Q89927686

white dwarf in the constellation Cetus

Thing white_dwarf Q89927686

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Q89927686

Summary

Q89927686 is a white dwarf^[1].

Key Facts

Q89927686's instance of is recorded as white dwarf^[2].
Q89927686's constellation is recorded as Cetus^[3].
Q89927686's spectral class is recorded as DA/sdB^[4].
Q89927686's catalog code is recorded as NSV 721^[5].
Q89927686's catalog code is recorded as 2MASS J02054904-1338272^[6].
Q89927686's catalog code is recorded as WD 0203-138^[7].
Q89927686's catalog code is recorded as 1RXS J020549.7-133818^[8].
Q89927686's catalog code is recorded as 2RXP J020548.8-133817^[9].
Q89927686's catalog code is recorded as SDSS J020549.03-133827.5^[10].
Q89927686's catalog code is recorded as USNO-B1.0 0763-00020846^[11].
Q89927686's catalog code is recorded as GD 1104^[12].
Q89927686's catalog code is recorded as Gaia DR2 5149462073310745344^[13].
Q89927686's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.7'}^[14].
Q89927686's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.455'}^[15].
Q89927686's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.135'}^[16].
Q89927686's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.39'}^[17].
Q89927686's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.69'}^[18].
Q89927686's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.02'}^[19].
Q89927686's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.54'}^[20].
Q89927686's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.7994'}^[21].
Q89927686's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.6192'}^[22].
Q89927686's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+22.1'}^[23].
Q89927686's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+216.4877'}^[24].
Q89927686's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+31.45435699095120'}^[25].
Q89927686's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-13.64094446741410'}^[26].

Body

Definition and Type

Q89927686'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: +15.7, unit: 1, amount: +16.455, unit: 1, amount: +15.135, unit: 1, amount: +16.39, unit: 1, amount: +16.69, unit: 1, amount: +16.02, unit: 1, amount: +15.54, unit: 1, amount: +15.7994

Catalog code NSV 721, 2MASS J02054904-1338272, WD 0203-138, 1RXS J020549.7-133818, 2RXP J020548.8-133817, SDSS J020549.03-133827.5, USNO-B1.0 0763-00020846, GD 1104, Gaia DR2 5149462073310745344

Constellation Cetus

Declination unit: www.wikidata.org, amount: -13.64094446741410

Declination component of proper motion unit: www.wikidata.org, amount: -20.178

Distance from earth unit: www.wikidata.org, amount: +216.4877

Effective temperature unit: www.wikidata.org, amount: +49850

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +4.6192

Radial velocity unit: www.wikidata.org, amount: +22.1

Right ascension unit: www.wikidata.org, amount: +31.45435699095120

Right ascension component of proper motion unit: www.wikidata.org, amount: -3.990

Spectral class DA/sdB

Surface gravity unit: www.wikidata.org, amount: +107000000

External References (2)

Gaia id 5149462073310745344

Simbad id GD 1104

References

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

Direct Wikidata claims

[2] ↑ Q89927686 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q89927686 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q89927686 — spectral class (P215): DA/sdB. The Edinburgh-Cape Blue Object Survey - V. The end: Partial Zones 4-6: Galactic latitudes -50deg > b > -90deg. wikidata.org.
[5] ↑ Q89927686 — catalog code (P528): NSV 721. SIMBAD. wikidata.org.
[6] ↑ Q89927686 — catalog code (P528): 2MASS J02054904-1338272. SIMBAD. wikidata.org.
[7] ↑ Q89927686 — catalog code (P528): WD 0203-138. SIMBAD. wikidata.org.
[8] ↑ Q89927686 — catalog code (P528): 1RXS J020549.7-133818. SIMBAD. wikidata.org.
[9] ↑ Q89927686 — catalog code (P528): 2RXP J020548.8-133817. SIMBAD. wikidata.org.
[10] ↑ Q89927686 — catalog code (P528): SDSS J020549.03-133827.5. SIMBAD. wikidata.org.
[11] ↑ Q89927686 — catalog code (P528): USNO-B1.0 0763-00020846. SIMBAD. wikidata.org.
[12] ↑ Q89927686 — catalog code (P528): GD 1104. SIMBAD. wikidata.org.
[13] ↑ Q89927686 — catalog code (P528): Gaia DR2 5149462073310745344. SIMBAD. wikidata.org.
[14] ↑ Q89927686 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.7'}. SIMBAD. wikidata.org.
[15] ↑ Q89927686 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.455'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q89927686 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.135'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[17] ↑ Q89927686 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.39'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[18] ↑ Q89927686 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.69'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[19] ↑ Q89927686 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.02'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[20] ↑ Q89927686 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.54'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[21] ↑ Q89927686 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.7994'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q89927686 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.6192'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q89927686 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+22.1'}. 3D kinematics of white dwarfs from the SPY project. II.. wikidata.org.
[24] ↑ Q89927686 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+216.4877'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q89927686 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+31.45435699095120'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q89927686 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-13.64094446741410'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q89927686 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). Q89927686. Retrieved May 7, 2026, from https://4ort.xyz/entity/q89927686

MLA “Q89927686.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q89927686.

BibTeX

@misc{4ortxyz_q89927686_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q89927686}}, year = {2026}, url = {https://4ort.xyz/entity/q89927686}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q89927686 — https://4ort.xyz/entity/q89927686 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q89927686 · Last refreshed: May 7, 2026