HD 209240

star in the constellation Aquarius

Thing high_proper_motion_star Q3780771

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HD 209240

Summary

HD 209240 is a high proper-motion star^[1].

Key Facts

HD 209240's instance of is recorded as high proper-motion star^[2].
HD 209240's constellation is recorded as Aquarius^[3].
HD 209240's spectral class is recorded as K0III^[4].
HD 209240's catalog code is recorded as 2MASS J22021183-1754124^[5].
HD 209240's catalog code is recorded as BD-18 6056^[6].
HD 209240's catalog code is recorded as FK5 3761^[7].
HD 209240's catalog code is recorded as GC 30816^[8].
HD 209240's catalog code is recorded as GCRV 13836^[9].
HD 209240's catalog code is recorded as GSC 06379-01891^[10].
HD 209240's catalog code is recorded as HD 209240^[11].
HD 209240's catalog code is recorded as HIC 108784^[12].
HD 209240's catalog code is recorded as HIP 108784^[13].
HD 209240's catalog code is recorded as HR 8394^[14].
HD 209240's catalog code is recorded as IRAS 21594-1808^[15].
HD 209240's catalog code is recorded as N30 4854^[16].
HD 209240's catalog code is recorded as PPM 239700^[17].
HD 209240's catalog code is recorded as SAO 164827^[18].
HD 209240's catalog code is recorded as TYC 6379-1891-1^[19].
HD 209240's catalog code is recorded as uvby98 100209240^[20].
HD 209240's catalog code is recorded as YZ 108 9391^[21].
HD 209240's catalog code is recorded as WEB 19568^[22].
HD 209240's catalog code is recorded as Gaia DR2 6826344849017893888^[23].
HD 209240's apparent magnitude is recorded as {'unit': '1', 'amount': '+7.300'}^[24].
HD 209240's apparent magnitude is recorded as {'unit': '1', 'amount': '+6.283'}^[25].
HD 209240's apparent magnitude is recorded as {'unit': '1', 'amount': '+6.0040'}^[26].

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Quick Facts

Instance of high proper-motion star

Properties

Apparent magnitude unit: 1, amount: +7.300, unit: 1, amount: +6.283, unit: 1, amount: +6.0040, unit: 1, amount: +4.870, unit: 1, amount: +4.176, unit: 1, amount: +4.091

Catalog code 2MASS J22021183-1754124, BD-18 6056, FK5 3761, GC 30816, GCRV 13836, GSC 06379-01891, HD 209240, HIC 108784, HIP 108784, HR 8394, IRAS 21594-1808, N30 4854, PPM 239700, SAO 164827, TYC 6379-1891-1, uvby98 100209240, YZ 108 9391, WEB 19568, Gaia DR2 6826344849017893888

Constellation Aquarius

Declination unit: www.wikidata.org, amount: -17.90347334242880

Declination component of proper motion unit: www.wikidata.org, amount: -59.178

Distance from earth unit: www.wikidata.org, amount: +94.6486

Effective temperature unit: www.wikidata.org, amount: +4742

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: -0.04

Parallax unit: www.wikidata.org, amount: +10.5654

Radial velocity unit: www.wikidata.org, amount: -13.92

Right ascension unit: www.wikidata.org, amount: +330.54939947131290

Right ascension component of proper motion unit: www.wikidata.org, amount: +119.527

Spectral class K0III

Stellar rotational velocity unit: www.wikidata.org, amount: +0.0

Surface gravity unit: www.wikidata.org, amount: +800

External References (3)

Gaia id 6826344849017893888

Google knowledge graph id /g/1225dn2c

Simbad id HD 209240

🌐 Available in 2 languages

itHD 209240 zhHD 209240

References

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

Direct Wikidata claims

[2] ↑ Q3780771 — instance of (P31): high proper-motion star. SIMBAD. wikidata.org.
[3] ↑ Q3780771 — constellation (P59): Aquarius. wikidata.org.
[4] ↑ Q3780771 — spectral class (P215): K0III. Q66617557. wikidata.org.
[5] ↑ Q3780771 — catalog code (P528): 2MASS J22021183-1754124. SIMBAD. wikidata.org.
[6] ↑ Q3780771 — catalog code (P528): BD-18 6056. SIMBAD. wikidata.org.
[7] ↑ Q3780771 — catalog code (P528): FK5 3761. SIMBAD. wikidata.org.
[8] ↑ Q3780771 — catalog code (P528): GC 30816. SIMBAD. wikidata.org.
[9] ↑ Q3780771 — catalog code (P528): GCRV 13836. SIMBAD. wikidata.org.
[10] ↑ Q3780771 — catalog code (P528): GSC 06379-01891. SIMBAD. wikidata.org.
[11] ↑ Q3780771 — catalog code (P528): HD 209240. SIMBAD. wikidata.org.
[12] ↑ Q3780771 — catalog code (P528): HIC 108784. SIMBAD. wikidata.org.
[13] ↑ Q3780771 — catalog code (P528): HIP 108784. SIMBAD. wikidata.org.
[14] ↑ Q3780771 — catalog code (P528): HR 8394. SIMBAD. wikidata.org.
[15] ↑ Q3780771 — catalog code (P528): IRAS 21594-1808. SIMBAD. wikidata.org.
[16] ↑ Q3780771 — catalog code (P528): N30 4854. SIMBAD. wikidata.org.
[17] ↑ Q3780771 — catalog code (P528): PPM 239700. SIMBAD. wikidata.org.
[18] ↑ Q3780771 — catalog code (P528): SAO 164827. SIMBAD. wikidata.org.
[19] ↑ Q3780771 — catalog code (P528): TYC 6379-1891-1. SIMBAD. wikidata.org.
[20] ↑ Q3780771 — catalog code (P528): uvby98 100209240. SIMBAD. wikidata.org.
[21] ↑ Q3780771 — catalog code (P528): YZ 108 9391. SIMBAD. wikidata.org.
[22] ↑ Q3780771 — catalog code (P528): WEB 19568. SIMBAD. wikidata.org.
[23] ↑ Q3780771 — catalog code (P528): Gaia DR2 6826344849017893888. SIMBAD. wikidata.org.
[24] ↑ Q3780771 — apparent magnitude (P1215): {'unit': '1', 'amount': '+7.300'}. The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
[25] ↑ Q3780771 — apparent magnitude (P1215): {'unit': '1', 'amount': '+6.283'}. The Tycho-2 catalogue of the 2.5 million brightest stars. wikidata.org.
[26] ↑ Q3780771 — apparent magnitude (P1215): {'unit': '1', 'amount': '+6.0040'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q3780771 is an instance of high proper-motion star (Q2247863) [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). HD 209240. Retrieved May 7, 2026, from https://4ort.xyz/entity/q3780771

MLA “HD 209240.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q3780771.

BibTeX

@misc{4ortxyz_q3780771_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{HD 209240}}, year = {2026}, url = {https://4ort.xyz/entity/q3780771}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): HD 209240 — https://4ort.xyz/entity/q3780771 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q3780771 · Last refreshed: May 7, 2026