Q74919545

Thing white_dwarf Q74919545

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Q74919545

Summary

Q74919545 is a white dwarf^[1].

Key Facts

Q74919545's instance of is recorded as white dwarf^[2].
Q74919545's instance of is recorded as double star^[3].
Q74919545's constellation is recorded as Hercules^[4].
Q74919545's spectral class is recorded as DA^[5].
Q74919545's catalog code is recorded as SDSS J170356.77+330435.7^[6].
Q74919545's catalog code is recorded as WDS J17039+3305B^[7].
Q74919545's catalog code is recorded as SDSS J170356.78+330435.8^[8].
Q74919545's catalog code is recorded as Gaia DR2 1337576648471644288^[9].
Q74919545's catalog code is recorded as [BDP2014b] CDDS40^[10].
Q74919545's catalog code is recorded as WDS J17039+3305AB^[11].
Q74919545's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.66'}^[12].
Q74919545's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.130'}^[13].
Q74919545's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.637'}^[14].
Q74919545's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.339'}^[15].
Q74919545's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.516'}^[16].
Q74919545's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.2443'}^[17].
Q74919545's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+5.7194'}^[18].
Q74919545's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+174.8435'}^[19].
Q74919545's SIMBAD ID is recorded as GALEX J170356.5+330436^[20].
Q74919545's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+255.98656297928970'}^[21].
Q74919545's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+255.982958'}^[22].
Q74919545's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+33.07662577586740'}^[23].
Q74919545's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+33.077333'}^[24].
Q74919545's epoch is recorded as J2000.0^[25].
Q74919545's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+11030'}^[26].

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Quick Facts

Instance of white dwarf, double star

Properties

Apparent magnitude unit: 1, amount: +18.66, unit: 1, amount: +18.130, unit: 1, amount: +18.637, unit: 1, amount: +18.339, unit: 1, amount: +18.516, unit: 1, amount: +18.2443

Catalog code SDSS J170356.77+330435.7, WDS J17039+3305B, SDSS J170356.78+330435.8, Gaia DR2 1337576648471644288, [BDP2014b] CDDS40, WDS J17039+3305AB

Constellation Hercules

Declination unit: www.wikidata.org, amount: +33.07662577586740, unit: www.wikidata.org, amount: +33.077333

Declination component of proper motion unit: www.wikidata.org, amount: -49.630

Distance from earth unit: www.wikidata.org, amount: +174.8435

Effective temperature unit: www.wikidata.org, amount: +11030

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +5.7194

Right ascension unit: www.wikidata.org, amount: +255.98656297928970, unit: www.wikidata.org, amount: +255.982958

Right ascension component of proper motion unit: www.wikidata.org, amount: +1.996

Spectral class DA

Surface gravity unit: www.wikidata.org, amount: +155000000

External References (2)

Gaia id 1337576648471644288

Simbad id GALEX J170356.5+330436

🏷️ Also known as

en ** SLN 36

References

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

Direct Wikidata claims

[2] ↑ Q74919545 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q74919545 — instance of (P31): double star. SIMBAD. wikidata.org.
[4] ↑ Q74919545 — constellation (P59): Hercules. wikidata.org.
[5] ↑ Q74919545 — spectral class (P215): DA. Component masses of young, wide, non-magnetic white dwarf binaries in the Sloan Digital Sky Survey Data Release 7. wikidata.org.
[6] ↑ Q74919545 — catalog code (P528): SDSS J170356.77+330435.7. SIMBAD. wikidata.org.
[7] ↑ Q74919545 — catalog code (P528): WDS J17039+3305B. SIMBAD. wikidata.org.
[8] ↑ Q74919545 — catalog code (P528): SDSS J170356.78+330435.8. SIMBAD. wikidata.org.
[9] ↑ Q74919545 — catalog code (P528): Gaia DR2 1337576648471644288. SIMBAD. wikidata.org.
[10] ↑ Q74919545 — catalog code (P528): [BDP2014b] CDDS40. SIMBAD. wikidata.org.
[11] ↑ Q74919545 — catalog code (P528): WDS J17039+3305AB. SIMBAD. wikidata.org.
[12] ↑ Q74919545 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.66'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[13] ↑ Q74919545 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.130'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[14] ↑ Q74919545 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.637'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[15] ↑ Q74919545 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.339'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[16] ↑ Q74919545 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.516'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[17] ↑ Q74919545 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.2443'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q74919545 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+5.7194'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q74919545 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+174.8435'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q74919545 — SIMBAD ID (P3083): GALEX J170356.5+330436. wikidata.org.
[21] ↑ Q74919545 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+255.98656297928970'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q74919545 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+255.982958'}. The 2001 US Naval Observatory Double Star CD-ROM. I. The Washington Double Star Catalog. wikidata.org.
[23] ↑ Q74919545 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+33.07662577586740'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q74919545 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+33.077333'}. The 2001 US Naval Observatory Double Star CD-ROM. I. The Washington Double Star Catalog. wikidata.org.
[25] ↑ Q74919545 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q74919545 — effective temperature (P6879): {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+11030'}. Constraints on the initial-final mass relation from wide double white dwarfs. wikidata.org.

Class ancestry

[1] ↑ Q74919545 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). Q74919545. Retrieved May 7, 2026, from https://4ort.xyz/entity/q74919545

MLA “Q74919545.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q74919545.

BibTeX

@misc{4ortxyz_q74919545_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q74919545}}, year = {2026}, url = {https://4ort.xyz/entity/q74919545}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q74919545 — https://4ort.xyz/entity/q74919545 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q74919545 · Last refreshed: May 7, 2026