Q80004765

white dwarf in the constellation Ursa Major

Thing white_dwarf Q80004765

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Q80004765

Summary

Q80004765 is a white dwarf^[1].

Key Facts

Q80004765's instance of is recorded as white dwarf^[2].
Q80004765's constellation is recorded as Ursa Major^[3].
Q80004765's spectral class is recorded as D^[4].
Q80004765's catalog code is recorded as US 2947^[5].
Q80004765's catalog code is recorded as 2MASS J11471607+2939301^[6].
Q80004765's catalog code is recorded as [HHD2009] SDSS J1147+2939^[7].
Q80004765's catalog code is recorded as SDSS J114716.07+293930.3^[8].
Q80004765's catalog code is recorded as [RGS2010] J114716.07+293930.3^[9].
Q80004765's catalog code is recorded as SDSS J114716.08+293930.3^[10].
Q80004765's catalog code is recorded as WD 1144+299^[11].
Q80004765's catalog code is recorded as SDSS J114716.07+293930.2^[12].
Q80004765's catalog code is recorded as Gaia DR2 4020741021494570624^[13].
Q80004765's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.6'}^[14].
Q80004765's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.622'}^[15].
Q80004765's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.380'}^[16].
Q80004765's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.265'}^[17].
Q80004765's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.553'}^[18].
Q80004765's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.554'}^[19].
Q80004765's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.807'}^[20].
Q80004765's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.3837'}^[21].
Q80004765's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.3727'}^[22].
Q80004765's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+57'}^[23].
Q80004765's metallicity is recorded as {'unit': '1', 'amount': '+0.0'}^[24].
Q80004765's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+296.4984'}^[25].
Q80004765's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+176.81699655887470'}^[26].

Body

Definition and Type

Q80004765'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: +18.6, unit: 1, amount: +18.622, unit: 1, amount: +18.380, unit: 1, amount: +18.265, unit: 1, amount: +18.553, unit: 1, amount: +18.554, unit: 1, amount: +16.807, unit: 1, amount: +18.3837

Catalog code US 2947, 2MASS J11471607+2939301, [HHD2009] SDSS J1147+2939, SDSS J114716.07+293930.3, [RGS2010] J114716.07+293930.3, SDSS J114716.08+293930.3, WD 1144+299, SDSS J114716.07+293930.2, Gaia DR2 4020741021494570624

Constellation Ursa Major

Declination unit: www.wikidata.org, amount: +29.65842766567180

Declination component of proper motion unit: www.wikidata.org, amount: -8.122

Distance from earth unit: www.wikidata.org, amount: +296.4984

Effective temperature unit: www.wikidata.org, amount: +15517

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: +0.0

Parallax unit: www.wikidata.org, amount: +3.3727

Radial velocity unit: www.wikidata.org, amount: +57

Right ascension unit: www.wikidata.org, amount: +176.81699655887470

Right ascension component of proper motion unit: www.wikidata.org, amount: -22.208

Spectral class D

Surface gravity unit: www.wikidata.org, amount: +83000000

External References (2)

Gaia id 4020741021494570624

Simbad id US 2947

References

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

Direct Wikidata claims

[2] ↑ Q80004765 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q80004765 — constellation (P59): Ursa Major. wikidata.org.
[4] ↑ Q80004765 — spectral class (P215): D. A photometric selection of white dwarf candidates in Sloan Digital Sky Survey Data Release 10. wikidata.org.
[5] ↑ Q80004765 — catalog code (P528): US 2947. SIMBAD. wikidata.org.
[6] ↑ Q80004765 — catalog code (P528): 2MASS J11471607+2939301. SIMBAD. wikidata.org.
[7] ↑ Q80004765 — catalog code (P528): [HHD2009] SDSS J1147+2939. SIMBAD. wikidata.org.
[8] ↑ Q80004765 — catalog code (P528): SDSS J114716.07+293930.3. SIMBAD. wikidata.org.
[9] ↑ Q80004765 — catalog code (P528): [RGS2010] J114716.07+293930.3. SIMBAD. wikidata.org.
[10] ↑ Q80004765 — catalog code (P528): SDSS J114716.08+293930.3. SIMBAD. wikidata.org.
[11] ↑ Q80004765 — catalog code (P528): WD 1144+299. SIMBAD. wikidata.org.
[12] ↑ Q80004765 — catalog code (P528): SDSS J114716.07+293930.2. SIMBAD. wikidata.org.
[13] ↑ Q80004765 — catalog code (P528): Gaia DR2 4020741021494570624. SIMBAD. wikidata.org.
[14] ↑ Q80004765 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.6'}. SIMBAD. wikidata.org.
[15] ↑ Q80004765 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.622'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[16] ↑ Q80004765 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.380'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[17] ↑ Q80004765 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.265'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[18] ↑ Q80004765 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.553'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[19] ↑ Q80004765 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.554'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[20] ↑ Q80004765 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.807'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[21] ↑ Q80004765 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.3837'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q80004765 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.3727'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q80004765 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+57'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[24] ↑ Q80004765 — metallicity (P2227): {'unit': '1', 'amount': '+0.0'}. White dwarf-main sequence binaries identified within SDSS DR7 and UKIDSS DR5. wikidata.org.
[25] ↑ Q80004765 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+296.4984'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q80004765 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+176.81699655887470'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q80004765 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). Q80004765. Retrieved May 7, 2026, from https://4ort.xyz/entity/q80004765

MLA “Q80004765.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q80004765.

BibTeX

@misc{4ortxyz_q80004765_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q80004765}}, year = {2026}, url = {https://4ort.xyz/entity/q80004765}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q80004765 — https://4ort.xyz/entity/q80004765 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q80004765 · Last refreshed: May 7, 2026