Q87887039

white dwarf in the constellation Aquarius

Thing white_dwarf Q87887039

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Q87887039

Summary

Q87887039 is a white dwarf^[1].

Key Facts

Q87887039's instance of is recorded as white dwarf^[2].
Q87887039's constellation is recorded as Aquarius^[3].
Q87887039's spectral class is recorded as DA+M^[4].
Q87887039's catalog code is recorded as 2MASS J23415811-0947169^[5].
Q87887039's catalog code is recorded as SDSS J234158.24-094716.6^[6].
Q87887039's catalog code is recorded as [HHD2009] SDSS J2341-0947^[7].
Q87887039's catalog code is recorded as [SLH2007] J234158.20-094716.6^[8].
Q87887039's catalog code is recorded as [SHW2006] J234158.20-094716.6^[9].
Q87887039's catalog code is recorded as [RGS2010] J234158.23-094716.6^[10].
Q87887039's catalog code is recorded as [SGR2010] J2341-0947^[11].
Q87887039's catalog code is recorded as [SGR2010] J234158.23-094716.6^[12].
Q87887039's catalog code is recorded as SDSS J234158.24-094716.7^[13].
Q87887039's catalog code is recorded as WIRED J234158.23-094716.6^[14].
Q87887039's catalog code is recorded as WD 2339-100^[15].
Q87887039's redshift is recorded as {'unit': '1', 'amount': '+0.00015'}^[16].
Q87887039's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.074'}^[17].
Q87887039's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.871'}^[18].
Q87887039's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.331'}^[19].
Q87887039's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.053'}^[20].
Q87887039's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.76'}^[21].
Q87887039's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.8'}^[22].
Q87887039's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.652'}^[23].
Q87887039's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.004'}^[24].
Q87887039's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+45'}^[25].
Q87887039's metallicity is recorded as {'unit': '1', 'amount': '+0.0'}^[26].

Body

Definition and Type

Q87887039's instance of is recorded as white dwarf^[2].

⭐ Popularity Graph

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +18.074, unit: 1, amount: +13.871, unit: 1, amount: +13.331, unit: 1, amount: +13.053, unit: 1, amount: +17.76, unit: 1, amount: +17.8, unit: 1, amount: +17.652, unit: 1, amount: +18.004

Catalog code 2MASS J23415811-0947169, SDSS J234158.24-094716.6, [HHD2009] SDSS J2341-0947, [SLH2007] J234158.20-094716.6, [SHW2006] J234158.20-094716.6, [RGS2010] J234158.23-094716.6, [SGR2010] J2341-0947, [SGR2010] J234158.23-094716.6, SDSS J234158.24-094716.7, WIRED J234158.23-094716.6, WD 2339-100

Constellation Aquarius

Declination unit: www.wikidata.org, amount: -9.788028

Distance from earth unit: www.wikidata.org, amount: +471

Effective temperature unit: www.wikidata.org, amount: +18543

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: +0.0

Radial velocity unit: www.wikidata.org, amount: +45

Redshift unit: 1, amount: +0.00015

Right ascension unit: www.wikidata.org, amount: +355.492125

Spectral class DA+M

Surface gravity unit: www.wikidata.org, amount: +11500000

External References (2)

Gaia id 2435640636046177664

Simbad id GALEX J234158.2-094716

References

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

Direct Wikidata claims

[2] ↑ Q87887039 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q87887039 — constellation (P59): Aquarius. wikidata.org.
[4] ↑ Q87887039 — spectral class (P215): DA+M. SDSS DR7 white dwarf catalog. wikidata.org.
[5] ↑ Q87887039 — catalog code (P528): 2MASS J23415811-0947169. SIMBAD. wikidata.org.
[6] ↑ Q87887039 — catalog code (P528): SDSS J234158.24-094716.6. SIMBAD. wikidata.org.
[7] ↑ Q87887039 — catalog code (P528): [HHD2009] SDSS J2341-0947. SIMBAD. wikidata.org.
[8] ↑ Q87887039 — catalog code (P528): [SLH2007] J234158.20-094716.6. SIMBAD. wikidata.org.
[9] ↑ Q87887039 — catalog code (P528): [SHW2006] J234158.20-094716.6. SIMBAD. wikidata.org.
[10] ↑ Q87887039 — catalog code (P528): [RGS2010] J234158.23-094716.6. SIMBAD. wikidata.org.
[11] ↑ Q87887039 — catalog code (P528): [SGR2010] J2341-0947. SIMBAD. wikidata.org.
[12] ↑ Q87887039 — catalog code (P528): [SGR2010] J234158.23-094716.6. SIMBAD. wikidata.org.
[13] ↑ Q87887039 — catalog code (P528): SDSS J234158.24-094716.7. SIMBAD. wikidata.org.
[14] ↑ Q87887039 — catalog code (P528): WIRED J234158.23-094716.6. SIMBAD. wikidata.org.
[15] ↑ Q87887039 — catalog code (P528): WD 2339-100. SIMBAD. wikidata.org.
[16] ↑ Q87887039 — redshift (P1090): {'unit': '1', 'amount': '+0.00015'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[17] ↑ Q87887039 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.074'}. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog. wikidata.org.
[18] ↑ Q87887039 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.871'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[19] ↑ Q87887039 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.331'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[20] ↑ Q87887039 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.053'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[21] ↑ Q87887039 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.76'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[22] ↑ Q87887039 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.8'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[23] ↑ Q87887039 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.652'}. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog. wikidata.org.
[24] ↑ Q87887039 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.004'}. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog. wikidata.org.
[25] ↑ Q87887039 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+45'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[26] ↑ Q87887039 — metallicity (P2227): {'unit': '1', 'amount': '+0.0'}. Spectral analysis of 636 white dwarf-M star binaries from the Sloan Digital Sky Survey. wikidata.org.

Class ancestry

[1] ↑ Q87887039 is an instance of white dwarf (Q5871) [P31, primary]. Wikidata. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). Q87887039. Retrieved May 7, 2026, from https://4ort.xyz/entity/q87887039

MLA “Q87887039.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q87887039.

BibTeX

@misc{4ortxyz_q87887039_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q87887039}}, year = {2026}, url = {https://4ort.xyz/entity/q87887039}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q87887039 — https://4ort.xyz/entity/q87887039 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q87887039 · Last refreshed: May 7, 2026