Q89881793

white dwarf in the constellation Boötes

Thing white_dwarf Q89881793

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Q89881793

Summary

Q89881793 is a white dwarf^[1].

Key Facts

Q89881793's instance of is recorded as white dwarf^[2].
Q89881793's constellation is recorded as Boötes^[3].
Q89881793's spectral class is recorded as D^[4].
Q89881793's catalog code is recorded as SDSS J140847.14+295044.9^[5].
Q89881793's catalog code is recorded as SDSS J140847.13+295045.0^[6].
Q89881793's catalog code is recorded as SDSS J140847.14+295045.0^[7].
Q89881793's catalog code is recorded as WIRED J140847.14+295044.9^[8].
Q89881793's catalog code is recorded as Gaia DR2 1453111749770736256^[9].
Q89881793's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.403'}^[10].
Q89881793's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.538'}^[11].
Q89881793's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.954'}^[12].
Q89881793's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.039'}^[13].
Q89881793's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.85'}^[14].
Q89881793's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.6693'}^[15].
Q89881793's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.8853'}^[16].
Q89881793's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+114'}^[17].
Q89881793's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+899'}^[18].
Q89881793's SIMBAD ID is recorded as SDSS J140847.13+295045.0^[19].
Q89881793's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+212.19640022656470'}^[20].
Q89881793's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+29.84583763454500'}^[21].
Q89881793's epoch is recorded as J2000.0^[22].
Q89881793's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+28188'}^[23].
Q89881793's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+44000000'}^[24].
Q89881793's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-13.486'}^[25].
Q89881793's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+21.028'}^[26].

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +18.403, unit: 1, amount: +18.538, unit: 1, amount: +18.954, unit: 1, amount: +19.039, unit: 1, amount: +18.85, unit: 1, amount: +18.6693

Catalog code SDSS J140847.14+295044.9, SDSS J140847.13+295045.0, SDSS J140847.14+295045.0, WIRED J140847.14+295044.9, Gaia DR2 1453111749770736256

Constellation Boötes

Declination unit: www.wikidata.org, amount: +29.84583763454500

Declination component of proper motion unit: www.wikidata.org, amount: -13.486

Distance from earth unit: www.wikidata.org, amount: +899

Effective temperature unit: www.wikidata.org, amount: +28188

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +1.8853

Radial velocity unit: www.wikidata.org, amount: +114

Right ascension unit: www.wikidata.org, amount: +212.19640022656470

Right ascension component of proper motion unit: www.wikidata.org, amount: +21.028

Spectral class D

Surface gravity unit: www.wikidata.org, amount: +44000000

External References (2)

Gaia id 1453111749770736256

Simbad id SDSS J140847.13+295045.0

References

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

Direct Wikidata claims

[2] ↑ Q89881793 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q89881793 — constellation (P59): Boötes. wikidata.org.
[4] ↑ Q89881793 — spectral class (P215): D. A photometric selection of white dwarf candidates in Sloan Digital Sky Survey Data Release 10. wikidata.org.
[5] ↑ Q89881793 — catalog code (P528): SDSS J140847.14+295044.9. SIMBAD. wikidata.org.
[6] ↑ Q89881793 — catalog code (P528): SDSS J140847.13+295045.0. SIMBAD. wikidata.org.
[7] ↑ Q89881793 — catalog code (P528): SDSS J140847.14+295045.0. SIMBAD. wikidata.org.
[8] ↑ Q89881793 — catalog code (P528): WIRED J140847.14+295044.9. SIMBAD. wikidata.org.
[9] ↑ Q89881793 — catalog code (P528): Gaia DR2 1453111749770736256. SIMBAD. wikidata.org.
[10] ↑ Q89881793 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.403'}. The SDSS Photometric Catalog, Release 8. wikidata.org.
[11] ↑ Q89881793 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.538'}. The SDSS Photometric Catalog, Release 8. wikidata.org.
[12] ↑ Q89881793 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.954'}. The SDSS Photometric Catalog, Release 8. wikidata.org.
[13] ↑ Q89881793 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.039'}. The SDSS Photometric Catalog, Release 8. wikidata.org.
[14] ↑ Q89881793 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.85'}. The SDSS Photometric Catalog, Release 8. wikidata.org.
[15] ↑ Q89881793 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.6693'}. Gaia Data Release 2. wikidata.org.
[16] ↑ Q89881793 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.8853'}. Gaia Data Release 2. wikidata.org.
[17] ↑ Q89881793 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+114'}. The SDSS Photometric Catalog, Release 8. wikidata.org.
[18] ↑ Q89881793 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+899'}. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog. wikidata.org.
[19] ↑ Q89881793 — SIMBAD ID (P3083): SDSS J140847.13+295045.0. wikidata.org.
[20] ↑ Q89881793 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+212.19640022656470'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q89881793 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+29.84583763454500'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q89881793 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[23] ↑ Q89881793 — effective temperature (P6879): {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+28188'}. SDSS DR7 white dwarf catalog. wikidata.org.
[24] ↑ Q89881793 — surface gravity (P7015): {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+44000000'}. SDSS DR7 white dwarf catalog. wikidata.org.
[25] ↑ Q89881793 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-13.486'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q89881793 — right ascension component of proper motion (P10752): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+21.028'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q89881793 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). Q89881793. Retrieved May 7, 2026, from https://4ort.xyz/entity/q89881793

MLA “Q89881793.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q89881793.

BibTeX

@misc{4ortxyz_q89881793_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q89881793}}, year = {2026}, url = {https://4ort.xyz/entity/q89881793}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q89881793 — https://4ort.xyz/entity/q89881793 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q89881793 · Last refreshed: May 7, 2026