Q87887138

white dwarf in the constellation Pisces

Thing white_dwarf Q87887138

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Q87887138

Summary

Q87887138 is a white dwarf^[1].

Key Facts

Q87887138's instance of is recorded as white dwarf^[2].
Q87887138's constellation is recorded as Pisces^[3].
Q87887138's spectral class is recorded as DB^[4].
Q87887138's catalog code is recorded as WD 2318+008^[5].
Q87887138's catalog code is recorded as SDSS J232108.41+010433.3^[6].
Q87887138's catalog code is recorded as SDSS J232108.40+010433.5^[7].
Q87887138's catalog code is recorded as SDSS J232108.41+010433.2^[8].
Q87887138's catalog code is recorded as Gaia DR2 2645296299209629312^[9].
Q87887138's redshift is recorded as {'unit': '1', 'amount': '+0.00001'}^[10].
Q87887138's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.86'}^[11].
Q87887138's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.010'}^[12].
Q87887138's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.61'}^[13].
Q87887138's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.047'}^[14].
Q87887138's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.360'}^[15].
Q87887138's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.630'}^[16].
Q87887138's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.2365'}^[17].
Q87887138's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.4017'}^[18].
Q87887138's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+3'}^[19].
Q87887138's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+293.9707'}^[20].
Q87887138's SIMBAD ID is recorded as GALEX J232108.4+010433^[21].
Q87887138's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+350.28506446330720'}^[22].
Q87887138's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+1.07592629316580'}^[23].
Q87887138's epoch is recorded as J2000.0^[24].
Q87887138's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+21041'}^[25].
Q87887138's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+137000000'}^[26].

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +18.86, unit: 1, amount: +18.010, unit: 1, amount: +18.61, unit: 1, amount: +18.047, unit: 1, amount: +18.360, unit: 1, amount: +18.630, unit: 1, amount: +18.2365

Catalog code WD 2318+008, SDSS J232108.41+010433.3, SDSS J232108.40+010433.5, SDSS J232108.41+010433.2, Gaia DR2 2645296299209629312

Constellation Pisces

Declination unit: www.wikidata.org, amount: +1.07592629316580

Declination component of proper motion unit: www.wikidata.org, amount: -19.909

Distance from earth unit: www.wikidata.org, amount: +293.9707

Effective temperature unit: www.wikidata.org, amount: +21041

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +3.4017

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

Redshift unit: 1, amount: +0.00001

Right ascension unit: www.wikidata.org, amount: +350.28506446330720

Right ascension component of proper motion unit: www.wikidata.org, amount: +11.420

Spectral class DB

Surface gravity unit: www.wikidata.org, amount: +137000000

External References (2)

Gaia id 2645296299209629312

Simbad id GALEX J232108.4+010433

References

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

Direct Wikidata claims

[2] ↑ Q87887138 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q87887138 — constellation (P59): Pisces. wikidata.org.
[4] ↑ Q87887138 — spectral class (P215): DB. A Catalog of Spectroscopically Confirmed White Dwarfs from the Sloan Digital Sky Survey Data Release 4. wikidata.org.
[5] ↑ Q87887138 — catalog code (P528): WD 2318+008. SIMBAD. wikidata.org.
[6] ↑ Q87887138 — catalog code (P528): SDSS J232108.41+010433.3. SIMBAD. wikidata.org.
[7] ↑ Q87887138 — catalog code (P528): SDSS J232108.40+010433.5. SIMBAD. wikidata.org.
[8] ↑ Q87887138 — catalog code (P528): SDSS J232108.41+010433.2. SIMBAD. wikidata.org.
[9] ↑ Q87887138 — catalog code (P528): Gaia DR2 2645296299209629312. SIMBAD. wikidata.org.
[10] ↑ Q87887138 — redshift (P1090): {'unit': '1', 'amount': '+0.00001'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q87887138 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.86'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[12] ↑ Q87887138 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.010'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[13] ↑ Q87887138 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.61'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[14] ↑ Q87887138 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.047'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[15] ↑ Q87887138 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.360'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[16] ↑ Q87887138 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.630'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[17] ↑ Q87887138 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.2365'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q87887138 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.4017'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q87887138 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+3'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[20] ↑ Q87887138 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+293.9707'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q87887138 — SIMBAD ID (P3083): GALEX J232108.4+010433. wikidata.org.
[22] ↑ Q87887138 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+350.28506446330720'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q87887138 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+1.07592629316580'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q87887138 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[25] ↑ Q87887138 — effective temperature (P6879): {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+21041'}. DB white dwarfs in the Sloan Digital Sky Survey data release 10 and 12. wikidata.org.
[26] ↑ Q87887138 — surface gravity (P7015): {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+137000000'}. DB white dwarfs in the Sloan Digital Sky Survey data release 10 and 12. wikidata.org.

Class ancestry

[1] ↑ Q87887138 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). Q87887138. Retrieved May 7, 2026, from https://4ort.xyz/entity/q87887138

MLA “Q87887138.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q87887138.

BibTeX

@misc{4ortxyz_q87887138_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q87887138}}, year = {2026}, url = {https://4ort.xyz/entity/q87887138}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q87887138 — https://4ort.xyz/entity/q87887138 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q87887138 · Last refreshed: May 7, 2026