Q80298498

white dwarf in the constellation Eridanus

Thing white_dwarf Q80298498

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Q80298498

Summary

Q80298498 is a white dwarf^[1].

Key Facts

Q80298498's instance of is recorded as white dwarf^[2].
Q80298498's constellation is recorded as Eridanus^[3].
Q80298498's spectral class is recorded as DB^[4].
Q80298498's catalog code is recorded as [HSO2006] SDSS J0445-0004A^[5].
Q80298498's catalog code is recorded as [VV2006] J044556.0-000418^[6].
Q80298498's catalog code is recorded as [VV2010] J044556.0-000418^[7].
Q80298498's catalog code is recorded as SDSS J044556.05-000419.2^[8].
Q80298498's catalog code is recorded as USNO-B1.0 0899-00047323^[9].
Q80298498's catalog code is recorded as SDSS J044556.06-000419.4^[10].
Q80298498's catalog code is recorded as Gaia DR2 3229970751264892416^[11].
Q80298498's redshift is recorded as {'unit': '1', 'amount': '+1.241'}^[12].
Q80298498's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.89'}^[13].
Q80298498's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.1'}^[14].
Q80298498's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.9'}^[15].
Q80298498's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.58'}^[16].
Q80298498's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.92'}^[17].
Q80298498's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.30'}^[18].
Q80298498's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.61'}^[19].
Q80298498's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.84'}^[20].
Q80298498's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.1923'}^[21].
Q80298498's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.6849'}^[22].
Q80298498's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-21'}^[23].
Q80298498's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+71.48357448700190'}^[24].
Q80298498's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.07202365135580'}^[25].
Q80298498's epoch is recorded as J2000.0^[26].

Body

Definition and Type

Q80298498'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: +19.89, unit: 1, amount: +20.1, unit: 1, amount: +19.9, unit: 1, amount: +19.58, unit: 1, amount: +19.92, unit: 1, amount: +20.30, unit: 1, amount: +20.61, unit: 1, amount: +20.84, unit: 1, amount: +20.1923

Catalog code [HSO2006] SDSS J0445-0004A, [VV2006] J044556.0-000418, [VV2010] J044556.0-000418, SDSS J044556.05-000419.2, USNO-B1.0 0899-00047323, SDSS J044556.06-000419.4, Gaia DR2 3229970751264892416

Constellation Eridanus

Declination unit: www.wikidata.org, amount: -0.07202365135580

Declination component of proper motion unit: www.wikidata.org, amount: -6.126

Effective temperature unit: www.wikidata.org, amount: +32398

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +1.6849

Radial velocity unit: www.wikidata.org, amount: -21

Redshift unit: 1, amount: +1.241

Right ascension unit: www.wikidata.org, amount: +71.48357448700190

Right ascension component of proper motion unit: www.wikidata.org, amount: +6.435

Spectral class DB

Surface gravity unit: www.wikidata.org, amount: +74000000

External References (2)

Gaia id 3229970751264892416

Simbad id SDSS J044556.05-000419.2

References

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

Direct Wikidata claims

[2] ↑ Q80298498 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q80298498 — constellation (P59): Eridanus. wikidata.org.
[4] ↑ Q80298498 — spectral class (P215): DB. New white dwarf stars in the Sloan Digital Sky Survey Data Release 10. wikidata.org.
[5] ↑ Q80298498 — catalog code (P528): [HSO2006] SDSS J0445-0004A. SIMBAD. wikidata.org.
[6] ↑ Q80298498 — catalog code (P528): [VV2006] J044556.0-000418. SIMBAD. wikidata.org.
[7] ↑ Q80298498 — catalog code (P528): [VV2010] J044556.0-000418. SIMBAD. wikidata.org.
[8] ↑ Q80298498 — catalog code (P528): SDSS J044556.05-000419.2. SIMBAD. wikidata.org.
[9] ↑ Q80298498 — catalog code (P528): USNO-B1.0 0899-00047323. SIMBAD. wikidata.org.
[10] ↑ Q80298498 — catalog code (P528): SDSS J044556.06-000419.4. SIMBAD. wikidata.org.
[11] ↑ Q80298498 — catalog code (P528): Gaia DR2 3229970751264892416. SIMBAD. wikidata.org.
[12] ↑ Q80298498 — redshift (P1090): {'unit': '1', 'amount': '+1.241'}. Binary quasars in the Sloan Digital Sky Survey: evidence for excess clustering on small scales. wikidata.org.
[13] ↑ Q80298498 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.89'}. A catalogue of quasars and active nuclei: 13th edition. wikidata.org.
[14] ↑ Q80298498 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.1'}. The USNO-B Catalog. wikidata.org.
[15] ↑ Q80298498 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.9'}. The USNO-B Catalog. wikidata.org.
[16] ↑ Q80298498 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.58'}. New white dwarf stars in the Sloan Digital Sky Survey Data Release 10. wikidata.org.
[17] ↑ Q80298498 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.92'}. New white dwarf stars in the Sloan Digital Sky Survey Data Release 10. wikidata.org.
[18] ↑ Q80298498 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.30'}. New white dwarf stars in the Sloan Digital Sky Survey Data Release 10. wikidata.org.
[19] ↑ Q80298498 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.61'}. New white dwarf stars in the Sloan Digital Sky Survey Data Release 10. wikidata.org.
[20] ↑ Q80298498 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.84'}. New white dwarf stars in the Sloan Digital Sky Survey Data Release 10. wikidata.org.
[21] ↑ Q80298498 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.1923'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q80298498 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.6849'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q80298498 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-21'}. The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey. wikidata.org.
[24] ↑ Q80298498 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+71.48357448700190'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q80298498 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.07202365135580'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q80298498 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q80298498 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). Q80298498. Retrieved May 7, 2026, from https://4ort.xyz/entity/q80298498

MLA “Q80298498.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q80298498.

BibTeX

@misc{4ortxyz_q80298498_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q80298498}}, year = {2026}, url = {https://4ort.xyz/entity/q80298498}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q80298498 — https://4ort.xyz/entity/q80298498 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q80298498 · Last refreshed: May 7, 2026