Q90696680

white dwarf in the constellation Hercules

Thing white_dwarf Q90696680

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Q90696680

Summary

Q90696680 is a white dwarf^[1].

Key Facts

Q90696680's instance of is recorded as white dwarf^[2].
Q90696680's constellation is recorded as Hercules^[3].
Q90696680's spectral class is recorded as DQ^[4].
Q90696680's catalog code is recorded as SDSS J161531.72+454322.5^[5].
Q90696680's catalog code is recorded as SDSS J161531.71+454322.4^[6].
Q90696680's catalog code is recorded as [VV2006b] J161531.7+454322^[7].
Q90696680's catalog code is recorded as WD 1613+458^[8].
Q90696680's catalog code is recorded as Gaia DR2 1386591502449103744^[9].
Q90696680's redshift is recorded as {'unit': '1', 'amount': '+0.00000'}^[10].
Q90696680's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.91'}^[11].
Q90696680's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.260'}^[12].
Q90696680's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.656'}^[13].
Q90696680's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.086'}^[14].
Q90696680's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.34'}^[15].
Q90696680's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.82'}^[16].
Q90696680's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.9675'}^[17].
Q90696680's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.6696'}^[18].
Q90696680's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+0'}^[19].
Q90696680's SIMBAD ID is recorded as SDSS J161531.72+454322.5^[20].
Q90696680's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+243.88218771545110'}^[21].
Q90696680's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+45.72290029020090'}^[22].
Q90696680's epoch is recorded as J2000.0^[23].
Q90696680's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+59645'}^[24].
Q90696680's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+3160000000'}^[25].
Q90696680's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+19.000'}^[26].

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +19.91, unit: 1, amount: +19.260, unit: 1, amount: +19.656, unit: 1, amount: +20.086, unit: 1, amount: +20.34, unit: 1, amount: +20.82, unit: 1, amount: +19.9675

Catalog code SDSS J161531.72+454322.5, SDSS J161531.71+454322.4, [VV2006b] J161531.7+454322, WD 1613+458, Gaia DR2 1386591502449103744

Constellation Hercules

Declination unit: www.wikidata.org, amount: +45.72290029020090

Declination component of proper motion unit: www.wikidata.org, amount: +19.000

Effective temperature unit: www.wikidata.org, amount: +59645

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +1.6696

Radial velocity unit: www.wikidata.org, amount: +0

Redshift unit: 1, amount: +0.00000

Right ascension unit: www.wikidata.org, amount: +243.88218771545110

Right ascension component of proper motion unit: www.wikidata.org, amount: -7.009

Spectral class DQ

Surface gravity unit: www.wikidata.org, amount: +3160000000

External References (2)

Gaia id 1386591502449103744

Simbad id SDSS J161531.72+454322.5

References

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

Direct Wikidata claims

[2] ↑ Q90696680 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q90696680 — constellation (P59): Hercules. wikidata.org.
[4] ↑ Q90696680 — spectral class (P215): DQ. A Catalog of Spectroscopically Confirmed White Dwarfs from the Sloan Digital Sky Survey Data Release 4. wikidata.org.
[5] ↑ Q90696680 — catalog code (P528): SDSS J161531.72+454322.5. SIMBAD. wikidata.org.
[6] ↑ Q90696680 — catalog code (P528): SDSS J161531.71+454322.4. SIMBAD. wikidata.org.
[7] ↑ Q90696680 — catalog code (P528): [VV2006b] J161531.7+454322. SIMBAD. wikidata.org.
[8] ↑ Q90696680 — catalog code (P528): WD 1613+458. SIMBAD. wikidata.org.
[9] ↑ Q90696680 — catalog code (P528): Gaia DR2 1386591502449103744. SIMBAD. wikidata.org.
[10] ↑ Q90696680 — redshift (P1090): {'unit': '1', 'amount': '+0.00000'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q90696680 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.91'}. SIMBAD. wikidata.org.
[12] ↑ Q90696680 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.260'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q90696680 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.656'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q90696680 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.086'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q90696680 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.34'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[16] ↑ Q90696680 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.82'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[17] ↑ Q90696680 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.9675'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q90696680 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.6696'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q90696680 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+0'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[20] ↑ Q90696680 — SIMBAD ID (P3083): SDSS J161531.72+454322.5. wikidata.org.
[21] ↑ Q90696680 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+243.88218771545110'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q90696680 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+45.72290029020090'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q90696680 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[24] ↑ Q90696680 — effective temperature (P6879): {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+59645'}. SDSS DR7 white dwarf catalog. wikidata.org.
[25] ↑ Q90696680 — surface gravity (P7015): {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+3160000000'}. SDSS DR7 white dwarf catalog. wikidata.org.
[26] ↑ Q90696680 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+19.000'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q90696680 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). Q90696680. Retrieved May 7, 2026, from https://4ort.xyz/entity/q90696680

MLA “Q90696680.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q90696680.

BibTeX

@misc{4ortxyz_q90696680_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q90696680}}, year = {2026}, url = {https://4ort.xyz/entity/q90696680}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q90696680 — https://4ort.xyz/entity/q90696680 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q90696680 · Last refreshed: May 7, 2026