Q87887318

white dwarf in the constellation Aquarius

Thing white_dwarf Q87887318

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Q87887318

Summary

Q87887318 is a white dwarf^[1].

Key Facts

Q87887318's instance of is recorded as white dwarf^[2].
Q87887318's constellation is recorded as Aquarius^[3].
Q87887318's spectral class is recorded as DA+M^[4].
Q87887318's catalog code is recorded as 2MASS J23192431-0934494^[5].
Q87887318's catalog code is recorded as SDSS J231924.30-093449.4^[6].
Q87887318's catalog code is recorded as [HHD2009] SDSS J2319-0934^[7].
Q87887318's catalog code is recorded as [SLH2007] J231924.30-093449.4^[8].
Q87887318's catalog code is recorded as [SHW2006] J231924.30-093449.4^[9].
Q87887318's catalog code is recorded as [RGS2010] J231924.30-093449.4^[10].
Q87887318's catalog code is recorded as [SGR2010] J2319-0934^[11].
Q87887318's catalog code is recorded as [SGR2010] J231924.30-093449.4^[12].
Q87887318's catalog code is recorded as WIRED J231924.30-093449.4^[13].
Q87887318's catalog code is recorded as WD 2316-098^[14].
Q87887318's catalog code is recorded as Gaia DR2 2437904663631836544^[15].
Q87887318's redshift is recorded as {'unit': '1', 'amount': '-0.00006'}^[16].
Q87887318's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.388'}^[17].
Q87887318's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.382'}^[18].
Q87887318's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.686'}^[19].
Q87887318's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.99'}^[20].
Q87887318's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.142'}^[21].
Q87887318's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.559'}^[22].
Q87887318's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.764'}^[23].
Q87887318's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.933'}^[24].
Q87887318's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.2357'}^[25].
Q87887318's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-18'}^[26].

Body

Definition and Type

Q87887318'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: +19.388, unit: 1, amount: +19.382, unit: 1, amount: +18.686, unit: 1, amount: +17.99, unit: 1, amount: +16.142, unit: 1, amount: +16.559, unit: 1, amount: +19.764, unit: 1, amount: +15.933, unit: 1, amount: +19.2357

Catalog code 2MASS J23192431-0934494, SDSS J231924.30-093449.4, [HHD2009] SDSS J2319-0934, [SLH2007] J231924.30-093449.4, [SHW2006] J231924.30-093449.4, [RGS2010] J231924.30-093449.4, [SGR2010] J2319-0934, [SGR2010] J231924.30-093449.4, WIRED J231924.30-093449.4, WD 2316-098, Gaia DR2 2437904663631836544

Constellation Aquarius

Declination unit: www.wikidata.org, amount: -9.58041799355060

Declination component of proper motion unit: www.wikidata.org, amount: -8

Distance from earth unit: www.wikidata.org, amount: +527

Effective temperature unit: www.wikidata.org, amount: +6321

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: +0.0

Radial velocity unit: www.wikidata.org, amount: -18

Redshift unit: 1, amount: -0.00006

Right ascension unit: www.wikidata.org, amount: +349.85136505572000

Right ascension component of proper motion unit: www.wikidata.org, amount: +7

Spectral class DA+M

Surface gravity unit: www.wikidata.org, amount: +160000000

External References (2)

Gaia id 2437904663631836544

Simbad id SDSS J231924.30-093449.4

References

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

Direct Wikidata claims

[2] ↑ Q87887318 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q87887318 — constellation (P59): Aquarius. wikidata.org.
[4] ↑ Q87887318 — spectral class (P215): DA+M. White dwarf-main sequence binaries identified within SDSS DR7 and UKIDSS DR5. wikidata.org.
[5] ↑ Q87887318 — catalog code (P528): 2MASS J23192431-0934494. SIMBAD. wikidata.org.
[6] ↑ Q87887318 — catalog code (P528): SDSS J231924.30-093449.4. SIMBAD. wikidata.org.
[7] ↑ Q87887318 — catalog code (P528): [HHD2009] SDSS J2319-0934. SIMBAD. wikidata.org.
[8] ↑ Q87887318 — catalog code (P528): [SLH2007] J231924.30-093449.4. SIMBAD. wikidata.org.
[9] ↑ Q87887318 — catalog code (P528): [SHW2006] J231924.30-093449.4. SIMBAD. wikidata.org.
[10] ↑ Q87887318 — catalog code (P528): [RGS2010] J231924.30-093449.4. SIMBAD. wikidata.org.
[11] ↑ Q87887318 — catalog code (P528): [SGR2010] J2319-0934. SIMBAD. wikidata.org.
[12] ↑ Q87887318 — catalog code (P528): [SGR2010] J231924.30-093449.4. SIMBAD. wikidata.org.
[13] ↑ Q87887318 — catalog code (P528): WIRED J231924.30-093449.4. SIMBAD. wikidata.org.
[14] ↑ Q87887318 — catalog code (P528): WD 2316-098. SIMBAD. wikidata.org.
[15] ↑ Q87887318 — catalog code (P528): Gaia DR2 2437904663631836544. SIMBAD. wikidata.org.
[16] ↑ Q87887318 — redshift (P1090): {'unit': '1', 'amount': '-0.00006'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[17] ↑ Q87887318 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.388'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[18] ↑ Q87887318 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.382'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[19] ↑ Q87887318 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.686'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[20] ↑ Q87887318 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.99'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[21] ↑ Q87887318 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.142'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[22] ↑ Q87887318 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.559'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[23] ↑ Q87887318 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.764'}. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog. wikidata.org.
[24] ↑ Q87887318 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.933'}. The WIRED survey. II. Infrared excesses in the SDSS DR7 white dwarf catalog. wikidata.org.
[25] ↑ Q87887318 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.2357'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q87887318 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-18'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.

Class ancestry

[1] ↑ Q87887318 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). Q87887318. Retrieved May 7, 2026, from https://4ort.xyz/entity/q87887318

MLA “Q87887318.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q87887318.

BibTeX

@misc{4ortxyz_q87887318_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q87887318}}, year = {2026}, url = {https://4ort.xyz/entity/q87887318}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q87887318 — https://4ort.xyz/entity/q87887318 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q87887318 · Last refreshed: May 7, 2026