Q92787869

white dwarf in the constellation Aquarius

Thing white_dwarf Q92787869

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Q92787869

Summary

Q92787869 is a white dwarf^[1].

Key Facts

Q92787869's instance of is recorded as white dwarf^[2].
Q92787869's constellation is recorded as Aquarius^[3].
Q92787869's spectral class is recorded as DC^[4].
Q92787869's catalog code is recorded as SDSS J204158.97+000325.4^[5].
Q92787869's catalog code is recorded as SDSS J204158.98+000325.4^[6].
Q92787869's catalog code is recorded as WD 2039-001^[7].
Q92787869's catalog code is recorded as Gaia DR2 4228097889313031808^[8].
Q92787869's redshift is recorded as {'unit': '1', 'amount': '+0.00020'}^[9].
Q92787869's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.06'}^[10].
Q92787869's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.35'}^[11].
Q92787869's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.801'}^[12].
Q92787869's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.66'}^[13].
Q92787869's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.81'}^[14].
Q92787869's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.31'}^[15].
Q92787869's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.357'}^[16].
Q92787869's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.0870'}^[17].
Q92787869's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+60'}^[18].
Q92787869's SIMBAD ID is recorded as GALEX J204159.0+000326^[19].
Q92787869's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+310.49573109405070'}^[20].
Q92787869's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.05704817479820'}^[21].
Q92787869's epoch is recorded as J2000.0^[22].
Q92787869's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+95274'}^[23].
Q92787869's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+320000'}^[24].
Q92787869's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-5'}^[25].
Q92787869's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+1'}^[26].

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +19.06, unit: 1, amount: +18.35, unit: 1, amount: +18.801, unit: 1, amount: +19.66, unit: 1, amount: +19.81, unit: 1, amount: +19.31, unit: 1, amount: +18.357, unit: 1, amount: +19.0870

Catalog code SDSS J204158.97+000325.4, SDSS J204158.98+000325.4, WD 2039-001, Gaia DR2 4228097889313031808

Constellation Aquarius

Declination unit: www.wikidata.org, amount: +0.05704817479820

Declination component of proper motion unit: www.wikidata.org, amount: -5

Effective temperature unit: www.wikidata.org, amount: +95274

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Radial velocity unit: www.wikidata.org, amount: +60

Redshift unit: 1, amount: +0.00020

Right ascension unit: www.wikidata.org, amount: +310.49573109405070

Right ascension component of proper motion unit: www.wikidata.org, amount: +1

Spectral class DC

Surface gravity unit: www.wikidata.org, amount: +320000

External References (2)

Gaia id 4228097889313031808

Simbad id GALEX J204159.0+000326

References

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

Direct Wikidata claims

[2] ↑ Q92787869 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q92787869 — constellation (P59): Aquarius. wikidata.org.
[4] ↑ Q92787869 — spectral class (P215): DC. A photometric selection of white dwarf candidates in Sloan Digital Sky Survey Data Release 10. wikidata.org.
[5] ↑ Q92787869 — catalog code (P528): SDSS J204158.97+000325.4. SIMBAD. wikidata.org.
[6] ↑ Q92787869 — catalog code (P528): SDSS J204158.98+000325.4. SIMBAD. wikidata.org.
[7] ↑ Q92787869 — catalog code (P528): WD 2039-001. SIMBAD. wikidata.org.
[8] ↑ Q92787869 — catalog code (P528): Gaia DR2 4228097889313031808. SIMBAD. wikidata.org.
[9] ↑ Q92787869 — redshift (P1090): {'unit': '1', 'amount': '+0.00020'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[10] ↑ Q92787869 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.06'}. SIMBAD. wikidata.org.
[11] ↑ Q92787869 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.35'}. SIMBAD. wikidata.org.
[12] ↑ Q92787869 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.801'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[13] ↑ Q92787869 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.66'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[14] ↑ Q92787869 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.81'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[15] ↑ Q92787869 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.31'}. SDSS DR7 white dwarf catalog. wikidata.org.
[16] ↑ Q92787869 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.357'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[17] ↑ Q92787869 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.0870'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q92787869 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+60'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[19] ↑ Q92787869 — SIMBAD ID (P3083): GALEX J204159.0+000326. wikidata.org.
[20] ↑ Q92787869 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+310.49573109405070'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q92787869 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.05704817479820'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q92787869 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[23] ↑ Q92787869 — effective temperature (P6879): {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+95274'}. SDSS DR7 white dwarf catalog. wikidata.org.
[24] ↑ Q92787869 — surface gravity (P7015): {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+320000'}. SDSS DR7 white dwarf catalog. wikidata.org.
[25] ↑ Q92787869 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-5'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[26] ↑ Q92787869 — right ascension component of proper motion (P10752): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+1'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.

Class ancestry

[1] ↑ Q92787869 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). Q92787869. Retrieved May 7, 2026, from https://4ort.xyz/entity/q92787869

MLA “Q92787869.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q92787869.

BibTeX

@misc{4ortxyz_q92787869_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q92787869}}, year = {2026}, url = {https://4ort.xyz/entity/q92787869}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q92787869 — https://4ort.xyz/entity/q92787869 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q92787869 · Last refreshed: May 7, 2026