Q89415242

white dwarf in the constellation Ursa Major

Thing white_dwarf Q89415242

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Q89415242

Summary

Q89415242 is a white dwarf^[1].

Key Facts

Q89415242's instance of is recorded as white dwarf^[2].
Q89415242's constellation is recorded as Ursa Major^[3].
Q89415242's spectral class is recorded as DA3.1^[4].
Q89415242's catalog code is recorded as PG 0915+526^[5].
Q89415242's catalog code is recorded as SBSS 0915+526^[6].
Q89415242's catalog code is recorded as WD 0915+526^[7].
Q89415242's catalog code is recorded as 2MASS J09185501+5224529^[8].
Q89415242's catalog code is recorded as SDSS J091855.03+522453.1^[9].
Q89415242's catalog code is recorded as [BGK2006] J091855.03+522453.1^[10].
Q89415242's catalog code is recorded as Gaia DR2 1022470261063639808^[11].
Q89415242's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.64'}^[12].
Q89415242's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.809'}^[13].
Q89415242's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.894'}^[14].
Q89415242's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.665'}^[15].
Q89415242's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.388'}^[16].
Q89415242's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.719'}^[17].
Q89415242's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.984'}^[18].
Q89415242's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.241'}^[19].
Q89415242's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.977'}^[20].
Q89415242's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.5635'}^[21].
Q89415242's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+13.7566'}^[22].
Q89415242's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+4'}^[23].
Q89415242's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+72.6924'}^[24].
Q89415242's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+139.72929981934150'}^[25].
Q89415242's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+52.41475492355000'}^[26].

Body

Definition and Type

Q89415242'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: +15.64, unit: 1, amount: +15.809, unit: 1, amount: +15.894, unit: 1, amount: +15.665, unit: 1, amount: +15.388, unit: 1, amount: +15.719, unit: 1, amount: +15.984, unit: 1, amount: +16.241, unit: 1, amount: +15.977, unit: 1, amount: +15.5635

Catalog code PG 0915+526, SBSS 0915+526, WD 0915+526, 2MASS J09185501+5224529, SDSS J091855.03+522453.1, [BGK2006] J091855.03+522453.1, Gaia DR2 1022470261063639808

Constellation Ursa Major

Declination unit: www.wikidata.org, amount: +52.41475492355000

Declination component of proper motion unit: www.wikidata.org, amount: -29.752

Distance from earth unit: www.wikidata.org, amount: +72.6924

Effective temperature unit: www.wikidata.org, amount: +16370

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +13.7566

Radial velocity unit: www.wikidata.org, amount: +4

Right ascension unit: www.wikidata.org, amount: +139.72929981934150

Right ascension component of proper motion unit: www.wikidata.org, amount: -0.814

Spectral class DA3.1

Surface gravity unit: www.wikidata.org, amount: +123000000

External References (2)

Gaia id 1022470261063639808

Simbad id PG 0915+526

References

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

Direct Wikidata claims

[2] ↑ Q89415242 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q89415242 — constellation (P59): Ursa Major. wikidata.org.
[4] ↑ Q89415242 — spectral class (P215): DA3.1. A spectroscopic survey and analysis of bright, hydrogen-rich white dwarfs. wikidata.org.
[5] ↑ Q89415242 — catalog code (P528): PG 0915+526. SIMBAD. wikidata.org.
[6] ↑ Q89415242 — catalog code (P528): SBSS 0915+526. SIMBAD. wikidata.org.
[7] ↑ Q89415242 — catalog code (P528): WD 0915+526. SIMBAD. wikidata.org.
[8] ↑ Q89415242 — catalog code (P528): 2MASS J09185501+5224529. SIMBAD. wikidata.org.
[9] ↑ Q89415242 — catalog code (P528): SDSS J091855.03+522453.1. SIMBAD. wikidata.org.
[10] ↑ Q89415242 — catalog code (P528): [BGK2006] J091855.03+522453.1. SIMBAD. wikidata.org.
[11] ↑ Q89415242 — catalog code (P528): Gaia DR2 1022470261063639808. SIMBAD. wikidata.org.
[12] ↑ Q89415242 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.64'}. SIMBAD. wikidata.org.
[13] ↑ Q89415242 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.809'}. The frequency of debris disks at white dwarfs. wikidata.org.
[14] ↑ Q89415242 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.894'}. The frequency of debris disks at white dwarfs. wikidata.org.
[15] ↑ Q89415242 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.665'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[16] ↑ Q89415242 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.388'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[17] ↑ Q89415242 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.719'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[18] ↑ Q89415242 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.984'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[19] ↑ Q89415242 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.241'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[20] ↑ Q89415242 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.977'}. The frequency of debris disks at white dwarfs. wikidata.org.
[21] ↑ Q89415242 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.5635'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q89415242 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+13.7566'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q89415242 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+4'}. Hypervelocity Stars. II. The Bound Population. wikidata.org.
[24] ↑ Q89415242 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+72.6924'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q89415242 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+139.72929981934150'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q89415242 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+52.41475492355000'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q89415242 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). Q89415242. Retrieved May 7, 2026, from https://4ort.xyz/entity/q89415242

MLA “Q89415242.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q89415242.

BibTeX

@misc{4ortxyz_q89415242_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q89415242}}, year = {2026}, url = {https://4ort.xyz/entity/q89415242}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q89415242 — https://4ort.xyz/entity/q89415242 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q89415242 · Last refreshed: May 7, 2026