Q89738203

white dwarf in the constellation Aquarius

Thing white_dwarf Q89738203

Press Enter · cited answer in seconds

Q89738203

Summary

Q89738203 is a white dwarf^[1].

Key Facts

Q89738203's instance of is recorded as white dwarf^[2].
Q89738203's constellation is recorded as Aquarius^[3].
Q89738203's spectral class is recorded as DOB^[4].
Q89738203's catalog code is recorded as Gaia DR2 2688248141128025472^[5].
Q89738203's catalog code is recorded as SDSS J213559.73+005453.8^[6].
Q89738203's catalog code is recorded as EQ J2135+0054^[7].
Q89738203's redshift is recorded as {'unit': '1', 'amount': '-0.00024'}^[8].
Q89738203's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.55'}^[9].
Q89738203's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.392'}^[10].
Q89738203's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.267'}^[11].
Q89738203's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.970'}^[12].
Q89738203's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.669'}^[13].
Q89738203's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.2862'}^[14].
Q89738203's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-72'}^[15].
Q89738203's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+323.99888009712210'}^[16].
Q89738203's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.91498941203917'}^[17].
Q89738203's epoch is recorded as J2000.0^[18].
Q89738203's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+53000'}^[19].
Q89738203's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+11750000'}^[20].
Q89738203's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-2.789'}^[21].
Q89738203's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+3.326'}^[22].

Body

Definition and Type

Q89738203's instance of is recorded as white dwarf^[2].

⭐ Popularity Graph

0/100 long tail

Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +19.55, unit: 1, amount: +19.392, unit: 1, amount: +19.267, unit: 1, amount: +18.970, unit: 1, amount: +18.669, unit: 1, amount: +19.2862

Catalog code Gaia DR2 2688248141128025472, SDSS J213559.73+005453.8, EQ J2135+0054

Constellation Aquarius

Declination unit: www.wikidata.org, amount: +0.91498941203917

Declination component of proper motion unit: www.wikidata.org, amount: -2.789

Effective temperature unit: www.wikidata.org, amount: +53000

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Radial velocity unit: www.wikidata.org, amount: -72

Redshift unit: 1, amount: -0.00024

Right ascension unit: www.wikidata.org, amount: +323.99888009712210

Right ascension component of proper motion unit: www.wikidata.org, amount: +3.326

Spectral class DOB

Surface gravity unit: www.wikidata.org, amount: +11750000

External References (2)

Gaia id 2688248141128025472

Simbad id GALEX J213559.6+005453

References

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

Direct Wikidata claims

[2] ↑ Q89738203 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q89738203 — constellation (P59): Aquarius. wikidata.org.
[4] ↑ Q89738203 — spectral class (P215): DOB. A spectroscopic search for chemically stratified white dwarfs in the Sloan Digital Sky Survey. wikidata.org.
[5] ↑ Q89738203 — catalog code (P528): Gaia DR2 2688248141128025472. SIMBAD. wikidata.org.
[6] ↑ Q89738203 — catalog code (P528): SDSS J213559.73+005453.8. SIMBAD. wikidata.org.
[7] ↑ Q89738203 — catalog code (P528): EQ J2135+0054. SIMBAD. wikidata.org.
[8] ↑ Q89738203 — redshift (P1090): {'unit': '1', 'amount': '-0.00024'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[9] ↑ Q89738203 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.55'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[10] ↑ Q89738203 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.392'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q89738203 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.267'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q89738203 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.970'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q89738203 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.669'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q89738203 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.2862'}. Gaia Data Release 2. wikidata.org.
[15] ↑ Q89738203 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-72'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[16] ↑ Q89738203 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+323.99888009712210'}. Gaia Data Release 2. wikidata.org.
[17] ↑ Q89738203 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.91498941203917'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q89738203 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[19] ↑ Q89738203 — effective temperature (P6879): {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+53000'}. A spectroscopic search for chemically stratified white dwarfs in the Sloan Digital Sky Survey. wikidata.org.
[20] ↑ Q89738203 — surface gravity (P7015): {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+11750000'}. New white dwarf stars in the Sloan Digital Sky Survey Data Release 10. wikidata.org.
[21] ↑ Q89738203 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-2.789'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q89738203 — right ascension component of proper motion (P10752): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+3.326'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q89738203 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). Q89738203. Retrieved May 7, 2026, from https://4ort.xyz/entity/q89738203

MLA “Q89738203.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q89738203.

BibTeX

@misc{4ortxyz_q89738203_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q89738203}}, year = {2026}, url = {https://4ort.xyz/entity/q89738203}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q89738203 — https://4ort.xyz/entity/q89738203 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q89738203 · Last refreshed: May 7, 2026