Q80605755

white dwarf in the constellation Ursa Major

Thing white_dwarf Q80605755

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Q80605755

Summary

Q80605755 is a white dwarf^[1].

Key Facts

Q80605755's instance of is recorded as white dwarf^[2].
Q80605755's constellation is recorded as Ursa Major^[3].
Q80605755's spectral class is recorded as DA^[4].
Q80605755's catalog code is recorded as US 857^[5].
Q80605755's catalog code is recorded as SDSS J094219.56+471404.0^[6].
Q80605755's catalog code is recorded as SDSS J094219.55+471404.0^[7].
Q80605755's catalog code is recorded as WD 0939+474^[8].
Q80605755's catalog code is recorded as SDSS J094219.54+471404.0^[9].
Q80605755's catalog code is recorded as Gaia DR2 824799781447798784^[10].
Q80605755's redshift is recorded as {'unit': '1', 'amount': '+0.00039'}^[11].
Q80605755's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.7'}^[12].
Q80605755's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.800'}^[13].
Q80605755's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.927'}^[14].
Q80605755's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.160'}^[15].
Q80605755's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.581'}^[16].
Q80605755's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.424'}^[17].
Q80605755's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.7987'}^[18].
Q80605755's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.8666'}^[19].
Q80605755's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+117'}^[20].
Q80605755's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+348.8453'}^[21].
Q80605755's SIMBAD ID is recorded as US 857^[22].
Q80605755's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+145.58148511778430'}^[23].
Q80605755's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+47.23444965755920'}^[24].
Q80605755's epoch is recorded as J2000.0^[25].
Q80605755's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+15970'}^[26].

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +18.7, unit: 1, amount: +18.800, unit: 1, amount: +18.927, unit: 1, amount: +19.160, unit: 1, amount: +18.581, unit: 1, amount: +19.424, unit: 1, amount: +18.7987

Catalog code US 857, SDSS J094219.56+471404.0, SDSS J094219.55+471404.0, WD 0939+474, SDSS J094219.54+471404.0, Gaia DR2 824799781447798784

Constellation Ursa Major

Declination unit: www.wikidata.org, amount: +47.23444965755920

Declination component of proper motion unit: www.wikidata.org, amount: -21.863

Distance from earth unit: www.wikidata.org, amount: +348.8453

Effective temperature unit: www.wikidata.org, amount: +15970

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +2.8666

Radial velocity unit: www.wikidata.org, amount: +117

Redshift unit: 1, amount: +0.00039

Right ascension unit: www.wikidata.org, amount: +145.58148511778430

Right ascension component of proper motion unit: www.wikidata.org, amount: -1.648

Spectral class DA

Surface gravity unit: www.wikidata.org, amount: +60000000

External References (2)

Gaia id 824799781447798784

Simbad id US 857

References

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

Direct Wikidata claims

[2] ↑ Q80605755 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q80605755 — constellation (P59): Ursa Major. wikidata.org.
[4] ↑ Q80605755 — spectral class (P215): DA. A Catalog of Spectroscopically Confirmed White Dwarfs from the Sloan Digital Sky Survey Data Release 4. wikidata.org.
[5] ↑ Q80605755 — catalog code (P528): US 857. SIMBAD. wikidata.org.
[6] ↑ Q80605755 — catalog code (P528): SDSS J094219.56+471404.0. SIMBAD. wikidata.org.
[7] ↑ Q80605755 — catalog code (P528): SDSS J094219.55+471404.0. SIMBAD. wikidata.org.
[8] ↑ Q80605755 — catalog code (P528): WD 0939+474. SIMBAD. wikidata.org.
[9] ↑ Q80605755 — catalog code (P528): SDSS J094219.54+471404.0. SIMBAD. wikidata.org.
[10] ↑ Q80605755 — catalog code (P528): Gaia DR2 824799781447798784. SIMBAD. wikidata.org.
[11] ↑ Q80605755 — redshift (P1090): {'unit': '1', 'amount': '+0.00039'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q80605755 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.7'}. SIMBAD. wikidata.org.
[13] ↑ Q80605755 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.800'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[14] ↑ Q80605755 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.927'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[15] ↑ Q80605755 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.160'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[16] ↑ Q80605755 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.581'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[17] ↑ Q80605755 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.424'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[18] ↑ Q80605755 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.7987'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q80605755 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.8666'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q80605755 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+117'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[21] ↑ Q80605755 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+348.8453'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q80605755 — SIMBAD ID (P3083): US 857. wikidata.org.
[23] ↑ Q80605755 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+145.58148511778430'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q80605755 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+47.23444965755920'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q80605755 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q80605755 — effective temperature (P6879): {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+15970'}. SDSS DR7 white dwarf catalog. wikidata.org.

Class ancestry

[1] ↑ Q80605755 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). Q80605755. Retrieved May 7, 2026, from https://4ort.xyz/entity/q80605755

MLA “Q80605755.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q80605755.

BibTeX

@misc{4ortxyz_q80605755_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q80605755}}, year = {2026}, url = {https://4ort.xyz/entity/q80605755}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q80605755 — https://4ort.xyz/entity/q80605755 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q80605755 · Last refreshed: May 7, 2026