Q81804917

star in the constellation Hydra

Thing star Q81804917

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Q81804917

Summary

Q81804917 is a star^[1].

Key Facts

Q81804917's instance of is recorded as star^[2].
Q81804917's constellation is recorded as Hydra^[3].
Q81804917's catalog code is recorded as TYC 5469-624-1^[4].
Q81804917's catalog code is recorded as RAVE J094018.2-121246^[5].
Q81804917's catalog code is recorded as 2MASS J09401824-1212456^[6].
Q81804917's catalog code is recorded as Gaia DR1 5691639876965892224^[7].
Q81804917's catalog code is recorded as Gaia DR2 5691639876965892224^[8].
Q81804917's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.765'}^[9].
Q81804917's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.576'}^[10].
Q81804917's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.564'}^[11].
Q81804917's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.194'}^[12].
Q81804917's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.720'}^[13].
Q81804917's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.893'}^[14].
Q81804917's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.628'}^[15].
Q81804917's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.550'}^[16].
Q81804917's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.6066'}^[17].
Q81804917's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.0861'}^[18].
Q81804917's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+11.79'}^[19].
Q81804917's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+479.3634'}^[20].
Q81804917's SIMBAD ID is recorded as TYC 5469-624-1^[21].
Q81804917's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+145.07598758417350'}^[22].
Q81804917's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-12.21271117400030'}^[23].
Q81804917's epoch is recorded as J2000.0^[24].
Q81804917's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+6557'}^[25].
Q81804917's surface gravity is recorded as {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+13000'}^[26].

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Quick Facts

Instance of star

Properties

Apparent magnitude unit: 1, amount: +10.765, unit: 1, amount: +10.576, unit: 1, amount: +10.564, unit: 1, amount: +12.194, unit: 1, amount: +11.720, unit: 1, amount: +11.893, unit: 1, amount: +11.628, unit: 1, amount: +11.550, unit: 1, amount: +11.6066

Catalog code TYC 5469-624-1, RAVE J094018.2-121246, 2MASS J09401824-1212456, Gaia DR1 5691639876965892224, Gaia DR2 5691639876965892224

Constellation Hydra

Declination unit: www.wikidata.org, amount: -12.21271117400030

Declination component of proper motion unit: www.wikidata.org, amount: -7.220

Distance from earth unit: www.wikidata.org, amount: +479.3634

Effective temperature unit: www.wikidata.org, amount: +6557

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +2.0861

Radial velocity unit: www.wikidata.org, amount: +11.79

Right ascension unit: www.wikidata.org, amount: +145.07598758417350

Right ascension component of proper motion unit: www.wikidata.org, amount: +0.539

Surface gravity unit: www.wikidata.org, amount: +13000

External References (2)

Gaia id 5691639876965892224

Simbad id TYC 5469-624-1

References

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

Direct Wikidata claims

[2] ↑ Q81804917 — instance of (P31): star. SIMBAD. wikidata.org.
[3] ↑ Q81804917 — constellation (P59): Hydra. wikidata.org.
[4] ↑ Q81804917 — catalog code (P528): TYC 5469-624-1. SIMBAD. wikidata.org.
[5] ↑ Q81804917 — catalog code (P528): RAVE J094018.2-121246. SIMBAD. wikidata.org.
[6] ↑ Q81804917 — catalog code (P528): 2MASS J09401824-1212456. SIMBAD. wikidata.org.
[7] ↑ Q81804917 — catalog code (P528): Gaia DR1 5691639876965892224. SIMBAD. wikidata.org.
[8] ↑ Q81804917 — catalog code (P528): Gaia DR2 5691639876965892224. SIMBAD. wikidata.org.
[9] ↑ Q81804917 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.765'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[10] ↑ Q81804917 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.576'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[11] ↑ Q81804917 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.564'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[12] ↑ Q81804917 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.194'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[13] ↑ Q81804917 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.720'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[14] ↑ Q81804917 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.893'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[15] ↑ Q81804917 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.628'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[16] ↑ Q81804917 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.550'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[17] ↑ Q81804917 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.6066'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q81804917 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.0861'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81804917 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+11.79'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81804917 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+479.3634'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q81804917 — SIMBAD ID (P3083): TYC 5469-624-1. wikidata.org.
[22] ↑ Q81804917 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+145.07598758417350'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81804917 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-12.21271117400030'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81804917 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81804917 — effective temperature (P6879): {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+6557'}. The radial velocity experiment (RAVE): fourth data release. wikidata.org.
[26] ↑ Q81804917 — surface gravity (P7015): {'unit': 'http://www.wikidata.org/entity/Q39699418', 'amount': '+13000'}. The radial velocity experiment (RAVE): fourth data release. wikidata.org.

Class ancestry

[1] ↑ Q81804917 is an instance of star (Q523) [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). Q81804917. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81804917

MLA “Q81804917.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81804917.

BibTeX

@misc{4ortxyz_q81804917_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81804917}}, year = {2026}, url = {https://4ort.xyz/entity/q81804917}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81804917 — https://4ort.xyz/entity/q81804917 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81804917 · Last refreshed: May 7, 2026