Q87578821

star in the constellation Hydra

Thing star Q87578821

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Q87578821

Summary

Q87578821 is a star^[1].

Key Facts

Q87578821's instance of is recorded as star^[2].
Q87578821's constellation is recorded as Hydra^[3].
Q87578821's catalog code is recorded as GSC 06642-00815^[4].
Q87578821's catalog code is recorded as TYC 6642-815-1^[5].
Q87578821's catalog code is recorded as 2MASS J10464460-2704184^[6].
Q87578821's catalog code is recorded as RAVE J104644.6-270419^[7].
Q87578821's catalog code is recorded as Gaia DR1 5457666001599401216^[8].
Q87578821's catalog code is recorded as Gaia DR2 5457666005895337472^[9].
Q87578821's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.747'}^[10].
Q87578821's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.515'}^[11].
Q87578821's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.381'}^[12].
Q87578821's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.698'}^[13].
Q87578821's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.962'}^[14].
Q87578821's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.274'}^[15].
Q87578821's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.802'}^[16].
Q87578821's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.625'}^[17].
Q87578821's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.8447'}^[18].
Q87578821's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.9199'}^[19].
Q87578821's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+7.17'}^[20].
Q87578821's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+342.4775'}^[21].
Q87578821's SIMBAD ID is recorded as TYC 6642-815-1^[22].
Q87578821's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+161.68587159366250'}^[23].
Q87578821's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-27.07181317148790'}^[24].
Q87578821's epoch is recorded as J2000.0^[25].
Q87578821's effective temperature is recorded as {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+5961'}^[26].

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Quick Facts

Instance of star

Properties

Apparent magnitude unit: 1, amount: +9.747, unit: 1, amount: +9.515, unit: 1, amount: +9.381, unit: 1, amount: +11.698, unit: 1, amount: +10.962, unit: 1, amount: +11.274, unit: 1, amount: +10.802, unit: 1, amount: +10.625, unit: 1, amount: +10.8447

Catalog code GSC 06642-00815, TYC 6642-815-1, 2MASS J10464460-2704184, RAVE J104644.6-270419, Gaia DR1 5457666001599401216, Gaia DR2 5457666005895337472

Constellation Hydra

Declination unit: www.wikidata.org, amount: -27.07181317148790

Declination component of proper motion unit: www.wikidata.org, amount: -23.987

Distance from earth unit: www.wikidata.org, amount: +342.4775

Effective temperature unit: www.wikidata.org, amount: +5961

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +2.9199

Radial velocity unit: www.wikidata.org, amount: +7.17

Right ascension unit: www.wikidata.org, amount: +161.68587159366250

Right ascension component of proper motion unit: www.wikidata.org, amount: -16.209

Surface gravity unit: www.wikidata.org, amount: +19500

External References (2)

Gaia id 5457666005895769216

Simbad id TYC 6642-815-1

References

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

Direct Wikidata claims

[2] ↑ Q87578821 — instance of (P31): star. SIMBAD. wikidata.org.
[3] ↑ Q87578821 — constellation (P59): Hydra. wikidata.org.
[4] ↑ Q87578821 — catalog code (P528): GSC 06642-00815. SIMBAD. wikidata.org.
[5] ↑ Q87578821 — catalog code (P528): TYC 6642-815-1. SIMBAD. wikidata.org.
[6] ↑ Q87578821 — catalog code (P528): 2MASS J10464460-2704184. SIMBAD. wikidata.org.
[7] ↑ Q87578821 — catalog code (P528): RAVE J104644.6-270419. SIMBAD. wikidata.org.
[8] ↑ Q87578821 — catalog code (P528): Gaia DR1 5457666001599401216. SIMBAD. wikidata.org.
[9] ↑ Q87578821 — catalog code (P528): Gaia DR2 5457666005895337472. SIMBAD. wikidata.org.
[10] ↑ Q87578821 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.747'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[11] ↑ Q87578821 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.515'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[12] ↑ Q87578821 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.381'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[13] ↑ Q87578821 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.698'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[14] ↑ Q87578821 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.962'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[15] ↑ Q87578821 — apparent magnitude (P1215): {'unit': '1', 'amount': '+11.274'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[16] ↑ Q87578821 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.802'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[17] ↑ Q87578821 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.625'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[18] ↑ Q87578821 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.8447'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q87578821 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+2.9199'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q87578821 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+7.17'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q87578821 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+342.4775'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q87578821 — SIMBAD ID (P3083): TYC 6642-815-1. wikidata.org.
[23] ↑ Q87578821 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+161.68587159366250'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q87578821 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-27.07181317148790'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q87578821 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q87578821 — effective temperature (P6879): {'unit': 'http://www.wikidata.org/entity/Q11579', 'amount': '+5961'}. The radial velocity experiment (RAVE): fourth data release. wikidata.org.

Class ancestry

[1] ↑ Q87578821 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). Q87578821. Retrieved May 7, 2026, from https://4ort.xyz/entity/q87578821

MLA “Q87578821.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q87578821.

BibTeX

@misc{4ortxyz_q87578821_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q87578821}}, year = {2026}, url = {https://4ort.xyz/entity/q87578821}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q87578821 — https://4ort.xyz/entity/q87578821 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q87578821 · Last refreshed: May 7, 2026