Q91388409

star in the constellation Hydra

Thing star Q91388409

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Q91388409

Summary

Q91388409 is a star^[1].

Key Facts

Q91388409's instance of is recorded as star^[2].
Q91388409's constellation is recorded as Hydra^[3].
Q91388409's catalog code is recorded as BD-13 2919^[4].
Q91388409's catalog code is recorded as GSC 05473-00074^[5].
Q91388409's catalog code is recorded as PPM 221851^[6].
Q91388409's catalog code is recorded as TYC 5473-74-1^[7].
Q91388409's catalog code is recorded as 2MASS J09403615-1429029^[8].
Q91388409's catalog code is recorded as RAVE J094036.2-142903^[9].
Q91388409's catalog code is recorded as Gaia DR2 5688840833895108224^[10].
Q91388409's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.205'}^[11].
Q91388409's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.935'}^[12].
Q91388409's apparent magnitude is recorded as {'unit': '1', 'amount': '+8.849'}^[13].
Q91388409's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.854'}^[14].
Q91388409's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.278'}^[15].
Q91388409's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.670'}^[16].
Q91388409's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.155'}^[17].
Q91388409's apparent magnitude is recorded as {'unit': '1', 'amount': '+9.981'}^[18].
Q91388409's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.1478'}^[19].
Q91388409's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+21.652'}^[20].
Q91388409's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+21.65'}^[21].
Q91388409's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+199'}^[22].
Q91388409's SIMBAD ID is recorded as BD-13 2919^[23].
Q91388409's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+145.15059117759810'}^[24].
Q91388409's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-14.48419860127150'}^[25].
Q91388409's epoch is recorded as J2000.0^[26].

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Quick Facts

Instance of star

Properties

Apparent magnitude unit: 1, amount: +9.205, unit: 1, amount: +8.935, unit: 1, amount: +8.849, unit: 1, amount: +10.854, unit: 1, amount: +10.278, unit: 1, amount: +10.670, unit: 1, amount: +10.155, unit: 1, amount: +9.981, unit: 1, amount: +10.1478

Catalog code BD-13 2919, GSC 05473-00074, PPM 221851, TYC 5473-74-1, 2MASS J09403615-1429029, RAVE J094036.2-142903, Gaia DR2 5688840833895108224

Constellation Hydra

Declination unit: www.wikidata.org, amount: -14.48419860127150

Declination component of proper motion unit: www.wikidata.org, amount: -10.1

Distance from earth unit: www.wikidata.org, amount: +199

Effective temperature unit: www.wikidata.org, amount: +5453

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Radial velocity unit: www.wikidata.org, amount: +21.652, unit: www.wikidata.org, amount: +21.65

Right ascension unit: www.wikidata.org, amount: +145.15059117759810

Right ascension component of proper motion unit: www.wikidata.org, amount: -13.2

Surface gravity unit: www.wikidata.org, amount: +4800

External References (2)

Gaia id 5688840833895407360

Simbad id BD-13 2919

References

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

Direct Wikidata claims

[2] ↑ Q91388409 — instance of (P31): star. SIMBAD. wikidata.org.
[3] ↑ Q91388409 — constellation (P59): Hydra. wikidata.org.
[4] ↑ Q91388409 — catalog code (P528): BD-13 2919. SIMBAD. wikidata.org.
[5] ↑ Q91388409 — catalog code (P528): GSC 05473-00074. SIMBAD. wikidata.org.
[6] ↑ Q91388409 — catalog code (P528): PPM 221851. SIMBAD. wikidata.org.
[7] ↑ Q91388409 — catalog code (P528): TYC 5473-74-1. SIMBAD. wikidata.org.
[8] ↑ Q91388409 — catalog code (P528): 2MASS J09403615-1429029. SIMBAD. wikidata.org.
[9] ↑ Q91388409 — catalog code (P528): RAVE J094036.2-142903. SIMBAD. wikidata.org.
[10] ↑ Q91388409 — catalog code (P528): Gaia DR2 5688840833895108224. SIMBAD. wikidata.org.
[11] ↑ Q91388409 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.205'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[12] ↑ Q91388409 — apparent magnitude (P1215): {'unit': '1', 'amount': '+8.935'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[13] ↑ Q91388409 — apparent magnitude (P1215): {'unit': '1', 'amount': '+8.849'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q91388409 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.854'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[15] ↑ Q91388409 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.278'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[16] ↑ Q91388409 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.670'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[17] ↑ Q91388409 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.155'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[18] ↑ Q91388409 — apparent magnitude (P1215): {'unit': '1', 'amount': '+9.981'}. APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. wikidata.org.
[19] ↑ Q91388409 — apparent magnitude (P1215): {'unit': '1', 'amount': '+10.1478'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q91388409 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+21.652'}. The Radial Velocity Experiment (RAVE): fifth data release. wikidata.org.
[21] ↑ Q91388409 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+21.65'}. The Radial Velocity Experiment (RAVE): fifth data release. wikidata.org.
[22] ↑ Q91388409 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+199'}. The Radial Velocity Experiment (RAVE): fifth data release. wikidata.org.
[23] ↑ Q91388409 — SIMBAD ID (P3083): BD-13 2919. wikidata.org.
[24] ↑ Q91388409 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+145.15059117759810'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q91388409 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-14.48419860127150'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q91388409 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q91388409 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). Q91388409. Retrieved May 7, 2026, from https://4ort.xyz/entity/q91388409

MLA “Q91388409.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q91388409.

BibTeX

@misc{4ortxyz_q91388409_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q91388409}}, year = {2026}, url = {https://4ort.xyz/entity/q91388409}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q91388409 — https://4ort.xyz/entity/q91388409 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q91388409 · Last refreshed: May 7, 2026