809311 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.42377199074960'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q82809311 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[25] ↑ Q82809311 — effective temperature (P6879): {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+5610'}. Ultracool white dwarfs and the age of the Galactic disc. wikidata.org.
[26] ↑ Q82809311 — surface gravity (P7015): {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+95000000'}. Ultracool white dwarfs and the age of the Galactic disc. wikidata.org.

Class ancestry

[1] ↑ Q82809311 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). Q82809311. Retrieved May 7, 2026, from https://4ort.xyz/entity/q82809311

MLA “Q82809311.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q82809311.

BibTeX

@misc{4ortxyz_q82809311_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q82809311}}, year = {2026}, url = {https://4ort.xyz/entity/q82809311}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q82809311 — https://4ort.xyz/entity/q82809311 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q82809311 · Last refreshed: May 7, 2026