Q81824819

white dwarf in the constellation Corona Borealis

Thing white_dwarf Q81824819

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Q81824819

Summary

Q81824819 is a white dwarf^[1].

Key Facts

Q81824819's instance of is recorded as white dwarf^[2].
Q81824819's constellation is recorded as Corona Borealis^[3].
Q81824819's spectral class is recorded as DB+M^[4].
Q81824819's catalog code is recorded as 2MASS J16232950+3554272^[5].
Q81824819's catalog code is recorded as USNO-A2.0 1200-07857784^[6].
Q81824819's catalog code is recorded as GALEX 2679723155088474397^[7].
Q81824819's catalog code is recorded as SDSS J162329.50+355427.2^[8].
Q81824819's catalog code is recorded as [HHD2009] SDSS J1623+3554^[9].
Q81824819's catalog code is recorded as SDSS J162329.51+355427.1^[10].
Q81824819's catalog code is recorded as [SLH2007] J162329.51+355427.1^[11].
Q81824819's catalog code is recorded as [SHW2006] J162329.51+355427.1^[12].
Q81824819's catalog code is recorded as [RGS2010] J162329.50+355427.2^[13].
Q81824819's catalog code is recorded as SDSS J162329.51+355427.2^[14].
Q81824819's catalog code is recorded as WIRED J162329.50+355427.2^[15].
Q81824819's catalog code is recorded as WD 1621+360^[16].
Q81824819's catalog code is recorded as Gaia DR2 1329471156127367424^[17].
Q81824819's redshift is recorded as {'unit': '1', 'amount': '+0.00002'}^[18].
Q81824819's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.66'}^[19].
Q81824819's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.64'}^[20].
Q81824819's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.114'}^[21].
Q81824819's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.365'}^[22].
Q81824819's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.793'}^[23].
Q81824819's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.372'}^[24].
Q81824819's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.771'}^[25].
Q81824819's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.561'}^[26].

Body

Definition and Type

Q81824819's instance of is recorded as white dwarf^[2].

⭐ Popularity Graph

0/100 established

Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +18.66, unit: 1, amount: +18.64, unit: 1, amount: +16.114, unit: 1, amount: +15.365, unit: 1, amount: +18.793, unit: 1, amount: +17.372, unit: 1, amount: +18.771, unit: 1, amount: +18.561, unit: 1, amount: +17.900, unit: 1, amount: +15.191, unit: 1, amount: +18.2396

Catalog code 2MASS J16232950+3554272, USNO-A2.0 1200-07857784, GALEX 2679723155088474397, SDSS J162329.50+355427.2, [HHD2009] SDSS J1623+3554, SDSS J162329.51+355427.1, [SLH2007] J162329.51+355427.1, [SHW2006] J162329.51+355427.1, [RGS2010] J162329.50+355427.2, SDSS J162329.51+355427.2, WIRED J162329.50+355427.2, WD 1621+360, Gaia DR2 1329471156127367424

Constellation Corona Borealis

Declination unit: www.wikidata.org, amount: +35.90752912380620

Declination component of proper motion unit: www.wikidata.org, amount: +10.143

Distance from earth unit: www.wikidata.org, amount: +428.9820

Effective temperature unit: www.wikidata.org, amount: +6300

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: +0.3

Parallax unit: www.wikidata.org, amount: +2.3311

Radial velocity unit: www.wikidata.org, amount: +6

Redshift unit: 1, amount: +0.00002

Right ascension unit: www.wikidata.org, amount: +245.87293699768480

Right ascension component of proper motion unit: www.wikidata.org, amount: -6.426

Spectral class DB+M

External References (2)

Gaia id 1329471156127367424

Simbad id SDSS J162329.50+355427.2

References

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

Direct Wikidata claims

[2] ↑ Q81824819 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q81824819 — constellation (P59): Corona Borealis. wikidata.org.
[4] ↑ Q81824819 — spectral class (P215): DB+M. SDSS DR7 white dwarf catalog. wikidata.org.
[5] ↑ Q81824819 — catalog code (P528): 2MASS J16232950+3554272. SIMBAD. wikidata.org.
[6] ↑ Q81824819 — catalog code (P528): USNO-A2.0 1200-07857784. SIMBAD. wikidata.org.
[7] ↑ Q81824819 — catalog code (P528): GALEX 2679723155088474397. SIMBAD. wikidata.org.
[8] ↑ Q81824819 — catalog code (P528): SDSS J162329.50+355427.2. SIMBAD. wikidata.org.
[9] ↑ Q81824819 — catalog code (P528): [HHD2009] SDSS J1623+3554. SIMBAD. wikidata.org.
[10] ↑ Q81824819 — catalog code (P528): SDSS J162329.51+355427.1. SIMBAD. wikidata.org.
[11] ↑ Q81824819 — catalog code (P528): [SLH2007] J162329.51+355427.1. SIMBAD. wikidata.org.
[12] ↑ Q81824819 — catalog code (P528): [SHW2006] J162329.51+355427.1. SIMBAD. wikidata.org.
[13] ↑ Q81824819 — catalog code (P528): [RGS2010] J162329.50+355427.2. SIMBAD. wikidata.org.
[14] ↑ Q81824819 — catalog code (P528): SDSS J162329.51+355427.2. SIMBAD. wikidata.org.
[15] ↑ Q81824819 — catalog code (P528): WIRED J162329.50+355427.2. SIMBAD. wikidata.org.
[16] ↑ Q81824819 — catalog code (P528): WD 1621+360. SIMBAD. wikidata.org.
[17] ↑ Q81824819 — catalog code (P528): Gaia DR2 1329471156127367424. SIMBAD. wikidata.org.
[18] ↑ Q81824819 — redshift (P1090): {'unit': '1', 'amount': '+0.00002'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[19] ↑ Q81824819 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.66'}. SIMBAD. wikidata.org.
[20] ↑ Q81824819 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.64'}. SIMBAD. wikidata.org.
[21] ↑ Q81824819 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.114'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[22] ↑ Q81824819 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.365'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[23] ↑ Q81824819 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.793'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[24] ↑ Q81824819 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.372'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[25] ↑ Q81824819 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.771'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[26] ↑ Q81824819 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.561'}. The SDSS Photometric Catalog, Release 7. wikidata.org.

Class ancestry

[1] ↑ Q81824819 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). Q81824819. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81824819

MLA “Q81824819.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81824819.

BibTeX

@misc{4ortxyz_q81824819_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81824819}}, year = {2026}, url = {https://4ort.xyz/entity/q81824819}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81824819 — https://4ort.xyz/entity/q81824819 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81824819 · Last refreshed: May 7, 2026