Q91369534

white dwarf in the constellation Serpens

Thing white_dwarf Q91369534

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Q91369534

Summary

Q91369534 is a white dwarf^[1].

Key Facts

Q91369534's instance of is recorded as white dwarf^[2].
Q91369534's constellation is recorded as Serpens^[3].
Q91369534's spectral class is recorded as DA^[4].
Q91369534's catalog code is recorded as WD 1544-006^[5].
Q91369534's catalog code is recorded as SDSS J154647.29-005003.6^[6].
Q91369534's catalog code is recorded as SDSS J154647.30-005003.5^[7].
Q91369534's catalog code is recorded as SDSS J154647.28-005003.5^[8].
Q91369534's catalog code is recorded as Gaia DR2 4404227862397169920^[9].
Q91369534's redshift is recorded as {'unit': '1', 'amount': '+0.00016'}^[10].
Q91369534's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.054'}^[11].
Q91369534's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.337'}^[12].
Q91369534's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.58'}^[13].
Q91369534's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.3'}^[14].
Q91369534's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.173'}^[15].
Q91369534's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.840'}^[16].
Q91369534's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.55'}^[17].
Q91369534's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.2195'}^[18].
Q91369534's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.4466'}^[19].
Q91369534's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+48'}^[20].
Q91369534's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+408.7305'}^[21].
Q91369534's SIMBAD ID is recorded as SDSS J154647.30-005003.5^[22].
Q91369534's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+236.69706187769870'}^[23].
Q91369534's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.83432664583640'}^[24].
Q91369534's epoch is recorded as J2000.0^[25].
Q91369534's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+22242'}^[26].

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Quick Facts

Instance of white dwarf

Properties

Apparent magnitude unit: 1, amount: +18.054, unit: 1, amount: +18.337, unit: 1, amount: +18.58, unit: 1, amount: +18.3, unit: 1, amount: +18.173, unit: 1, amount: +18.840, unit: 1, amount: +18.55, unit: 1, amount: +18.2195

Catalog code WD 1544-006, SDSS J154647.29-005003.6, SDSS J154647.30-005003.5, SDSS J154647.28-005003.5, Gaia DR2 4404227862397169920

Constellation Serpens

Declination unit: www.wikidata.org, amount: -0.83432664583640

Declination component of proper motion unit: www.wikidata.org, amount: -2.579

Distance from earth unit: www.wikidata.org, amount: +408.7305

Effective temperature unit: www.wikidata.org, amount: +22242, unit: www.wikidata.org, amount: +20724

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +2.4466

Radial velocity unit: www.wikidata.org, amount: +48

Redshift unit: 1, amount: +0.00016

Right ascension unit: www.wikidata.org, amount: +236.69706187769870

Right ascension component of proper motion unit: www.wikidata.org, amount: -19.274

Spectral class DA

Surface gravity unit: www.wikidata.org, amount: +34000000, unit: www.wikidata.org, amount: +25000000

External References (2)

Gaia id 4404227862397169920

Simbad id SDSS J154647.30-005003.5

References

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

Direct Wikidata claims

[2] ↑ Q91369534 — instance of (P31): white dwarf. SIMBAD. wikidata.org.
[3] ↑ Q91369534 — constellation (P59): Serpens. wikidata.org.
[4] ↑ Q91369534 — spectral class (P215): DA. SDSS DR7 white dwarf catalog. wikidata.org.
[5] ↑ Q91369534 — catalog code (P528): WD 1544-006. SIMBAD. wikidata.org.
[6] ↑ Q91369534 — catalog code (P528): SDSS J154647.29-005003.6. SIMBAD. wikidata.org.
[7] ↑ Q91369534 — catalog code (P528): SDSS J154647.30-005003.5. SIMBAD. wikidata.org.
[8] ↑ Q91369534 — catalog code (P528): SDSS J154647.28-005003.5. SIMBAD. wikidata.org.
[9] ↑ Q91369534 — catalog code (P528): Gaia DR2 4404227862397169920. SIMBAD. wikidata.org.
[10] ↑ Q91369534 — redshift (P1090): {'unit': '1', 'amount': '+0.00016'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q91369534 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.054'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[12] ↑ Q91369534 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.337'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[13] ↑ Q91369534 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.58'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[14] ↑ Q91369534 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.3'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[15] ↑ Q91369534 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.173'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[16] ↑ Q91369534 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.840'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[17] ↑ Q91369534 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.55'}. SDSS DR7 white dwarf catalog. wikidata.org.
[18] ↑ Q91369534 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.2195'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q91369534 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.4466'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q91369534 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+48'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[21] ↑ Q91369534 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+408.7305'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q91369534 — SIMBAD ID (P3083): SDSS J154647.30-005003.5. wikidata.org.
[23] ↑ Q91369534 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+236.69706187769870'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q91369534 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.83432664583640'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q91369534 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q91369534 — effective temperature (P6879): {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+22242'}. SDSS DR7 white dwarf catalog. wikidata.org.

Class ancestry

[1] ↑ Q91369534 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). Q91369534. Retrieved May 7, 2026, from https://4ort.xyz/entity/q91369534

MLA “Q91369534.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q91369534.

BibTeX

@misc{4ortxyz_q91369534_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q91369534}}, year = {2026}, url = {https://4ort.xyz/entity/q91369534}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q91369534 — https://4ort.xyz/entity/q91369534 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q91369534 · Last refreshed: May 7, 2026