Q81751584

white dwarf in the constellation Pegasus

Thing white_dwarf Q81751584

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Q81751584

Summary

Q81751584 is a white dwarf^[1].

Key Facts

Q81751584's instance of is recorded as white dwarf^[2].
Q81751584's constellation is recorded as Pegasus^[3].
Q81751584's spectral class is recorded as D+?^[4].
Q81751584's catalog code is recorded as SDSS J224555.86+331349.6^[5].
Q81751584's catalog code is recorded as SDSS J224555.86+331349.5^[6].
Q81751584's catalog code is recorded as Gaia DR2 1890833719700431744^[7].
Q81751584's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.945'}^[8].
Q81751584's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.845'}^[9].
Q81751584's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.555'}^[10].
Q81751584's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.865'}^[11].
Q81751584's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.906'}^[12].
Q81751584's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.6776'}^[13].
Q81751584's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.0297'}^[14].
Q81751584's SIMBAD ID is recorded as GALEX J224555.8+331349^[15].
Q81751584's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+341.48277689956020'}^[16].
Q81751584's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+33.23050680913070'}^[17].
Q81751584's epoch is recorded as J2000.0^[18].
Q81751584's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+10761'}^[19].
Q81751584's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+212300000'}^[20].
Q81751584's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-28.028'}^[21].
Q81751584's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-3.377'}^[22].
Q81751584's Gaia ID is recorded as 1890833723996889728^[23].

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +18.945, unit: 1, amount: +18.845, unit: 1, amount: +18.555, unit: 1, amount: +18.865, unit: 1, amount: +18.906, unit: 1, amount: +18.6776

Catalog code SDSS J224555.86+331349.6, SDSS J224555.86+331349.5, Gaia DR2 1890833719700431744

Constellation Pegasus

Declination unit: www.wikidata.org, amount: +33.23050680913070

Declination component of proper motion unit: www.wikidata.org, amount: -28.028

Effective temperature unit: www.wikidata.org, amount: +10761

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +2.0297

Right ascension unit: www.wikidata.org, amount: +341.48277689956020

Right ascension component of proper motion unit: www.wikidata.org, amount: -3.377

Spectral class D+?

Surface gravity unit: www.wikidata.org, amount: +212300000

External References (2)

Gaia id 1890833723996889728

Simbad id GALEX J224555.8+331349

References

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

Direct Wikidata claims

[2] ↑ Q81751584 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q81751584 — constellation (P59): Pegasus. wikidata.org.
[4] ↑ Q81751584 — spectral class (P215): D+?. The SDSS spectroscopic catalogue of white dwarf-main-sequence binaries: new identifications from DR 9-12. wikidata.org.
[5] ↑ Q81751584 — catalog code (P528): SDSS J224555.86+331349.6. SIMBAD. wikidata.org.
[6] ↑ Q81751584 — catalog code (P528): SDSS J224555.86+331349.5. SIMBAD. wikidata.org.
[7] ↑ Q81751584 — catalog code (P528): Gaia DR2 1890833719700431744. SIMBAD. wikidata.org.
[8] ↑ Q81751584 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.945'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[9] ↑ Q81751584 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.845'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[10] ↑ Q81751584 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.555'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[11] ↑ Q81751584 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.865'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[12] ↑ Q81751584 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.906'}. New white dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 12. wikidata.org.
[13] ↑ Q81751584 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.6776'}. Gaia Data Release 2. wikidata.org.
[14] ↑ Q81751584 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.0297'}. Gaia Data Release 2. wikidata.org.
[15] ↑ Q81751584 — SIMBAD ID (P3083): GALEX J224555.8+331349. wikidata.org.
[16] ↑ Q81751584 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+341.48277689956020'}. Gaia Data Release 2. wikidata.org.
[17] ↑ Q81751584 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+33.23050680913070'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q81751584 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81751584 — effective temperature (P6879): {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+10761'}. New white dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 12. wikidata.org.
[20] ↑ Q81751584 — surface gravity (P7015): {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+212300000'}. New white dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 12. wikidata.org.
[21] ↑ Q81751584 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-28.028'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q81751584 — right ascension component of proper motion (P10752): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-3.377'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81751584 — Gaia ID (P13228): 1890833723996889728. wikidata.org.

Class ancestry

[1] ↑ Q81751584 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). Q81751584. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81751584

MLA “Q81751584.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81751584.

BibTeX

@misc{4ortxyz_q81751584_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81751584}}, year = {2026}, url = {https://4ort.xyz/entity/q81751584}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81751584 — https://4ort.xyz/entity/q81751584 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81751584 · Last refreshed: May 7, 2026