Q91023429

hot subdwarf star in the constellation Ursa Major

Thing hot_subdwarf_star Q91023429

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Q91023429

Summary

Q91023429 is a hot subdwarf star^[1].

Key Facts

Q91023429's instance of is recorded as hot subdwarf star^[2].
Q91023429's constellation is recorded as Ursa Major^[3].
Q91023429's spectral class is recorded as DA^[4].
Q91023429's catalog code is recorded as SBSS 1219+551A^[5].
Q91023429's catalog code is recorded as SDSS J122154.02+545048.6^[6].
Q91023429's catalog code is recorded as SDSS J122153.99+545048.6^[7].
Q91023429's catalog code is recorded as Gaia DR2 1572778197291175936^[8].
Q91023429's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.0'}^[9].
Q91023429's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.48'}^[10].
Q91023429's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.726'}^[11].
Q91023429's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.853'}^[12].
Q91023429's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.110'}^[13].
Q91023429's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.356'}^[14].
Q91023429's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.1495'}^[15].
Q91023429's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.2939'}^[16].
Q91023429's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+185.47517972515260'}^[17].
Q91023429's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+54.84683937666750'}^[18].
Q91023429's epoch is recorded as J2000.0^[19].
Q91023429's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+43469'}^[20].
Q91023429's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+68000000'}^[21].
Q91023429's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+7.037'}^[22].
Q91023429's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-31.587'}^[23].

Body

Definition and Type

Q91023429's instance of is recorded as hot subdwarf star^[2].

⭐ Popularity Graph

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Quick Facts

Instance of hot subdwarf star

Properties

Apparent magnitude unit: 1, amount: +18.0, unit: 1, amount: +17.48, unit: 1, amount: +18.726, unit: 1, amount: +17.853, unit: 1, amount: +19.110, unit: 1, amount: +18.356, unit: 1, amount: +18.1495

Catalog code SBSS 1219+551A, SDSS J122154.02+545048.6, SDSS J122153.99+545048.6, Gaia DR2 1572778197291175936

Constellation Ursa Major

Declination unit: www.wikidata.org, amount: +54.84683937666750

Declination component of proper motion unit: www.wikidata.org, amount: +7.037

Effective temperature unit: www.wikidata.org, amount: +43469

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +1.2939

Right ascension unit: www.wikidata.org, amount: +185.47517972515260

Right ascension component of proper motion unit: www.wikidata.org, amount: -31.587

Spectral class DA

Surface gravity unit: www.wikidata.org, amount: +68000000

External References (2)

Gaia id 1572778197291175936

Simbad id SBSS 1219+551A

References

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

Direct Wikidata claims

[2] ↑ Q91023429 — instance of (P31): hot subdwarf star. SIMBAD. wikidata.org.
[3] ↑ Q91023429 — constellation (P59): Ursa Major. wikidata.org.
[4] ↑ Q91023429 — spectral class (P215): DA. New white dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 12. wikidata.org.
[5] ↑ Q91023429 — catalog code (P528): SBSS 1219+551A. SIMBAD. wikidata.org.
[6] ↑ Q91023429 — catalog code (P528): SDSS J122154.02+545048.6. SIMBAD. wikidata.org.
[7] ↑ Q91023429 — catalog code (P528): SDSS J122153.99+545048.6. SIMBAD. wikidata.org.
[8] ↑ Q91023429 — catalog code (P528): Gaia DR2 1572778197291175936. SIMBAD. wikidata.org.
[9] ↑ Q91023429 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.0'}. The Second Byurakan Survey. General Catalogue. wikidata.org.
[10] ↑ Q91023429 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.48'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[11] ↑ Q91023429 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.726'}. New white dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 12. wikidata.org.
[12] ↑ Q91023429 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.853'}. New white dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 12. wikidata.org.
[13] ↑ Q91023429 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.110'}. New white dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 12. wikidata.org.
[14] ↑ Q91023429 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.356'}. New white dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 12. wikidata.org.
[15] ↑ Q91023429 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.1495'}. Gaia Data Release 2. wikidata.org.
[16] ↑ Q91023429 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.2939'}. Gaia Data Release 2. wikidata.org.
[17] ↑ Q91023429 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+185.47517972515260'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q91023429 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+54.84683937666750'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q91023429 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[20] ↑ Q91023429 — effective temperature (P6879): {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+43469'}. New white dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 12. wikidata.org.
[21] ↑ Q91023429 — surface gravity (P7015): {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+68000000'}. New white dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 12. wikidata.org.
[22] ↑ Q91023429 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+7.037'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q91023429 — right ascension component of proper motion (P10752): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-31.587'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q91023429 is an instance of hot subdwarf star (Q54231557) [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). Q91023429. Retrieved May 7, 2026, from https://4ort.xyz/entity/q91023429

MLA “Q91023429.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q91023429.

BibTeX

@misc{4ortxyz_q91023429_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q91023429}}, year = {2026}, url = {https://4ort.xyz/entity/q91023429}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q91023429 — https://4ort.xyz/entity/q91023429 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q91023429 · Last refreshed: May 7, 2026