Q87118999

white dwarf in the constellation Cetus

Thing white_dwarf Q87118999

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Q87118999

Summary

Q87118999 is a white dwarf^[1].

Key Facts

Q87118999's instance of is recorded as white dwarf^[2].
Q87118999's constellation is recorded as Cetus^[3].
Q87118999's spectral class is recorded as DA+M^[4].
Q87118999's catalog code is recorded as 2MASS J00280166+0021370^[5].
Q87118999's catalog code is recorded as SDSS J002801.67+002137.7^[6].
Q87118999's catalog code is recorded as [SLH2007] J002801.68+002137.7^[7].
Q87118999's catalog code is recorded as SDSS J002801.68+002137.7^[8].
Q87118999's catalog code is recorded as [RGS2010] J002801.68+002137.7^[9].
Q87118999's catalog code is recorded as [SGR2010] J0028+0021^[10].
Q87118999's catalog code is recorded as [SGR2010] J002801.68+002137.7^[11].
Q87118999's catalog code is recorded as WD 0025+000^[12].
Q87118999's catalog code is recorded as Gaia DR2 2543857727252879104^[13].
Q87118999's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.45'}^[14].
Q87118999's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.375'}^[15].
Q87118999's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.361'}^[16].
Q87118999's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.606'}^[17].
Q87118999's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.061'}^[18].
Q87118999's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.652'}^[19].
Q87118999's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.192'}^[20].
Q87118999's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.994'}^[21].
Q87118999's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.9524'}^[22].
Q87118999's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.8038'}^[23].
Q87118999's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+7.00700146287890'}^[24].
Q87118999's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.36047881772220'}^[25].
Q87118999's epoch is recorded as J2000.0^[26].

Body

Definition and Type

Q87118999'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: +19.45, unit: 1, amount: +19.375, unit: 1, amount: +19.361, unit: 1, amount: +18.606, unit: 1, amount: +18.061, unit: 1, amount: +16.652, unit: 1, amount: +16.192, unit: 1, amount: +15.994, unit: 1, amount: +18.9524

Catalog code 2MASS J00280166+0021370, SDSS J002801.67+002137.7, [SLH2007] J002801.68+002137.7, SDSS J002801.68+002137.7, [RGS2010] J002801.68+002137.7, [SGR2010] J0028+0021, [SGR2010] J002801.68+002137.7, WD 0025+000, Gaia DR2 2543857727252879104

Constellation Cetus

Declination unit: www.wikidata.org, amount: +0.36047881772220

Declination component of proper motion unit: www.wikidata.org, amount: -26.261

Effective temperature unit: www.wikidata.org, amount: +6328

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +0.8038

Right ascension unit: www.wikidata.org, amount: +7.00700146287890

Right ascension component of proper motion unit: www.wikidata.org, amount: +22.972

Spectral class DA+M

Surface gravity unit: www.wikidata.org, amount: +126000

External References (2)

Gaia id 2543857727252879104

Simbad id GALEX J002801.7+002137

References

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

Direct Wikidata claims

[2] ↑ Q87118999 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q87118999 — constellation (P59): Cetus. wikidata.org.
[4] ↑ Q87118999 — spectral class (P215): DA+M. A Catalog of Spectroscopically Confirmed White Dwarfs from the Sloan Digital Sky Survey Data Release 4. wikidata.org.
[5] ↑ Q87118999 — catalog code (P528): 2MASS J00280166+0021370. SIMBAD. wikidata.org.
[6] ↑ Q87118999 — catalog code (P528): SDSS J002801.67+002137.7. SIMBAD. wikidata.org.
[7] ↑ Q87118999 — catalog code (P528): [SLH2007] J002801.68+002137.7. SIMBAD. wikidata.org.
[8] ↑ Q87118999 — catalog code (P528): SDSS J002801.68+002137.7. SIMBAD. wikidata.org.
[9] ↑ Q87118999 — catalog code (P528): [RGS2010] J002801.68+002137.7. SIMBAD. wikidata.org.
[10] ↑ Q87118999 — catalog code (P528): [SGR2010] J0028+0021. SIMBAD. wikidata.org.
[11] ↑ Q87118999 — catalog code (P528): [SGR2010] J002801.68+002137.7. SIMBAD. wikidata.org.
[12] ↑ Q87118999 — catalog code (P528): WD 0025+000. SIMBAD. wikidata.org.
[13] ↑ Q87118999 — catalog code (P528): Gaia DR2 2543857727252879104. SIMBAD. wikidata.org.
[14] ↑ Q87118999 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.45'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q87118999 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.375'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[16] ↑ Q87118999 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.361'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[17] ↑ Q87118999 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.606'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[18] ↑ Q87118999 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.061'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[19] ↑ Q87118999 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.652'}. Post-common envelope binaries from SDSS - VII. A catalogue of white dwarf-main sequence binaries. wikidata.org.
[20] ↑ Q87118999 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.192'}. Post-common envelope binaries from SDSS - VII. A catalogue of white dwarf-main sequence binaries. wikidata.org.
[21] ↑ Q87118999 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.994'}. Post-common envelope binaries from SDSS - VII. A catalogue of white dwarf-main sequence binaries. wikidata.org.
[22] ↑ Q87118999 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.9524'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q87118999 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.8038'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q87118999 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+7.00700146287890'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q87118999 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.36047881772220'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q87118999 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q87118999 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). Q87118999. Retrieved May 7, 2026, from https://4ort.xyz/entity/q87118999

MLA “Q87118999.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q87118999.

BibTeX

@misc{4ortxyz_q87118999_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q87118999}}, year = {2026}, url = {https://4ort.xyz/entity/q87118999}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q87118999 — https://4ort.xyz/entity/q87118999 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q87118999 · Last refreshed: May 7, 2026