Q74918335

Thing white_dwarf Q74918335

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Q74918335

Summary

Q74918335 is a white dwarf^[1].

Key Facts

Q74918335's instance of is recorded as white dwarf^[2].
Q74918335's spectral class is recorded as DA^[3].
Q74918335's catalog code is recorded as SDSS J145545.57+041508.7^[4].
Q74918335's catalog code is recorded as SDSS J145545.58+041508.6^[5].
Q74918335's catalog code is recorded as Gaia DR2 1158050898150073472^[6].
Q74918335's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.55'}^[7].
Q74918335's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.77'}^[8].
Q74918335's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.7'}^[9].
Q74918335's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.178'}^[10].
Q74918335's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.804'}^[11].
Q74918335's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.586'}^[12].
Q74918335's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.457'}^[13].
Q74918335's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.114'}^[14].
Q74918335's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.9092'}^[15].
Q74918335's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.6580'}^[16].
Q74918335's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+603.1363'}^[17].
Q74918335's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+223.93993135500180'}^[18].
Q74918335's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+4.25240913293540'}^[19].
Q74918335's epoch is recorded as J2000.0^[20].
Q74918335's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+10000'}^[21].
Q74918335's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+5620000'}^[22].
Q74918335's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-8.948'}^[23].
Q74918335's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-26.234'}^[24].

Body

Definition and Type

Q74918335'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: +17.55, unit: 1, amount: +17.77, unit: 1, amount: +17.7, unit: 1, amount: +16.178, unit: 1, amount: +17.804, unit: 1, amount: +16.586, unit: 1, amount: +17.457, unit: 1, amount: +17.114, unit: 1, amount: +16.9092

Catalog code SDSS J145545.57+041508.7, SDSS J145545.58+041508.6, Gaia DR2 1158050898150073472

Declination unit: www.wikidata.org, amount: +4.25240913293540

Declination component of proper motion unit: www.wikidata.org, amount: -8.948

Distance from earth unit: www.wikidata.org, amount: +603.1363

Effective temperature unit: www.wikidata.org, amount: +10000

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +1.6580

Right ascension unit: www.wikidata.org, amount: +223.93993135500180

Right ascension component of proper motion unit: www.wikidata.org, amount: -26.234

Spectral class DA

Surface gravity unit: www.wikidata.org, amount: +5620000

External References (2)

Gaia id 1158050898150073472

Simbad id SDSS J145545.57+041508.6

References

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

Direct Wikidata claims

[2] ↑ Q74918335 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q74918335 — spectral class (P215): DA. New white dwarf stars in the Sloan Digital Sky Survey Data Release 10. wikidata.org.
[4] ↑ Q74918335 — catalog code (P528): SDSS J145545.57+041508.7. SIMBAD. wikidata.org.
[5] ↑ Q74918335 — catalog code (P528): SDSS J145545.58+041508.6. SIMBAD. wikidata.org.
[6] ↑ Q74918335 — catalog code (P528): Gaia DR2 1158050898150073472. SIMBAD. wikidata.org.
[7] ↑ Q74918335 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.55'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[8] ↑ Q74918335 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.77'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[9] ↑ Q74918335 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.7'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[10] ↑ Q74918335 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.178'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[11] ↑ Q74918335 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.804'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[12] ↑ Q74918335 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.586'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[13] ↑ Q74918335 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.457'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[14] ↑ Q74918335 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.114'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[15] ↑ Q74918335 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.9092'}. Gaia Data Release 2. wikidata.org.
[16] ↑ Q74918335 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.6580'}. Gaia Data Release 2. wikidata.org.
[17] ↑ Q74918335 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+603.1363'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q74918335 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+223.93993135500180'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q74918335 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+4.25240913293540'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q74918335 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[21] ↑ Q74918335 — effective temperature (P6879): {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+10000'}. New white dwarf stars in the Sloan Digital Sky Survey Data Release 10. wikidata.org.
[22] ↑ Q74918335 — surface gravity (P7015): {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+5620000'}. New white dwarf stars in the Sloan Digital Sky Survey Data Release 10. wikidata.org.
[23] ↑ Q74918335 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-8.948'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q74918335 — right ascension component of proper motion (P10752): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-26.234'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q74918335 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). Q74918335. Retrieved May 7, 2026, from https://4ort.xyz/entity/q74918335

MLA “Q74918335.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q74918335.

BibTeX

@misc{4ortxyz_q74918335_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q74918335}}, year = {2026}, url = {https://4ort.xyz/entity/q74918335}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q74918335 — https://4ort.xyz/entity/q74918335 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q74918335 · Last refreshed: May 7, 2026