Q81431554

white dwarf in the constellation Boötes

Thing white_dwarf Q81431554

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Q81431554

Summary

Q81431554 is a white dwarf^[1].

Key Facts

Q81431554's instance of is recorded as white dwarf^[2].
Q81431554's constellation is recorded as Boötes^[3].
Q81431554's spectral class is recorded as DA^[4].
Q81431554's catalog code is recorded as PB 3550^[5].
Q81431554's catalog code is recorded as SDSS J141436.71+300603.7^[6].
Q81431554's catalog code is recorded as LAMOST J141436.70+300603.7^[7].
Q81431554's catalog code is recorded as Gaia DR2 1477185144546891776^[8].
Q81431554's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.5'}^[9].
Q81431554's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.989'}^[10].
Q81431554's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.554'}^[11].
Q81431554's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.608'}^[12].
Q81431554's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.732'}^[13].
Q81431554's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.919'}^[14].
Q81431554's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.5681'}^[15].
Q81431554's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+7.4970'}^[16].
Q81431554's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+133.3867'}^[17].
Q81431554's SIMBAD ID is recorded as PB 3550^[18].
Q81431554's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+213.65302622832430'}^[19].
Q81431554's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+30.10098159985400'}^[20].
Q81431554's epoch is recorded as J2000.0^[21].
Q81431554's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+9865'}^[22].
Q81431554's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+355000000'}^[23].
Q81431554's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+46.420'}^[24].
Q81431554's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-46.400'}^[25].
Q81431554's Gaia ID is recorded as 1477185144543908224^[26].

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +18.5, unit: 1, amount: +18.989, unit: 1, amount: +18.554, unit: 1, amount: +18.608, unit: 1, amount: +18.732, unit: 1, amount: +18.919, unit: 1, amount: +18.5681

Catalog code PB 3550, SDSS J141436.71+300603.7, LAMOST J141436.70+300603.7, Gaia DR2 1477185144546891776

Constellation Boötes

Declination unit: www.wikidata.org, amount: +30.10098159985400

Declination component of proper motion unit: www.wikidata.org, amount: +46.420

Distance from earth unit: www.wikidata.org, amount: +133.3867

Effective temperature unit: www.wikidata.org, amount: +9865

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +7.4970

Right ascension unit: www.wikidata.org, amount: +213.65302622832430

Right ascension component of proper motion unit: www.wikidata.org, amount: -46.400

Spectral class DA

Surface gravity unit: www.wikidata.org, amount: +355000000

External References (2)

Gaia id 1477185144543908224

Simbad id PB 3550

References

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

Direct Wikidata claims

[2] ↑ Q81431554 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q81431554 — constellation (P59): Boötes. wikidata.org.
[4] ↑ Q81431554 — spectral class (P215): DA. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[5] ↑ Q81431554 — catalog code (P528): PB 3550. SIMBAD. wikidata.org.
[6] ↑ Q81431554 — catalog code (P528): SDSS J141436.71+300603.7. SIMBAD. wikidata.org.
[7] ↑ Q81431554 — catalog code (P528): LAMOST J141436.70+300603.7. SIMBAD. wikidata.org.
[8] ↑ Q81431554 — catalog code (P528): Gaia DR2 1477185144546891776. SIMBAD. wikidata.org.
[9] ↑ Q81431554 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.5'}. SIMBAD. wikidata.org.
[10] ↑ Q81431554 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.989'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[11] ↑ Q81431554 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.554'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[12] ↑ Q81431554 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.608'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[13] ↑ Q81431554 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.732'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[14] ↑ Q81431554 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.919'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[15] ↑ Q81431554 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.5681'}. Gaia Data Release 2. wikidata.org.
[16] ↑ Q81431554 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+7.4970'}. Gaia Data Release 2. wikidata.org.
[17] ↑ Q81431554 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+133.3867'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q81431554 — SIMBAD ID (P3083): PB 3550. wikidata.org.
[19] ↑ Q81431554 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+213.65302622832430'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81431554 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+30.10098159985400'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q81431554 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[22] ↑ Q81431554 — effective temperature (P6879): {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+9865'}. SDSS DR7 white dwarf catalog. wikidata.org.
[23] ↑ Q81431554 — surface gravity (P7015): {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+355000000'}. SDSS DR7 white dwarf catalog. wikidata.org.
[24] ↑ Q81431554 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+46.420'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81431554 — right ascension component of proper motion (P10752): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-46.400'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81431554 — Gaia ID (P13228): 1477185144543908224. wikidata.org.

Class ancestry

[1] ↑ Q81431554 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). Q81431554. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81431554

MLA “Q81431554.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81431554.

BibTeX

@misc{4ortxyz_q81431554_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81431554}}, year = {2026}, url = {https://4ort.xyz/entity/q81431554}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81431554 — https://4ort.xyz/entity/q81431554 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81431554 · Last refreshed: May 7, 2026