IU Boötis

Cepheid variable star in the constellation Boötes

Place cepheid_variable Q88939678

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IU Boötis

Summary

IU Boötis is a Cepheid variable^[1].

Key Facts

IU Boötis's instance of is recorded as Cepheid variable^[2].
IU Boötis's constellation is recorded as Boötes^[3].
IU Boötis's catalog code is recorded as 2RXP J141631.0+265527^[4].
IU Boötis's catalog code is recorded as 2MASS J14163088+2655250^[5].
IU Boötis's catalog code is recorded as 1RXS J141630.7+265523^[6].
IU Boötis's catalog code is recorded as 1SWASP J141630.88+265525.1^[7].
IU Boötis's catalog code is recorded as ROTSE1 J141630.86+265524.8^[8].
IU Boötis's catalog code is recorded as RX J1416.5+2655^[9].
IU Boötis's catalog code is recorded as [ZEH2003] RX J1416.5+2655 2^[10].
IU Boötis's catalog code is recorded as TYC 2010-659-1^[11].
IU Boötis's catalog code is recorded as 2XMM J141630.9+265526^[12].
IU Boötis's catalog code is recorded as SDSS J141630.88+265525.2^[13].
IU Boötis's catalog code is recorded as ASAS J141630+2655.3^[14].
IU Boötis's catalog code is recorded as Gaia DR1 1259623679243846144^[15].
IU Boötis's catalog code is recorded as Gaia DR2 1259623683539532160^[16].
IU Boötis's catalog code is recorded as IU Boo^[17].
IU Boötis's catalog code is recorded as TIC 156586360^[18].
IU Boötis's type of variable star is recorded as BY Draconis variable^[19].
IU Boötis's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.98'}^[20].
IU Boötis's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.13'}^[21].
IU Boötis's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.463'}^[22].
IU Boötis's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.662'}^[23].
IU Boötis's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.099'}^[24].
IU Boötis's apparent magnitude is recorded as {'unit': '1', 'amount': '+7.993'}^[25].
IU Boötis's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.004'}^[26].

Body

Designation and Status

IU Boötis's instance of is recorded as Cepheid variable^[2].

History and Context

Catalog codes include 2RXP J141631.0+265527^[4], 2MASS J14163088+2655250^[5], 1RXS J141630.7+265523^[6], 1SWASP J141630.88+265525.1^[7], ROTSE1 J141630.86+265524.8^[8], and RX J1416.5+2655^[9].

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Quick Facts

Instance of Cepheid variable

Properties

Apparent magnitude unit: 1, amount: +9.98, unit: 1, amount: +11.13, unit: 1, amount: +10.463, unit: 1, amount: +8.662, unit: 1, amount: +8.099, unit: 1, amount: +7.993, unit: 1, amount: +15.004, unit: 1, amount: +10.843, unit: 1, amount: +13.289, unit: 1, amount: +9.984, unit: 1, amount: +12.728, unit: 1, amount: +9.502, unit: 1, amount: +10.1901

Catalog code 2RXP J141631.0+265527, 2MASS J14163088+2655250, 1RXS J141630.7+265523, 1SWASP J141630.88+265525.1, ROTSE1 J141630.86+265524.8, RX J1416.5+2655, [ZEH2003] RX J1416.5+2655 2, TYC 2010-659-1, 2XMM J141630.9+265526, SDSS J141630.88+265525.2, ASAS J141630+2655.3, Gaia DR1 1259623679243846144, Gaia DR2 1259623683539532160, IU Boo, TIC 156586360

Constellation Boötes

Declination unit: www.wikidata.org, amount: +26.92362687360520

Declination component of proper motion unit: www.wikidata.org, amount: +17.153

Distance from earth unit: www.wikidata.org, amount: +334.8177

Effective temperature unit: www.wikidata.org, amount: +5626

Epoch J2000.0

Imported from wholeness_audit_2026-05-02

Metallicity unit: 1, amount: +0.19

Parallax unit: www.wikidata.org, amount: +2.9867

Right ascension unit: www.wikidata.org, amount: +214.12869987831240

Right ascension component of proper motion unit: www.wikidata.org, amount: -12.014

