Q84119991

white dwarf in the constellation Ursa Major

Thing white_dwarf Q84119991

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Q84119991

Summary

Q84119991 is a white dwarf^[1].

Key Facts

Q84119991's instance of is recorded as white dwarf^[2].
Q84119991's constellation is recorded as Ursa Major^[3].
Q84119991's spectral class is recorded as DB^[4].
Q84119991's catalog code is recorded as PB 475^[5].
Q84119991's catalog code is recorded as SDSS J103959.54+400225.0^[6].
Q84119991's catalog code is recorded as SDSS J103959.55+400225.1^[7].
Q84119991's catalog code is recorded as WD 1037+403^[8].
Q84119991's catalog code is recorded as LAMOST J103959.54+400225.0^[9].
Q84119991's catalog code is recorded as Gaia DR2 779443006951919872^[10].
Q84119991's redshift is recorded as {'unit': '1', 'amount': '-0.00002'}^[11].
Q84119991's apparent magnitude is recorded as {'unit': '1', 'amount': '+17'}^[12].
Q84119991's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.700'}^[13].
Q84119991's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.820'}^[14].
Q84119991's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.187'}^[15].
Q84119991's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.448'}^[16].
Q84119991's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.826'}^[17].
Q84119991's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.0350'}^[18].
Q84119991's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.8300'}^[19].
Q84119991's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-6'}^[20].
Q84119991's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+261.0966'}^[21].
Q84119991's SIMBAD ID is recorded as PB 475^[22].
Q84119991's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+159.99815405063020'}^[23].
Q84119991's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+40.04031270968410'}^[24].
Q84119991's epoch is recorded as J2000.0^[25].
Q84119991's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+19565'}^[26].

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +17, unit: 1, amount: +17.700, unit: 1, amount: +17.820, unit: 1, amount: +18.187, unit: 1, amount: +18.448, unit: 1, amount: +18.826, unit: 1, amount: +18.0350

Catalog code PB 475, SDSS J103959.54+400225.0, SDSS J103959.55+400225.1, WD 1037+403, LAMOST J103959.54+400225.0, Gaia DR2 779443006951919872

Constellation Ursa Major

Declination unit: www.wikidata.org, amount: +40.04031270968410

Declination component of proper motion unit: www.wikidata.org, amount: -31.928

Distance from earth unit: www.wikidata.org, amount: +261.0966

Effective temperature unit: www.wikidata.org, amount: +19565

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +3.8300

Radial velocity unit: www.wikidata.org, amount: -6

Redshift unit: 1, amount: -0.00002

Right ascension unit: www.wikidata.org, amount: +159.99815405063020

Right ascension component of proper motion unit: www.wikidata.org, amount: -32.298

Spectral class DB

Surface gravity unit: www.wikidata.org, amount: +76000000

External References (2)

Gaia id 779443006951919872

Simbad id PB 475

References

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

Direct Wikidata claims

[2] ↑ Q84119991 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q84119991 — constellation (P59): Ursa Major. wikidata.org.
[4] ↑ Q84119991 — spectral class (P215): DB. A Catalog of Spectroscopically Confirmed White Dwarfs from the Sloan Digital Sky Survey Data Release 4. wikidata.org.
[5] ↑ Q84119991 — catalog code (P528): PB 475. SIMBAD. wikidata.org.
[6] ↑ Q84119991 — catalog code (P528): SDSS J103959.54+400225.0. SIMBAD. wikidata.org.
[7] ↑ Q84119991 — catalog code (P528): SDSS J103959.55+400225.1. SIMBAD. wikidata.org.
[8] ↑ Q84119991 — catalog code (P528): WD 1037+403. SIMBAD. wikidata.org.
[9] ↑ Q84119991 — catalog code (P528): LAMOST J103959.54+400225.0. SIMBAD. wikidata.org.
[10] ↑ Q84119991 — catalog code (P528): Gaia DR2 779443006951919872. SIMBAD. wikidata.org.
[11] ↑ Q84119991 — redshift (P1090): {'unit': '1', 'amount': '-0.00002'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q84119991 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17'}. SIMBAD. wikidata.org.
[13] ↑ Q84119991 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.700'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[14] ↑ Q84119991 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.820'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[15] ↑ Q84119991 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.187'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[16] ↑ Q84119991 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.448'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[17] ↑ Q84119991 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.826'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[18] ↑ Q84119991 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.0350'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q84119991 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.8300'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q84119991 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-6'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[21] ↑ Q84119991 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+261.0966'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q84119991 — SIMBAD ID (P3083): PB 475. wikidata.org.
[23] ↑ Q84119991 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+159.99815405063020'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q84119991 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+40.04031270968410'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q84119991 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q84119991 — effective temperature (P6879): {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+19565'}. DB white dwarfs in the Sloan Digital Sky Survey data release 10 and 12. wikidata.org.

Class ancestry

[1] ↑ Q84119991 is an instance of white dwarf (Q5871) [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). Q84119991. Retrieved May 7, 2026, from https://4ort.xyz/entity/q84119991

MLA “Q84119991.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q84119991.

BibTeX

@misc{4ortxyz_q84119991_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q84119991}}, year = {2026}, url = {https://4ort.xyz/entity/q84119991}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q84119991 — https://4ort.xyz/entity/q84119991 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q84119991 · Last refreshed: May 7, 2026