Q85518542

Thing t_tauri_type_star Q85518542

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Q85518542

Summary

Q85518542 is a T Tauri-type star^[1].

Key Facts

Q85518542's instance of is recorded as T Tauri-type star^[2].
Q85518542's constellation is recorded as Orion^[3].
Q85518542's spectral class is recorded as K2e^[4].
Q85518542's catalog code is recorded as TYC 4764-17-1^[5].
Q85518542's catalog code is recorded as 2E 0515.4-0710^[6].
Q85518542's catalog code is recorded as 1E 0515.4-0710^[7].
Q85518542's catalog code is recorded as 2E 1245^[8].
Q85518542's catalog code is recorded as 2MASS J05175441-0708193^[9].
Q85518542's catalog code is recorded as 1RXS J051754.9-070819^[10].
Q85518542's catalog code is recorded as RX J0517.9-0708^[11].
Q85518542's catalog code is recorded as ASAS J051754-0708.2^[12].
Q85518542's catalog code is recorded as Gaia DR2 3207513157549768704^[13].
Q85518542's catalog code is recorded as V1855 Ori^[14].
Q85518542's type of variable star is recorded as rotating variable star^[15].
Q85518542's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.64'}^[16].
Q85518542's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.695'}^[17].
Q85518542's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.714'}^[18].
Q85518542's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.123'}^[19].
Q85518542's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.660'}^[20].
Q85518542's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.524'}^[21].
Q85518542's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.4744'}^[22].
Q85518542's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+11.3858'}^[23].
Q85518542's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+18.32'}^[24].
Q85518542's metallicity is recorded as {'unit': '1', 'amount': '+0.06'}^[25].
Q85518542's metallicity is recorded as {'unit': '1', 'amount': '+0.05'}^[26].

Body

Definition and Type

Q85518542's instance of is recorded as T Tauri-type star^[2].

⭐ Popularity Graph

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Quick Facts

Instance of T Tauri-type star

Properties

Apparent magnitude unit: 1, amount: +11.64, unit: 1, amount: +10.695, unit: 1, amount: +9.714, unit: 1, amount: +9.123, unit: 1, amount: +8.660, unit: 1, amount: +8.524, unit: 1, amount: +10.4744

Catalog code TYC 4764-17-1, 2E 0515.4-0710, 1E 0515.4-0710, 2E 1245, 2MASS J05175441-0708193, 1RXS J051754.9-070819, RX J0517.9-0708, ASAS J051754-0708.2, Gaia DR2 3207513157549768704, V1855 Ori

Constellation Orion

Declination unit: www.wikidata.org, amount: -7.13871979097370

Declination component of proper motion unit: www.wikidata.org, amount: +7.580

Distance from earth unit: www.wikidata.org, amount: +87.8287

Effective temperature unit: www.wikidata.org, amount: +5100

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: +0.06, unit: 1, amount: +0.05

Parallax unit: www.wikidata.org, amount: +11.3858

Radial velocity unit: www.wikidata.org, amount: +18.32

Right ascension unit: www.wikidata.org, amount: +79.47671619683860

Right ascension component of proper motion unit: www.wikidata.org, amount: +5.460

Spectral class K2e

Surface gravity unit: www.wikidata.org, amount: +16000

Type of variable star rotating variable star

External References (2)

Gaia id 3207513157550589696

Simbad id V* V1855 Ori

🏷️ Also known as

ru V1855 Ориона

References

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

Direct Wikidata claims

[2] ↑ Q85518542 — instance of (P31): T Tauri-type star. SIMBAD. wikidata.org.
[3] ↑ Q85518542 — constellation (P59): Orion. wikidata.org.
[4] ↑ Q85518542 — spectral class (P215): K2e. Medium-resolution Isaac Newton Telescope library of empirical spectra - II. The stellar atmospheric parameters. wikidata.org.
[5] ↑ Q85518542 — catalog code (P528): TYC 4764-17-1. SIMBAD. wikidata.org.
[6] ↑ Q85518542 — catalog code (P528): 2E 0515.4-0710. SIMBAD. wikidata.org.
[7] ↑ Q85518542 — catalog code (P528): 1E 0515.4-0710. SIMBAD. wikidata.org.
[8] ↑ Q85518542 — catalog code (P528): 2E 1245. SIMBAD. wikidata.org.
[9] ↑ Q85518542 — catalog code (P528): 2MASS J05175441-0708193. SIMBAD. wikidata.org.
[10] ↑ Q85518542 — catalog code (P528): 1RXS J051754.9-070819. SIMBAD. wikidata.org.
[11] ↑ Q85518542 — catalog code (P528): RX J0517.9-0708. SIMBAD. wikidata.org.
[12] ↑ Q85518542 — catalog code (P528): ASAS J051754-0708.2. SIMBAD. wikidata.org.
[13] ↑ Q85518542 — catalog code (P528): Gaia DR2 3207513157549768704. SIMBAD. wikidata.org.
[14] ↑ Q85518542 — catalog code (P528): V1855 Ori. wikidata.org.
[15] ↑ Q85518542 — type of variable star (P881): rotating variable star. ASAS photometry of ROSAT sources. I. Periodic variable stars coincident with bright sources from the ROSAT All Sky Survey. wikidata.org.
[16] ↑ Q85518542 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.64'}. The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
[17] ↑ Q85518542 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.695'}. ASAS photometry of ROSAT sources. I. Periodic variable stars coincident with bright sources from the ROSAT All Sky Survey. wikidata.org.
[18] ↑ Q85518542 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.714'}. ASAS photometry of ROSAT sources. I. Periodic variable stars coincident with bright sources from the ROSAT All Sky Survey. wikidata.org.
[19] ↑ Q85518542 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.123'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[20] ↑ Q85518542 — apparent magnitude (P1215): {'unit': '1', 'amount': '+8.660'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[21] ↑ Q85518542 — apparent magnitude (P1215): {'unit': '1', 'amount': '+8.524'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[22] ↑ Q85518542 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.4744'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q85518542 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+11.3858'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q85518542 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+18.32'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q85518542 — metallicity (P2227): {'unit': '1', 'amount': '+0.06'}. Crossing the Gould Belt in the Orion vicinity. wikidata.org.
[26] ↑ Q85518542 — metallicity (P2227): {'unit': '1', 'amount': '+0.05'}. Crossing the Gould Belt in the Orion vicinity. wikidata.org.

Class ancestry

[1] ↑ Q85518542 is an instance of T Tauri-type star (Q6232) [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). Q85518542. Retrieved May 7, 2026, from https://4ort.xyz/entity/q85518542

MLA “Q85518542.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q85518542.

BibTeX

@misc{4ortxyz_q85518542_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q85518542}}, year = {2026}, url = {https://4ort.xyz/entity/q85518542}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q85518542 — https://4ort.xyz/entity/q85518542 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q85518542 · Last refreshed: May 7, 2026