Q89267530

white dwarf in the constellation Serpens

Thing white_dwarf Q89267530

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Q89267530

Summary

Q89267530 is a white dwarf^[1].

Key Facts

Q89267530's instance of is recorded as white dwarf^[2].
Q89267530's constellation is recorded as Serpens^[3].
Q89267530's spectral class is recorded as DA^[4].
Q89267530's catalog code is recorded as WD 1545-001^[5].
Q89267530's catalog code is recorded as SDSS J154832.75-001718.0^[6].
Q89267530's catalog code is recorded as SDSS J154832.76-001718.0^[7].
Q89267530's catalog code is recorded as SDSS J154832.75-001717.9^[8].
Q89267530's catalog code is recorded as SDSS J154832.76-001717.9^[9].
Q89267530's catalog code is recorded as Gaia DR2 4410446807540828288^[10].
Q89267530's redshift is recorded as {'unit': '1', 'amount': '+0.00024'}^[11].
Q89267530's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.598'}^[12].
Q89267530's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.455'}^[13].
Q89267530's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.01'}^[14].
Q89267530's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.89'}^[15].
Q89267530's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.8'}^[16].
Q89267530's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.178'}^[17].
Q89267530's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.345'}^[18].
Q89267530's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.211'}^[19].
Q89267530's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.1777'}^[20].
Q89267530's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+8.8542'}^[21].
Q89267530's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+72'}^[22].
Q89267530's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+112.9408'}^[23].
Q89267530's SIMBAD ID is recorded as GALEX J154832.7-001717^[24].
Q89267530's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+237.13649385909940'}^[25].
Q89267530's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.28833789456270'}^[26].

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +18.598, unit: 1, amount: +18.455, unit: 1, amount: +18.01, unit: 1, amount: +17.89, unit: 1, amount: +17.8, unit: 1, amount: +18.178, unit: 1, amount: +18.345, unit: 1, amount: +18.211, unit: 1, amount: +18.1777

Catalog code WD 1545-001, SDSS J154832.75-001718.0, SDSS J154832.76-001718.0, SDSS J154832.75-001717.9, SDSS J154832.76-001717.9, Gaia DR2 4410446807540828288

Constellation Serpens

Declination unit: www.wikidata.org, amount: -0.28833789456270

Declination component of proper motion unit: www.wikidata.org, amount: +6.971

Distance from earth unit: www.wikidata.org, amount: +112.9408

Effective temperature unit: www.wikidata.org, amount: +9817

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +8.8542

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

Redshift unit: 1, amount: +0.00024

Right ascension unit: www.wikidata.org, amount: +237.13649385909940

Right ascension component of proper motion unit: www.wikidata.org, amount: -49.556

Spectral class DA

Surface gravity unit: www.wikidata.org, amount: +310000000

External References (2)

Gaia id 4410446807540828288

Simbad id GALEX J154832.7-001717

References

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

Direct Wikidata claims

[2] ↑ Q89267530 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q89267530 — constellation (P59): Serpens. wikidata.org.
[4] ↑ Q89267530 — spectral class (P215): DA. SDSS DR7 white dwarf catalog. wikidata.org.
[5] ↑ Q89267530 — catalog code (P528): WD 1545-001. SIMBAD. wikidata.org.
[6] ↑ Q89267530 — catalog code (P528): SDSS J154832.75-001718.0. SIMBAD. wikidata.org.
[7] ↑ Q89267530 — catalog code (P528): SDSS J154832.76-001718.0. SIMBAD. wikidata.org.
[8] ↑ Q89267530 — catalog code (P528): SDSS J154832.75-001717.9. SIMBAD. wikidata.org.
[9] ↑ Q89267530 — catalog code (P528): SDSS J154832.76-001717.9. SIMBAD. wikidata.org.
[10] ↑ Q89267530 — catalog code (P528): Gaia DR2 4410446807540828288. SIMBAD. wikidata.org.
[11] ↑ Q89267530 — redshift (P1090): {'unit': '1', 'amount': '+0.00024'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q89267530 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.598'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[13] ↑ Q89267530 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.455'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[14] ↑ Q89267530 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.01'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[15] ↑ Q89267530 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.89'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[16] ↑ Q89267530 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.8'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[17] ↑ Q89267530 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.178'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[18] ↑ Q89267530 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.345'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[19] ↑ Q89267530 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.211'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[20] ↑ Q89267530 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.1777'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q89267530 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+8.8542'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q89267530 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+72'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[23] ↑ Q89267530 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+112.9408'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q89267530 — SIMBAD ID (P3083): GALEX J154832.7-001717. wikidata.org.
[25] ↑ Q89267530 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+237.13649385909940'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q89267530 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.28833789456270'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q89267530 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). Q89267530. Retrieved May 7, 2026, from https://4ort.xyz/entity/q89267530

MLA “Q89267530.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q89267530.

BibTeX

@misc{4ortxyz_q89267530_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q89267530}}, year = {2026}, url = {https://4ort.xyz/entity/q89267530}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q89267530 — https://4ort.xyz/entity/q89267530 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q89267530 · Last refreshed: May 7, 2026