Q77921372

hot subdwarf star in the constellation Ursa Major

Thing hot_subdwarf_star Q77921372

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Q77921372

Summary

Q77921372 is a hot subdwarf star^[1].

Key Facts

Q77921372's instance of is recorded as hot subdwarf star^[2].
Q77921372's constellation is recorded as Ursa Major^[3].
Q77921372's spectral class is recorded as sdO^[4].
Q77921372's catalog code is recorded as LB 242^[5].
Q77921372's catalog code is recorded as PG 1224+583^[6].
Q77921372's catalog code is recorded as SBSS 1224+582^[7].
Q77921372's catalog code is recorded as SDSS J122637.11+575927.5^[8].
Q77921372's catalog code is recorded as SDSS J122637.12+575927.6^[9].
Q77921372's catalog code is recorded as SDSS J122637.12+575927.7^[10].
Q77921372's catalog code is recorded as Gaia DR2 1574846932714731008^[11].
Q77921372's redshift is recorded as {'unit': '1', 'amount': '-0.00065'}^[12].
Q77921372's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.39'}^[13].
Q77921372's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.661'}^[14].
Q77921372's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.873'}^[15].
Q77921372's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.400'}^[16].
Q77921372's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.753'}^[17].
Q77921372's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.092'}^[18].
Q77921372's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.1777'}^[19].
Q77921372's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.1163'}^[20].
Q77921372's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-195'}^[21].
Q77921372's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+613'}^[22].
Q77921372's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+186.65470590625880'}^[23].
Q77921372's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+57.99105468304610'}^[24].
Q77921372's epoch is recorded as J2000.0^[25].
Q77921372's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+17505'}^[26].

Body

Definition and Type

Q77921372's instance of is recorded as hot subdwarf star^[2].

⭐ Popularity Graph

0/100 established

Quick Facts

Instance of hot subdwarf star

Properties

Apparent magnitude unit: 1, amount: +16.39, unit: 1, amount: +16.661, unit: 1, amount: +16.873, unit: 1, amount: +17.400, unit: 1, amount: +17.753, unit: 1, amount: +18.092, unit: 1, amount: +17.1777

Catalog code LB 242, PG 1224+583, SBSS 1224+582, SDSS J122637.11+575927.5, SDSS J122637.12+575927.6, SDSS J122637.12+575927.7, Gaia DR2 1574846932714731008

Constellation Ursa Major

Declination unit: www.wikidata.org, amount: +57.99105468304610

Declination component of proper motion unit: www.wikidata.org, amount: -12.941

Distance from earth unit: www.wikidata.org, amount: +613

Effective temperature unit: www.wikidata.org, amount: +17505, unit: www.wikidata.org, amount: +30000

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +0.1163

Radial velocity unit: www.wikidata.org, amount: -195

Redshift unit: 1, amount: -0.00065

Right ascension unit: www.wikidata.org, amount: +186.65470590625880

Right ascension component of proper motion unit: www.wikidata.org, amount: -3.674

Spectral class sdO

Surface gravity unit: www.wikidata.org, amount: +26000000

External References (2)

Gaia id 1574846932714731008

Simbad id PG 1224+583

References

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

Direct Wikidata claims

[2] ↑ Q77921372 — instance of (P31): hot subdwarf star. SIMBAD. wikidata.org.
[3] ↑ Q77921372 — constellation (P59): Ursa Major. wikidata.org.
[4] ↑ Q77921372 — spectral class (P215): sdO. A Catalog of Spectroscopically Confirmed White Dwarfs from the Sloan Digital Sky Survey Data Release 4. wikidata.org.
[5] ↑ Q77921372 — catalog code (P528): LB 242. SIMBAD. wikidata.org.
[6] ↑ Q77921372 — catalog code (P528): PG 1224+583. SIMBAD. wikidata.org.
[7] ↑ Q77921372 — catalog code (P528): SBSS 1224+582. SIMBAD. wikidata.org.
[8] ↑ Q77921372 — catalog code (P528): SDSS J122637.11+575927.5. SIMBAD. wikidata.org.
[9] ↑ Q77921372 — catalog code (P528): SDSS J122637.12+575927.6. SIMBAD. wikidata.org.
[10] ↑ Q77921372 — catalog code (P528): SDSS J122637.12+575927.7. SIMBAD. wikidata.org.
[11] ↑ Q77921372 — catalog code (P528): Gaia DR2 1574846932714731008. SIMBAD. wikidata.org.
[12] ↑ Q77921372 — redshift (P1090): {'unit': '1', 'amount': '-0.00065'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q77921372 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.39'}. SIMBAD. wikidata.org.
[14] ↑ Q77921372 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.661'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[15] ↑ Q77921372 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.873'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[16] ↑ Q77921372 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.400'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[17] ↑ Q77921372 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.753'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[18] ↑ Q77921372 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.092'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[19] ↑ Q77921372 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.1777'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q77921372 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.1163'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q77921372 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-195'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[22] ↑ Q77921372 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+613'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[23] ↑ Q77921372 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+186.65470590625880'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q77921372 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+57.99105468304610'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q77921372 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q77921372 — effective temperature (P6879): {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+17505'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.

Class ancestry

[1] ↑ Q77921372 is an instance of hot subdwarf star (Q54231557) [P31, primary]. Wikidata. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). Q77921372. Retrieved May 7, 2026, from https://4ort.xyz/entity/q77921372

MLA “Q77921372.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q77921372.

BibTeX

@misc{4ortxyz_q77921372_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q77921372}}, year = {2026}, url = {https://4ort.xyz/entity/q77921372}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q77921372 — https://4ort.xyz/entity/q77921372 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q77921372 · Last refreshed: May 7, 2026