Q89821210

rotating variable star in the constellation Cygnus

Thing rotating_variable_star Q89821210

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Q89821210

Summary

Q89821210 is a rotating variable star^[1].

Key Facts

Q89821210's instance of is recorded as rotating variable star^[2].
Q89821210's constellation is recorded as Cygnus^[3].
Q89821210's spectral class is recorded as A4V^[4].
Q89821210's spectral class is recorded as A2III^[5].
Q89821210's spectral class is recorded as A6V^[6].
Q89821210's catalog code is recorded as GSC 03140-00290^[7].
Q89821210's catalog code is recorded as TYC 3140-290-1^[8].
Q89821210's catalog code is recorded as CSI+39-19473 2^[9].
Q89821210's catalog code is recorded as HD 225971^[10].
Q89821210's catalog code is recorded as 2MASS J19490377+3932541^[11].
Q89821210's catalog code is recorded as KIC 4488313^[12].
Q89821210's catalog code is recorded as Gaia DR1 2073255411853464448^[13].
Q89821210's catalog code is recorded as Gaia DR2 2073255416163028224^[14].
Q89821210's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.63'}^[15].
Q89821210's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.75'}^[16].
Q89821210's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.241'}^[17].
Q89821210's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.219'}^[18].
Q89821210's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.148'}^[19].
Q89821210's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.7097'}^[20].
Q89821210's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.8354'}^[21].
Q89821210's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+16.9'}^[22].
Q89821210's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+20.6'}^[23].
Q89821210's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+50.0'}^[24].
Q89821210's metallicity is recorded as {'unit': '1', 'amount': '-0.21'}^[25].
Q89821210's metallicity is recorded as {'unit': '1', 'amount': '-0.16'}^[26].

Body

Definition and Type

Q89821210's instance of is recorded as rotating variable star^[2].

⭐ Popularity Graph

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Quick Facts

Instance of rotating variable star

Properties

Apparent magnitude unit: 1, amount: +11.63, unit: 1, amount: +11.75, unit: 1, amount: +11.241, unit: 1, amount: +11.219, unit: 1, amount: +11.148, unit: 1, amount: +11.7097

Catalog code GSC 03140-00290, TYC 3140-290-1, CSI+39-19473 2, HD 225971, 2MASS J19490377+3932541, KIC 4488313, Gaia DR1 2073255411853464448, Gaia DR2 2073255416163028224

Constellation Cygnus

Declination unit: www.wikidata.org, amount: +39.54835777898260

Declination component of proper motion unit: www.wikidata.org, amount: -2.282

Distance from earth unit: www.wikidata.org, amount: +1197.0314

Effective temperature unit: www.wikidata.org, amount: +8609, unit: www.wikidata.org, amount: +9279, unit: www.wikidata.org, amount: +7961

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: -0.21, unit: 1, amount: -0.16, unit: 1, amount: -0.17

Parallax unit: www.wikidata.org, amount: +0.8354

Radial velocity unit: www.wikidata.org, amount: +16.9, unit: www.wikidata.org, amount: +20.6, unit: www.wikidata.org, amount: +50.0

Right ascension unit: www.wikidata.org, amount: +297.26574152902810

Right ascension component of proper motion unit: www.wikidata.org, amount: -0.999

Spectral class A4V, A2III, A6V

Stellar rotational velocity unit: www.wikidata.org, amount: +208

Surface gravity unit: www.wikidata.org, amount: +6500, unit: www.wikidata.org, amount: +7200, unit: www.wikidata.org, amount: +9000

External References (2)

Gaia id 2073255416163028224

Simbad id HD 225971

References

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

Direct Wikidata claims

[2] ↑ Q89821210 — instance of (P31): rotating variable star. SIMBAD. wikidata.org.
[3] ↑ Q89821210 — constellation (P59): Cygnus. wikidata.org.
[4] ↑ Q89821210 — spectral class (P215): A4V. Activity indicators and stellar parameters of the Kepler targets. An application of the ROTFIT pipeline to LAMOST-Kepler stellar spectra.. wikidata.org.
[5] ↑ Q89821210 — spectral class (P215): A2III. Activity indicators and stellar parameters of the Kepler targets. An application of the ROTFIT pipeline to LAMOST-Kepler stellar spectra.. wikidata.org.
[6] ↑ Q89821210 — spectral class (P215): A6V. Activity indicators and stellar parameters of the Kepler targets. An application of the ROTFIT pipeline to LAMOST-Kepler stellar spectra.. wikidata.org.
[7] ↑ Q89821210 — catalog code (P528): GSC 03140-00290. SIMBAD. wikidata.org.
[8] ↑ Q89821210 — catalog code (P528): TYC 3140-290-1. SIMBAD. wikidata.org.
[9] ↑ Q89821210 — catalog code (P528): CSI+39-19473 2. SIMBAD. wikidata.org.
[10] ↑ Q89821210 — catalog code (P528): HD 225971. SIMBAD. wikidata.org.
[11] ↑ Q89821210 — catalog code (P528): 2MASS J19490377+3932541. SIMBAD. wikidata.org.
[12] ↑ Q89821210 — catalog code (P528): KIC 4488313. SIMBAD. wikidata.org.
[13] ↑ Q89821210 — catalog code (P528): Gaia DR1 2073255411853464448. SIMBAD. wikidata.org.
[14] ↑ Q89821210 — catalog code (P528): Gaia DR2 2073255416163028224. SIMBAD. wikidata.org.
[15] ↑ Q89821210 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.63'}. The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
[16] ↑ Q89821210 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.75'}. The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
[17] ↑ Q89821210 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.241'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q89821210 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.219'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[19] ↑ Q89821210 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.148'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[20] ↑ Q89821210 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.7097'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q89821210 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.8354'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q89821210 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+16.9'}. Activity indicators and stellar parameters of the Kepler targets. An application of the ROTFIT pipeline to LAMOST-Kepler stellar spectra.. wikidata.org.
[23] ↑ Q89821210 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+20.6'}. Activity indicators and stellar parameters of the Kepler targets. An application of the ROTFIT pipeline to LAMOST-Kepler stellar spectra.. wikidata.org.
[24] ↑ Q89821210 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+50.0'}. Activity indicators and stellar parameters of the Kepler targets. An application of the ROTFIT pipeline to LAMOST-Kepler stellar spectra.. wikidata.org.
[25] ↑ Q89821210 — metallicity (P2227): {'unit': '1', 'amount': '-0.21'}. Activity indicators and stellar parameters of the Kepler targets. An application of the ROTFIT pipeline to LAMOST-Kepler stellar spectra.. wikidata.org.
[26] ↑ Q89821210 — metallicity (P2227): {'unit': '1', 'amount': '-0.16'}. Activity indicators and stellar parameters of the Kepler targets. An application of the ROTFIT pipeline to LAMOST-Kepler stellar spectra.. wikidata.org.

Class ancestry

[1] ↑ Q89821210 is an instance of rotating variable star (Q2168098) [P31, primary]. Wikidata. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). Q89821210. Retrieved May 7, 2026, from https://4ort.xyz/entity/q89821210

MLA “Q89821210.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q89821210.

BibTeX

@misc{4ortxyz_q89821210_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q89821210}}, year = {2026}, url = {https://4ort.xyz/entity/q89821210}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q89821210 — https://4ort.xyz/entity/q89821210 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q89821210 · Last refreshed: May 7, 2026