Q84026728

white dwarf in the constellation Serpens

Thing white_dwarf Q84026728

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Q84026728

Summary

Q84026728 is a white dwarf^[1].

Key Facts

Q84026728's instance of is recorded as white dwarf^[2].
Q84026728's constellation is recorded as Serpens^[3].
Q84026728's spectral class is recorded as M1V^[4].
Q84026728's catalog code is recorded as [RGS2010] J153040.64+083254.0^[5].
Q84026728's catalog code is recorded as SDSS J153040.63+083254.0^[6].
Q84026728's catalog code is recorded as 2MASS J15304067+0832548^[7].
Q84026728's catalog code is recorded as WD 1528+087^[8].
Q84026728's catalog code is recorded as Gaia DR2 1164572861824403328^[9].
Q84026728's redshift is recorded as {'unit': '1', 'amount': '+0.00023'}^[10].
Q84026728's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.629'}^[11].
Q84026728's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.377'}^[12].
Q84026728's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.286'}^[13].
Q84026728's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.520'}^[14].
Q84026728's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.113'}^[15].
Q84026728's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.812'}^[16].
Q84026728's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.217'}^[17].
Q84026728's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.992'}^[18].
Q84026728's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.2458'}^[19].
Q84026728's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+97'}^[20].
Q84026728's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1473.8'}^[21].
Q84026728's SIMBAD ID is recorded as GALEX J153040.6+083254^[22].
Q84026728's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+232.66935888978910'}^[23].
Q84026728's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+8.54834041652190'}^[24].
Q84026728's epoch is recorded as J2000.0^[25].
Q84026728's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+1.150'}^[26].

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +21.629, unit: 1, amount: +20.377, unit: 1, amount: +19.286, unit: 1, amount: +18.520, unit: 1, amount: +18.113, unit: 1, amount: +16.812, unit: 1, amount: +16.217, unit: 1, amount: +15.992, unit: 1, amount: +19.2458

Catalog code [RGS2010] J153040.64+083254.0, SDSS J153040.63+083254.0, 2MASS J15304067+0832548, WD 1528+087, Gaia DR2 1164572861824403328

Constellation Serpens

Declination unit: www.wikidata.org, amount: +8.54834041652190

Declination component of proper motion unit: www.wikidata.org, amount: +1.150

Distance from earth unit: www.wikidata.org, amount: +1473.8

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Radial velocity unit: www.wikidata.org, amount: +97

Redshift unit: 1, amount: +0.00023

Right ascension unit: www.wikidata.org, amount: +232.66935888978910

Right ascension component of proper motion unit: www.wikidata.org, amount: -15.751

Spectral class M1V

External References (2)

Gaia id 1164572861824403328

Simbad id GALEX J153040.6+083254

References

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

Direct Wikidata claims

[2] ↑ Q84026728 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q84026728 — constellation (P59): Serpens. wikidata.org.
[4] ↑ Q84026728 — spectral class (P215): M1V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q84026728 — catalog code (P528): [RGS2010] J153040.64+083254.0. SIMBAD. wikidata.org.
[6] ↑ Q84026728 — catalog code (P528): SDSS J153040.63+083254.0. SIMBAD. wikidata.org.
[7] ↑ Q84026728 — catalog code (P528): 2MASS J15304067+0832548. SIMBAD. wikidata.org.
[8] ↑ Q84026728 — catalog code (P528): WD 1528+087. SIMBAD. wikidata.org.
[9] ↑ Q84026728 — catalog code (P528): Gaia DR2 1164572861824403328. SIMBAD. wikidata.org.
[10] ↑ Q84026728 — redshift (P1090): {'unit': '1', 'amount': '+0.00023'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[11] ↑ Q84026728 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.629'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[12] ↑ Q84026728 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.377'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[13] ↑ Q84026728 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.286'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[14] ↑ Q84026728 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.520'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[15] ↑ Q84026728 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.113'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[16] ↑ Q84026728 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.812'}. Post-common envelope binaries from SDSS - VII. A catalogue of white dwarf-main sequence binaries. wikidata.org.
[17] ↑ Q84026728 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.217'}. Post-common envelope binaries from SDSS - VII. A catalogue of white dwarf-main sequence binaries. wikidata.org.
[18] ↑ Q84026728 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.992'}. Post-common envelope binaries from SDSS - VII. A catalogue of white dwarf-main sequence binaries. wikidata.org.
[19] ↑ Q84026728 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.2458'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q84026728 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+97'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q84026728 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1473.8'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q84026728 — SIMBAD ID (P3083): GALEX J153040.6+083254. wikidata.org.
[23] ↑ Q84026728 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+232.66935888978910'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q84026728 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+8.54834041652190'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q84026728 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q84026728 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+1.150'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q84026728 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). Q84026728. Retrieved May 7, 2026, from https://4ort.xyz/entity/q84026728

MLA “Q84026728.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q84026728.

BibTeX

@misc{4ortxyz_q84026728_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q84026728}}, year = {2026}, url = {https://4ort.xyz/entity/q84026728}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q84026728 — https://4ort.xyz/entity/q84026728 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q84026728 · Last refreshed: May 7, 2026