Surface gravity unit: www.wikidata.org, amount: +12600

Type of variable star BY Draconis variable

External References (2)

Gaia id 1259623683539532160

Simbad id V* IU Boo

🏷️ Also known as

en IU Boötis ru IU Волопаса

References

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

Direct Wikidata claims

[2] ↑ IU Boötis — instance of (P31): Cepheid variable. SIMBAD. wikidata.org.
[3] ↑ IU Boötis — constellation (P59): Boötes. VizieR. wikidata.org.
[4] ↑ IU Boötis — catalog code (P528): 2RXP J141631.0+265527. SIMBAD. wikidata.org.
[5] ↑ IU Boötis — catalog code (P528): 2MASS J14163088+2655250. SIMBAD. wikidata.org.
[6] ↑ IU Boötis — catalog code (P528): 1RXS J141630.7+265523. SIMBAD. wikidata.org.
[7] ↑ IU Boötis — catalog code (P528): 1SWASP J141630.88+265525.1. SIMBAD. wikidata.org.
[8] ↑ IU Boötis — catalog code (P528): ROTSE1 J141630.86+265524.8. SIMBAD. wikidata.org.
[9] ↑ IU Boötis — catalog code (P528): RX J1416.5+2655. SIMBAD. wikidata.org.
[10] ↑ IU Boötis — catalog code (P528): [ZEH2003] RX J1416.5+2655 2. SIMBAD. wikidata.org.
[11] ↑ IU Boötis — catalog code (P528): TYC 2010-659-1. SIMBAD. wikidata.org.
[12] ↑ IU Boötis — catalog code (P528): 2XMM J141630.9+265526. SIMBAD. wikidata.org.
[13] ↑ IU Boötis — catalog code (P528): SDSS J141630.88+265525.2. SIMBAD. wikidata.org.
[14] ↑ IU Boötis — catalog code (P528): ASAS J141630+2655.3. SIMBAD. wikidata.org.
[15] ↑ IU Boötis — catalog code (P528): Gaia DR1 1259623679243846144. SIMBAD. wikidata.org.
[16] ↑ IU Boötis — catalog code (P528): Gaia DR2 1259623683539532160. SIMBAD. wikidata.org.
[17] ↑ IU Boötis — catalog code (P528): IU Boo. SIMBAD. wikidata.org.
[18] ↑ IU Boötis — catalog code (P528): TIC 156586360. SIMBAD. wikidata.org.
[19] ↑ IU Boötis — type of variable star (P881): BY Draconis variable. Q56001295. wikidata.org.
[20] ↑ IU Boötis — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.98'}. New periodic variable stars coincident with ROSAT sources discovered using SuperWASP. wikidata.org.
[21] ↑ IU Boötis — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.13'}. The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
[22] ↑ IU Boötis — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.463'}. ASAS photometry of ROSAT sources. I. Periodic variable stars coincident with bright sources from the ROSAT All Sky Survey. wikidata.org.
[23] ↑ IU Boötis — apparent magnitude (P1215): {'unit': '1', 'amount': '+8.662'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[24] ↑ IU Boötis — apparent magnitude (P1215): {'unit': '1', 'amount': '+8.099'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[25] ↑ IU Boötis — apparent magnitude (P1215): {'unit': '1', 'amount': '+7.993'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[26] ↑ IU Boötis — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.004'}. The SDSS Photometric Catalog, Release 7. wikidata.org.

Class ancestry

[1] ↑ IU Boötis is an instance of Cepheid variable (Q188593) [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). IU Boötis. Retrieved May 3, 2026, from https://4ort.xyz/entity/iu-bo-tis

MLA “IU Boötis.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/iu-bo-tis.

BibTeX

@misc{4ortxyz_iu-bo-tis_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{IU Boötis}}, year = {2026}, url = {https://4ort.xyz/entity/iu-bo-tis}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): IU Boötis — https://4ort.xyz/entity/iu-bo-tis (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/iu-bo-tis · Last refreshed: May 3, 2026