Q87887321

white dwarf in the constellation Pisces

Thing white_dwarf Q87887321

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Q87887321

Summary

Q87887321 is a white dwarf^[1].

Key Facts

Q87887321's instance of is recorded as white dwarf^[2].
Q87887321's constellation is recorded as Pisces^[3].
Q87887321's spectral class is recorded as DA+M^[4].
Q87887321's catalog code is recorded as USNO-A2.0 0825-19912091^[5].
Q87887321's catalog code is recorded as GALEX 2416957592790106827^[6].
Q87887321's catalog code is recorded as 2SLAQ J231901.24-004949.6^[7].
Q87887321's catalog code is recorded as SDSS J231901.24-004949.6^[8].
Q87887321's catalog code is recorded as [HHD2009] SDSS J2319-0049^[9].
Q87887321's catalog code is recorded as [SHW2006] J231901.23-004949.4^[10].
Q87887321's catalog code is recorded as [SLH2007] J231901.24-004949.5^[11].
Q87887321's catalog code is recorded as [RGS2010] J231901.25-004949.5^[12].
Q87887321's catalog code is recorded as [RGR2007] J231901.24-004949.3^[13].
Q87887321's catalog code is recorded as [RGR2007] J231901.25-004949.5^[14].
Q87887321's catalog code is recorded as SDSS J231901.25-004949.5^[15].
Q87887321's catalog code is recorded as SDSS J231901.25-004949.4^[16].
Q87887321's catalog code is recorded as WIRED J231901.25-004949.5^[17].
Q87887321's catalog code is recorded as WD 2316-011^[18].
Q87887321's catalog code is recorded as [RGS2010] J231901.24-004949.3^[19].
Q87887321's catalog code is recorded as Gaia DR2 2644810452508393216^[20].
Q87887321's redshift is recorded as {'unit': '1', 'amount': '+0.00001'}^[21].
Q87887321's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.323'}^[22].
Q87887321's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.293'}^[23].
Q87887321's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.249'}^[24].
Q87887321's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.87'}^[25].
Q87887321's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.7'}^[26].

Body

Definition and Type

Q87887321'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: +19.323, unit: 1, amount: +19.293, unit: 1, amount: +19.249, unit: 1, amount: +18.87, unit: 1, amount: +18.7, unit: 1, amount: +19.1, unit: 1, amount: +16.420, unit: 1, amount: +19.756, unit: 1, amount: +17.328, unit: 1, amount: +16.776, unit: 1, amount: +19.2816

Catalog code USNO-A2.0 0825-19912091, GALEX 2416957592790106827, 2SLAQ J231901.24-004949.6, SDSS J231901.24-004949.6, [HHD2009] SDSS J2319-0049, [SHW2006] J231901.23-004949.4, [SLH2007] J231901.24-004949.5, [RGS2010] J231901.25-004949.5, [RGR2007] J231901.24-004949.3, [RGR2007] J231901.25-004949.5, SDSS J231901.25-004949.5, SDSS J231901.25-004949.4, WIRED J231901.25-004949.5, WD 2316-011, [RGS2010] J231901.24-004949.3, Gaia DR2 2644810452508393216

Constellation Pisces

Declination unit: www.wikidata.org, amount: -0.83042847452690

Declination component of proper motion unit: www.wikidata.org, amount: -47.103

Distance from earth unit: www.wikidata.org, amount: +304

Effective temperature unit: www.wikidata.org, amount: +9591, unit: www.wikidata.org, amount: +9655

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: +0.4

Parallax unit: www.wikidata.org, amount: +3.3591

Radial velocity unit: www.wikidata.org, amount: +3

Redshift unit: 1, amount: +0.00001

Right ascension unit: www.wikidata.org, amount: +349.75515549192510

Right ascension component of proper motion unit: www.wikidata.org, amount: +10.672

Spectral class DA+M

Surface gravity unit: www.wikidata.org, amount: +95000000, unit: www.wikidata.org, amount: +76000000

External References (2)

Gaia id 2644810452508393216

Simbad id GALEX J231901.2-004949

References

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

Direct Wikidata claims

[2] ↑ Q87887321 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q87887321 — constellation (P59): Pisces. wikidata.org.
[4] ↑ Q87887321 — spectral class (P215): DA+M. White dwarf-main sequence binaries identified within SDSS DR7 and UKIDSS DR5. wikidata.org.
[5] ↑ Q87887321 — catalog code (P528): USNO-A2.0 0825-19912091. SIMBAD. wikidata.org.
[6] ↑ Q87887321 — catalog code (P528): GALEX 2416957592790106827. SIMBAD. wikidata.org.
[7] ↑ Q87887321 — catalog code (P528): 2SLAQ J231901.24-004949.6. SIMBAD. wikidata.org.
[8] ↑ Q87887321 — catalog code (P528): SDSS J231901.24-004949.6. SIMBAD. wikidata.org.
[9] ↑ Q87887321 — catalog code (P528): [HHD2009] SDSS J2319-0049. SIMBAD. wikidata.org.
[10] ↑ Q87887321 — catalog code (P528): [SHW2006] J231901.23-004949.4. SIMBAD. wikidata.org.
[11] ↑ Q87887321 — catalog code (P528): [SLH2007] J231901.24-004949.5. SIMBAD. wikidata.org.
[12] ↑ Q87887321 — catalog code (P528): [RGS2010] J231901.25-004949.5. SIMBAD. wikidata.org.
[13] ↑ Q87887321 — catalog code (P528): [RGR2007] J231901.24-004949.3. SIMBAD. wikidata.org.
[14] ↑ Q87887321 — catalog code (P528): [RGR2007] J231901.25-004949.5. SIMBAD. wikidata.org.
[15] ↑ Q87887321 — catalog code (P528): SDSS J231901.25-004949.5. SIMBAD. wikidata.org.
[16] ↑ Q87887321 — catalog code (P528): SDSS J231901.25-004949.4. SIMBAD. wikidata.org.
[17] ↑ Q87887321 — catalog code (P528): WIRED J231901.25-004949.5. SIMBAD. wikidata.org.
[18] ↑ Q87887321 — catalog code (P528): WD 2316-011. SIMBAD. wikidata.org.
[19] ↑ Q87887321 — catalog code (P528): [RGS2010] J231901.24-004949.3. SIMBAD. wikidata.org.
[20] ↑ Q87887321 — catalog code (P528): Gaia DR2 2644810452508393216. SIMBAD. wikidata.org.
[21] ↑ Q87887321 — redshift (P1090): {'unit': '1', 'amount': '+0.00001'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[22] ↑ Q87887321 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.323'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[23] ↑ Q87887321 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.293'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[24] ↑ Q87887321 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.249'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[25] ↑ Q87887321 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.87'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[26] ↑ Q87887321 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.7'}. USNO-A2.0. wikidata.org.

Class ancestry

[1] ↑ Q87887321 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). Q87887321. Retrieved May 7, 2026, from https://4ort.xyz/entity/q87887321

MLA “Q87887321.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q87887321.

BibTeX

@misc{4ortxyz_q87887321_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q87887321}}, year = {2026}, url = {https://4ort.xyz/entity/q87887321}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q87887321 — https://4ort.xyz/entity/q87887321 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q87887321 · Last refreshed: May 7, 2026