Q88736980

possible red giant branch star in the constellation Cygnus

Thing possible_red_giant_branch_star Q88736980

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Q88736980

Summary

Q88736980 is a possible red giant branch star^[1].

Key Facts

Q88736980's instance of is recorded as possible red giant branch star^[2].
Q88736980's constellation is recorded as Cygnus^[3].
Q88736980's spectral class is recorded as K1IV^[4].
Q88736980's catalog code is recorded as AG+45 1637^[5].
Q88736980's catalog code is recorded as BD+44 3366^[6].
Q88736980's catalog code is recorded as HD 191809^[7].
Q88736980's catalog code is recorded as KIC 9125115^[8].
Q88736980's catalog code is recorded as PPM 59414^[9].
Q88736980's catalog code is recorded as SAO 49259^[10].
Q88736980's catalog code is recorded as 2MASS J20095995+4525393^[11].
Q88736980's catalog code is recorded as TYC 3559-340-1^[12].
Q88736980's catalog code is recorded as Gaia DR1 2082422555688572672^[13].
Q88736980's catalog code is recorded as Gaia DR2 2082422555688572672^[14].
Q88736980's apparent magnitude is recorded as {'unit': '1', 'amount': '+7.756'}^[15].
Q88736980's apparent magnitude is recorded as {'unit': '1', 'amount': '+7.173'}^[16].
Q88736980's apparent magnitude is recorded as {'unit': '1', 'amount': '+7.072'}^[17].
Q88736980's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.77'}^[18].
Q88736980's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.89'}^[19].
Q88736980's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.4174'}^[20].
Q88736980's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.2655'}^[21].
Q88736980's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-50.55'}^[22].
Q88736980's metallicity is recorded as {'unit': '1', 'amount': '+0.03'}^[23].
Q88736980's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+441.4037'}^[24].
Q88736980's SIMBAD ID is recorded as HD 191809^[25].
Q88736980's stellar rotational velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+0.00'}^[26].

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Quick Facts

Instance of possible red giant branch star

Properties

Apparent magnitude unit: 1, amount: +7.756, unit: 1, amount: +7.173, unit: 1, amount: +7.072, unit: 1, amount: +9.77, unit: 1, amount: +10.89, unit: 1, amount: +9.4174

Catalog code AG+45 1637, BD+44 3366, HD 191809, KIC 9125115, PPM 59414, SAO 49259, 2MASS J20095995+4525393, TYC 3559-340-1, Gaia DR1 2082422555688572672, Gaia DR2 2082422555688572672

Constellation Cygnus

Declination unit: www.wikidata.org, amount: +45.42756980127880

Declination component of proper motion unit: www.wikidata.org, amount: -6.584

Distance from earth unit: www.wikidata.org, amount: +441.4037

Effective temperature unit: www.wikidata.org, amount: +4707

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: +0.03

Parallax unit: www.wikidata.org, amount: +2.2655

Radial velocity unit: www.wikidata.org, amount: -50.55

Right ascension unit: www.wikidata.org, amount: +302.49980371898770

Right ascension component of proper motion unit: www.wikidata.org, amount: +8.104

Spectral class K1IV

Stellar rotational velocity unit: www.wikidata.org, amount: +0.00

Surface gravity unit: www.wikidata.org, amount: +460

External References (2)

Gaia id 2082422555688572672

Simbad id HD 191809

References

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

Direct Wikidata claims

[2] ↑ Q88736980 — instance of (P31): possible red giant branch star. SIMBAD. wikidata.org.
[3] ↑ Q88736980 — constellation (P59): Cygnus. wikidata.org.
[4] ↑ Q88736980 — spectral class (P215): K1IV. Activity indicators and stellar parameters of the Kepler targets. An application of the ROTFIT pipeline to LAMOST-Kepler stellar spectra.. wikidata.org.
[5] ↑ Q88736980 — catalog code (P528): AG+45 1637. SIMBAD. wikidata.org.
[6] ↑ Q88736980 — catalog code (P528): BD+44 3366. SIMBAD. wikidata.org.
[7] ↑ Q88736980 — catalog code (P528): HD 191809. SIMBAD. wikidata.org.
[8] ↑ Q88736980 — catalog code (P528): KIC 9125115. SIMBAD. wikidata.org.
[9] ↑ Q88736980 — catalog code (P528): PPM 59414. SIMBAD. wikidata.org.
[10] ↑ Q88736980 — catalog code (P528): SAO 49259. SIMBAD. wikidata.org.
[11] ↑ Q88736980 — catalog code (P528): 2MASS J20095995+4525393. SIMBAD. wikidata.org.
[12] ↑ Q88736980 — catalog code (P528): TYC 3559-340-1. SIMBAD. wikidata.org.
[13] ↑ Q88736980 — catalog code (P528): Gaia DR1 2082422555688572672. SIMBAD. wikidata.org.
[14] ↑ Q88736980 — catalog code (P528): Gaia DR2 2082422555688572672. SIMBAD. wikidata.org.
[15] ↑ Q88736980 — apparent magnitude (P1215): {'unit': '1', 'amount': '+7.756'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q88736980 — apparent magnitude (P1215): {'unit': '1', 'amount': '+7.173'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q88736980 — apparent magnitude (P1215): {'unit': '1', 'amount': '+7.072'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q88736980 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.77'}. The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
[19] ↑ Q88736980 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.89'}. The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
[20] ↑ Q88736980 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.4174'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q88736980 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.2655'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q88736980 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-50.55'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q88736980 — metallicity (P2227): {'unit': '1', 'amount': '+0.03'}. Activity indicators and stellar parameters of the Kepler targets. An application of the ROTFIT pipeline to LAMOST-Kepler stellar spectra.. wikidata.org.
[24] ↑ Q88736980 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+441.4037'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q88736980 — SIMBAD ID (P3083): HD 191809. wikidata.org.
[26] ↑ Q88736980 — stellar rotational velocity (P4296): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+0.00'}. The Space Interferometry Mission Astrometric Grid Giant Star Survey. III. Basic stellar parameters for an extended sample. wikidata.org.

Class ancestry

[1] ↑ Q88736980 is an instance of possible red giant branch star (Q72802727) [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). Q88736980. Retrieved May 7, 2026, from https://4ort.xyz/entity/q88736980

MLA “Q88736980.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q88736980.

BibTeX

@misc{4ortxyz_q88736980_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q88736980}}, year = {2026}, url = {https://4ort.xyz/entity/q88736980}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q88736980 — https://4ort.xyz/entity/q88736980 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q88736980 · Last refreshed: May 7, 2026