Q87011205

variable star

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Q87011205

Summary

Q87011205 is a variable star^[1].

Key Facts

Q87011205's instance of is recorded as variable star^[2].
Q87011205's constellation is recorded as Cygnus^[3].
Q87011205's spectral class is recorded as K5III^[4].
Q87011205's catalog code is recorded as UCAC4 675-070874^[5].
Q87011205's catalog code is recorded as Gaia DR2 2127139968466820480^[6].
Q87011205's catalog code is recorded as 2MASS J19152845+4452172^[7].
Q87011205's catalog code is recorded as KIC 8681798^[8].
Q87011205's catalog code is recorded as ROTSE1 J191528.46+445214.7^[9].
Q87011205's type of variable star is recorded as RR Lyrae variable with asymmetric light curves^[10].
Q87011205's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.65'}^[11].
Q87011205's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.77'}^[12].
Q87011205's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.12'}^[13].
Q87011205's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.33'}^[14].
Q87011205's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.04'}^[15].
Q87011205's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.94'}^[16].
Q87011205's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.3014'}^[17].
Q87011205's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.459'}^[18].
Q87011205's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.587'}^[19].
Q87011205's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.314'}^[20].
Q87011205's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.0933'}^[21].
Q87011205's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-164.5'}^[22].
Q87011205's metallicity is recorded as {'unit': '1', 'amount': '-0.11'}^[23].
Q87011205's SIMBAD ID is recorded as ROTSE1 J191528.46+445214.7^[24].
Q87011205's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+288.86856356407170'}^[25].
Q87011205's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+44.87149010833250'}^[26].

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Quick Facts

Instance of variable star

Properties

Apparent magnitude unit: 1, amount: +11.65, unit: 1, amount: +12.77, unit: 1, amount: +14.12, unit: 1, amount: +13.33, unit: 1, amount: +15.04, unit: 1, amount: +12.94, unit: 1, amount: +12.3014, unit: 1, amount: +9.459, unit: 1, amount: +8.587, unit: 1, amount: +8.314

Catalog code UCAC4 675-070874, Gaia DR2 2127139968466820480, 2MASS J19152845+4452172, KIC 8681798, ROTSE1 J191528.46+445214.7

Constellation Cygnus

Declination unit: www.wikidata.org, amount: +44.87149010833250

Declination component of proper motion unit: www.wikidata.org, amount: -3.946

Effective temperature unit: www.wikidata.org, amount: +3569

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: -0.11

Parallax unit: www.wikidata.org, amount: +0.0933

Radial velocity unit: www.wikidata.org, amount: -164.5

Right ascension unit: www.wikidata.org, amount: +288.86856356407170

Right ascension component of proper motion unit: www.wikidata.org, amount: -2.870

Spectral class K5III

Surface gravity unit: www.wikidata.org, amount: +16

Type of variable star RR Lyrae variable with asymmetric light curves

External References (2)

Gaia id 2127139968466820480

Simbad id ROTSE1 J191528.46+445214.7

References

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

Direct Wikidata claims

[2] ↑ Q87011205 — instance of (P31): variable star. SIMBAD. wikidata.org.
[3] ↑ Q87011205 — constellation (P59): Cygnus. wikidata.org.
[4] ↑ Q87011205 — spectral class (P215): K5III. Activity indicators and stellar parameters of the Kepler targets. An application of the ROTFIT pipeline to LAMOST-Kepler stellar spectra.. wikidata.org.
[5] ↑ Q87011205 — catalog code (P528): UCAC4 675-070874. SIMBAD. wikidata.org.
[6] ↑ Q87011205 — catalog code (P528): Gaia DR2 2127139968466820480. SIMBAD. wikidata.org.
[7] ↑ Q87011205 — catalog code (P528): 2MASS J19152845+4452172. SIMBAD. wikidata.org.
[8] ↑ Q87011205 — catalog code (P528): KIC 8681798. SIMBAD. wikidata.org.
[9] ↑ Q87011205 — catalog code (P528): ROTSE1 J191528.46+445214.7. SIMBAD. wikidata.org.
[10] ↑ Q87011205 — type of variable star (P881): RR Lyrae variable with asymmetric light curves. ROTSE all-sky surveys for variable stars. I. Test fields. wikidata.org.
[11] ↑ Q87011205 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.65'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[12] ↑ Q87011205 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.77'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[13] ↑ Q87011205 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.12'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[14] ↑ Q87011205 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.33'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[15] ↑ Q87011205 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.04'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[16] ↑ Q87011205 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.94'}. Fourth USNO CCD Astrograph Catalog. wikidata.org.
[17] ↑ Q87011205 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.3014'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q87011205 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.459'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[19] ↑ Q87011205 — apparent magnitude (P1215): {'unit': '1', 'amount': '+8.587'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[20] ↑ Q87011205 — apparent magnitude (P1215): {'unit': '1', 'amount': '+8.314'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[21] ↑ Q87011205 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.0933'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q87011205 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-164.5'}. Activity indicators and stellar parameters of the Kepler targets. An application of the ROTFIT pipeline to LAMOST-Kepler stellar spectra.. wikidata.org.
[23] ↑ Q87011205 — metallicity (P2227): {'unit': '1', 'amount': '-0.11'}. Activity indicators and stellar parameters of the Kepler targets. An application of the ROTFIT pipeline to LAMOST-Kepler stellar spectra.. wikidata.org.
[24] ↑ Q87011205 — SIMBAD ID (P3083): ROTSE1 J191528.46+445214.7. wikidata.org.
[25] ↑ Q87011205 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+288.86856356407170'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q87011205 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+44.87149010833250'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q87011205 is an instance of variable star (Q6243) [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). Q87011205. Retrieved May 7, 2026, from https://4ort.xyz/entity/q87011205

MLA “Q87011205.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q87011205.

BibTeX

@misc{4ortxyz_q87011205_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q87011205}}, year = {2026}, url = {https://4ort.xyz/entity/q87011205}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q87011205 — https://4ort.xyz/entity/q87011205 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q87011205 · Last refreshed: May 7, 2026