Q77689289

white dwarf in the constellation Boötes

Thing white_dwarf Q77689289

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Q77689289

Summary

Q77689289 is a white dwarf^[1].

Key Facts

Q77689289's instance of is recorded as white dwarf^[2].
Q77689289's constellation is recorded as Boötes^[3].
Q77689289's spectral class is recorded as DA^[4].
Q77689289's catalog code is recorded as SBSS 1404+539^[5].
Q77689289's catalog code is recorded as WD 1404+539^[6].
Q77689289's catalog code is recorded as SDSS J140644.71+534500.4^[7].
Q77689289's catalog code is recorded as SDSS J140644.72+534500.5^[8].
Q77689289's catalog code is recorded as WIRED J140644.71+534500.4^[9].
Q77689289's catalog code is recorded as LAMOST J140644.71+534500.4^[10].
Q77689289's catalog code is recorded as Gaia DR2 1609011129812128768^[11].
Q77689289's redshift is recorded as {'unit': '1', 'amount': '-0.00013'}^[12].
Q77689289's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.5'}^[13].
Q77689289's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.51'}^[14].
Q77689289's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.34'}^[15].
Q77689289's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.86'}^[16].
Q77689289's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.05'}^[17].
Q77689289's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.266'}^[18].
Q77689289's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.9856'}^[19].
Q77689289's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+6.5705'}^[20].
Q77689289's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-39'}^[21].
Q77689289's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+152.1954'}^[22].
Q77689289's SIMBAD ID is recorded as SBSS 1404+539^[23].
Q77689289's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+211.68632909271200'}^[24].
Q77689289's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+53.75017439532590'}^[25].
Q77689289's epoch is recorded as J2000.0^[26].

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +17.5, unit: 1, amount: +17.51, unit: 1, amount: +17.34, unit: 1, amount: +16.86, unit: 1, amount: +17.05, unit: 1, amount: +17.266, unit: 1, amount: +16.9856

Catalog code SBSS 1404+539, WD 1404+539, SDSS J140644.71+534500.4, SDSS J140644.72+534500.5, WIRED J140644.71+534500.4, LAMOST J140644.71+534500.4, Gaia DR2 1609011129812128768

Constellation Boötes

Declination unit: www.wikidata.org, amount: +53.75017439532590

Declination component of proper motion unit: www.wikidata.org, amount: -72.787

Distance from earth unit: www.wikidata.org, amount: +152.1954

Effective temperature unit: www.wikidata.org, amount: +11773

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +6.5705

Radial velocity unit: www.wikidata.org, amount: -39

Redshift unit: 1, amount: -0.00013

Right ascension unit: www.wikidata.org, amount: +211.68632909271200

Right ascension component of proper motion unit: www.wikidata.org, amount: +4.574

Spectral class DA

Surface gravity unit: www.wikidata.org, amount: +34000000

External References (2)

Gaia id 1609011129812128768

Simbad id SBSS 1404+539

References

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

Direct Wikidata claims

[2] ↑ Q77689289 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q77689289 — constellation (P59): Boötes. wikidata.org.
[4] ↑ Q77689289 — spectral class (P215): DA. A Catalog of Spectroscopically Confirmed White Dwarfs from the Sloan Digital Sky Survey Data Release 4. wikidata.org.
[5] ↑ Q77689289 — catalog code (P528): SBSS 1404+539. SIMBAD. wikidata.org.
[6] ↑ Q77689289 — catalog code (P528): WD 1404+539. SIMBAD. wikidata.org.
[7] ↑ Q77689289 — catalog code (P528): SDSS J140644.71+534500.4. SIMBAD. wikidata.org.
[8] ↑ Q77689289 — catalog code (P528): SDSS J140644.72+534500.5. SIMBAD. wikidata.org.
[9] ↑ Q77689289 — catalog code (P528): WIRED J140644.71+534500.4. SIMBAD. wikidata.org.
[10] ↑ Q77689289 — catalog code (P528): LAMOST J140644.71+534500.4. SIMBAD. wikidata.org.
[11] ↑ Q77689289 — catalog code (P528): Gaia DR2 1609011129812128768. SIMBAD. wikidata.org.
[12] ↑ Q77689289 — redshift (P1090): {'unit': '1', 'amount': '-0.00013'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q77689289 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.5'}. SIMBAD. wikidata.org.
[14] ↑ Q77689289 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.51'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[15] ↑ Q77689289 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.34'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[16] ↑ Q77689289 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.86'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[17] ↑ Q77689289 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.05'}. SDSS DR7 white dwarf catalog. wikidata.org.
[18] ↑ Q77689289 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.266'}. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog. wikidata.org.
[19] ↑ Q77689289 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.9856'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q77689289 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+6.5705'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q77689289 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-39'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[22] ↑ Q77689289 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+152.1954'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q77689289 — SIMBAD ID (P3083): SBSS 1404+539. wikidata.org.
[24] ↑ Q77689289 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+211.68632909271200'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q77689289 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+53.75017439532590'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q77689289 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q77689289 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). Q77689289. Retrieved May 7, 2026, from https://4ort.xyz/entity/q77689289

MLA “Q77689289.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q77689289.

BibTeX

@misc{4ortxyz_q77689289_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q77689289}}, year = {2026}, url = {https://4ort.xyz/entity/q77689289}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q77689289 — https://4ort.xyz/entity/q77689289 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q77689289 · Last refreshed: May 7, 2026