Q74917731

Thing white_dwarf Q74917731

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Q74917731

Summary

Q74917731 is a white dwarf^[1].

Key Facts

Q74917731's instance of is recorded as white dwarf^[2].
Q74917731's spectral class is recorded as DA^[3].
Q74917731's catalog code is recorded as SDSS J172132.02+324209.4^[4].
Q74917731's catalog code is recorded as SDSS J172132.03+324209.5^[5].
Q74917731's catalog code is recorded as SDSS J172132.02+324209.5^[6].
Q74917731's catalog code is recorded as Gaia DR2 1333857893988389248^[7].
Q74917731's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.73'}^[8].
Q74917731's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.68'}^[9].
Q74917731's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.03'}^[10].
Q74917731's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.92'}^[11].
Q74917731's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.390'}^[12].
Q74917731's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.1622'}^[13].
Q74917731's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.9992'}^[14].
Q74917731's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1348'}^[15].
Q74917731's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+237'}^[16].
Q74917731's SIMBAD ID is recorded as SDSS J172132.02+324209.4^[17].
Q74917731's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+260.38342071077860'}^[18].
Q74917731's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+32.70264907216850'}^[19].
Q74917731's epoch is recorded as J2000.0^[20].
Q74917731's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+30472'}^[21].
Q74917731's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+15000000'}^[22].
Q74917731's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-7.329'}^[23].
Q74917731's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+2.632'}^[24].
Q74917731's Gaia ID is recorded as 1333857893988389248^[25].

⭐ Popularity Graph

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +18.73, unit: 1, amount: +19.68, unit: 1, amount: +20.03, unit: 1, amount: +18.92, unit: 1, amount: +19.390, unit: 1, amount: +19.1622

Catalog code SDSS J172132.02+324209.4, SDSS J172132.03+324209.5, SDSS J172132.02+324209.5, Gaia DR2 1333857893988389248

Declination unit: www.wikidata.org, amount: +32.70264907216850

Declination component of proper motion unit: www.wikidata.org, amount: -7.329

Distance from earth unit: www.wikidata.org, amount: +1348, unit: www.wikidata.org, amount: +237

Effective temperature unit: www.wikidata.org, amount: +30472

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +0.9992

Right ascension unit: www.wikidata.org, amount: +260.38342071077860

Right ascension component of proper motion unit: www.wikidata.org, amount: +2.632

Spectral class DA

Surface gravity unit: www.wikidata.org, amount: +15000000

External References (2)

Gaia id 1333857893988389248

Simbad id SDSS J172132.02+324209.4

References

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

Direct Wikidata claims

[2] ↑ Q74917731 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q74917731 — spectral class (P215): DA. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[4] ↑ Q74917731 — catalog code (P528): SDSS J172132.02+324209.4. SIMBAD. wikidata.org.
[5] ↑ Q74917731 — catalog code (P528): SDSS J172132.03+324209.5. SIMBAD. wikidata.org.
[6] ↑ Q74917731 — catalog code (P528): SDSS J172132.02+324209.5. SIMBAD. wikidata.org.
[7] ↑ Q74917731 — catalog code (P528): Gaia DR2 1333857893988389248. SIMBAD. wikidata.org.
[8] ↑ Q74917731 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.73'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[9] ↑ Q74917731 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.68'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[10] ↑ Q74917731 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.03'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[11] ↑ Q74917731 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.92'}. SDSS DR7 white dwarf catalog. wikidata.org.
[12] ↑ Q74917731 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.390'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[13] ↑ Q74917731 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.1622'}. Gaia Data Release 2. wikidata.org.
[14] ↑ Q74917731 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.9992'}. Gaia Data Release 2. wikidata.org.
[15] ↑ Q74917731 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1348'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[16] ↑ Q74917731 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+237'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[17] ↑ Q74917731 — SIMBAD ID (P3083): SDSS J172132.02+324209.4. wikidata.org.
[18] ↑ Q74917731 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+260.38342071077860'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q74917731 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+32.70264907216850'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q74917731 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[21] ↑ Q74917731 — effective temperature (P6879): {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+30472'}. SDSS DR7 white dwarf catalog. wikidata.org.
[22] ↑ Q74917731 — surface gravity (P7015): {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+15000000'}. SDSS DR7 white dwarf catalog. wikidata.org.
[23] ↑ Q74917731 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-7.329'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q74917731 — right ascension component of proper motion (P10752): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+2.632'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q74917731 — Gaia ID (P13228): 1333857893988389248. wikidata.org.

Class ancestry

[1] ↑ Q74917731 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). Q74917731. Retrieved May 7, 2026, from https://4ort.xyz/entity/q74917731

MLA “Q74917731.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q74917731.

BibTeX

@misc{4ortxyz_q74917731_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q74917731}}, year = {2026}, url = {https://4ort.xyz/entity/q74917731}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q74917731 — https://4ort.xyz/entity/q74917731 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q74917731 · Last refreshed: May 7, 2026