Q74920260

Thing white_dwarf Q74920260

Press Enter · cited answer in seconds

Q74920260

Summary

Q74920260 is a white dwarf^[1].

Key Facts

Q74920260's instance of is recorded as white dwarf^[2].
Q74920260's spectral class is recorded as DA^[3].
Q74920260's catalog code is recorded as SDSS J084045.94+015756.5^[4].
Q74920260's catalog code is recorded as SDSS J084045.92+015755.9^[5].
Q74920260's catalog code is recorded as Gaia DR2 3079058755967627392^[6].
Q74920260's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.96'}^[7].
Q74920260's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.0'}^[8].
Q74920260's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.8'}^[9].
Q74920260's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.444'}^[10].
Q74920260's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.393'}^[11].
Q74920260's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.404'}^[12].
Q74920260's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.871'}^[13].
Q74920260's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.636'}^[14].
Q74920260's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.3711'}^[15].
Q74920260's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+7.7367'}^[16].
Q74920260's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+129.2541'}^[17].
Q74920260's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+130.19144006349710'}^[18].
Q74920260's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+1.96570119187750'}^[19].
Q74920260's epoch is recorded as J2000.0^[20].
Q74920260's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+8430'}^[21].
Q74920260's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+227500000'}^[22].
Q74920260's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-59.502'}^[23].
Q74920260's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-49.162'}^[24].

Body

Definition and Type

Q74920260's instance of is recorded as white dwarf^[2].

⭐ Popularity Graph

0/100 long tail

Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +17.96, unit: 1, amount: +18.0, unit: 1, amount: +17.8, unit: 1, amount: +18.444, unit: 1, amount: +18.393, unit: 1, amount: +18.404, unit: 1, amount: +18.871, unit: 1, amount: +18.636, unit: 1, amount: +18.3711

Catalog code SDSS J084045.94+015756.5, SDSS J084045.92+015755.9, Gaia DR2 3079058755967627392

Declination unit: www.wikidata.org, amount: +1.96570119187750

Declination component of proper motion unit: www.wikidata.org, amount: -59.502

Distance from earth unit: www.wikidata.org, amount: +129.2541

Effective temperature unit: www.wikidata.org, amount: +8430

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +7.7367

Right ascension unit: www.wikidata.org, amount: +130.19144006349710

Right ascension component of proper motion unit: www.wikidata.org, amount: -49.162

Spectral class DA

Surface gravity unit: www.wikidata.org, amount: +227500000

External References (2)

Gaia id 3079058755967627392

Simbad id SDSS J084045.94+015756.5

References

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

Direct Wikidata claims

[2] ↑ Q74920260 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q74920260 — spectral class (P215): DA. New white dwarf stars in the Sloan Digital Sky Survey Data Release 10. wikidata.org.
[4] ↑ Q74920260 — catalog code (P528): SDSS J084045.94+015756.5. SIMBAD. wikidata.org.
[5] ↑ Q74920260 — catalog code (P528): SDSS J084045.92+015755.9. SIMBAD. wikidata.org.
[6] ↑ Q74920260 — catalog code (P528): Gaia DR2 3079058755967627392. SIMBAD. wikidata.org.
[7] ↑ Q74920260 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.96'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[8] ↑ Q74920260 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.0'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[9] ↑ Q74920260 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.8'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[10] ↑ Q74920260 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.444'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[11] ↑ Q74920260 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.393'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[12] ↑ Q74920260 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.404'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[13] ↑ Q74920260 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.871'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[14] ↑ Q74920260 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.636'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[15] ↑ Q74920260 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.3711'}. Gaia Data Release 2. wikidata.org.
[16] ↑ Q74920260 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+7.7367'}. Gaia Data Release 2. wikidata.org.
[17] ↑ Q74920260 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+129.2541'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q74920260 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+130.19144006349710'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q74920260 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+1.96570119187750'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q74920260 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[21] ↑ Q74920260 — effective temperature (P6879): {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+8430'}. New white dwarf stars in the Sloan Digital Sky Survey Data Release 10. wikidata.org.
[22] ↑ Q74920260 — surface gravity (P7015): {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+227500000'}. New white dwarf stars in the Sloan Digital Sky Survey Data Release 10. wikidata.org.
[23] ↑ Q74920260 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-59.502'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q74920260 — right ascension component of proper motion (P10752): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-49.162'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q74920260 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). Q74920260. Retrieved May 7, 2026, from https://4ort.xyz/entity/q74920260

MLA “Q74920260.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q74920260.

BibTeX

@misc{4ortxyz_q74920260_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q74920260}}, year = {2026}, url = {https://4ort.xyz/entity/q74920260}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q74920260 — https://4ort.xyz/entity/q74920260 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q74920260 · Last refreshed: May 7, 2026