HVS 4

Thing hypervelocity_star Q1566141

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HVS 4

Summary

HVS 4 is a hypervelocity star^[1].

Key Facts

HVS 4's instance of is recorded as hypervelocity star^[2].
HVS 4's constellation is recorded as Cancer^[3].
HVS 4's spectral class is recorded as B^[4].
HVS 4's catalog code is recorded as SDSS J091301.00+305120.0^[5].
HVS 4's catalog code is recorded as SDSS J091301.01+305119.8^[6].
HVS 4's catalog code is recorded as SDSS J091301.00+305119.9^[7].
HVS 4's catalog code is recorded as Gaia DR2 699811079173836928^[8].
HVS 4's redshift is recorded as {'unit': '1', 'amount': '+0.00202'}^[9].
HVS 4's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.1'}^[10].
HVS 4's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.5'}^[11].
HVS 4's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.6089'}^[12].
HVS 4's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.93'}^[13].
HVS 4's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.23'}^[14].
HVS 4's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.838'}^[15].
HVS 4's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.371'}^[16].
HVS 4's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.743'}^[17].
HVS 4's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.012'}^[18].
HVS 4's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.3632'}^[19].
HVS 4's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+611'}^[20].
HVS 4's metallicity is recorded as {'unit': '1', 'amount': '+0.0'}^[21].
HVS 4's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+59'}^[22].
HVS 4's Google Knowledge Graph ID is recorded as /g/122kccgp^[23].
HVS 4's SIMBAD ID is recorded as [BGK2006] HV 4^[24].
HVS 4's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+138.25417896020270'}^[25].
HVS 4's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+30.85552476526300'}^[26].

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Quick Facts

Instance of hypervelocity star

Properties

Apparent magnitude unit: 1, amount: +18.1, unit: 1, amount: +18.5, unit: 1, amount: +18.6089, unit: 1, amount: +18.93, unit: 1, amount: +19.23, unit: 1, amount: +18.838, unit: 1, amount: +18.371, unit: 1, amount: +18.743, unit: 1, amount: +19.012

Catalog code SDSS J091301.00+305120.0, SDSS J091301.01+305119.8, SDSS J091301.00+305119.9, Gaia DR2 699811079173836928

Constellation Cancer

Declination unit: www.wikidata.org, amount: +30.85552476526300

Declination component of proper motion unit: www.wikidata.org, amount: -1.254

Distance from earth unit: www.wikidata.org, amount: +59

Effective temperature unit: www.wikidata.org, amount: +7049, unit: www.wikidata.org, amount: +15000

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Metallicity unit: 1, amount: +0.0

Parallax unit: www.wikidata.org, amount: +0.3632

Radial velocity unit: www.wikidata.org, amount: +611

Redshift unit: 1, amount: +0.00202

Right ascension unit: www.wikidata.org, amount: +138.25417896020270

Right ascension component of proper motion unit: www.wikidata.org, amount: -0.001

Spectral class B

Surface gravity unit: www.wikidata.org, amount: +360000000, unit: www.wikidata.org, amount: +1780000

External References (3)

Gaia id 699811079173836928

Google knowledge graph id /g/122kccgp

Simbad id [BGK2006] HV 4

🌐 Available in 2 languages

deHVS 4 ruHVS 4

🏷️ Also known as

de HVS 4 de Hypervelocity Star

References

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

Direct Wikidata claims

[2] ↑ Q1566141 — instance of (P31): hypervelocity star. SIMBAD. wikidata.org.
[3] ↑ Q1566141 — constellation (P59): Cancer. wikidata.org.
[4] ↑ Q1566141 — spectral class (P215): B. MMT hypervelocity star survey. II. Five new unbound stars. wikidata.org.
[5] ↑ Q1566141 — catalog code (P528): SDSS J091301.00+305120.0. SIMBAD. wikidata.org.
[6] ↑ Q1566141 — catalog code (P528): SDSS J091301.01+305119.8. SIMBAD. wikidata.org.
[7] ↑ Q1566141 — catalog code (P528): SDSS J091301.00+305119.9. SIMBAD. wikidata.org.
[8] ↑ Q1566141 — catalog code (P528): Gaia DR2 699811079173836928. SIMBAD. wikidata.org.
[9] ↑ Q1566141 — redshift (P1090): {'unit': '1', 'amount': '+0.00202'}. The SDSS Photometric Catalog, Release 8. wikidata.org.
[10] ↑ Q1566141 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.1'}. SIMBAD. wikidata.org.
[11] ↑ Q1566141 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.5'}. SIMBAD. wikidata.org.
[12] ↑ Q1566141 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.6089'}. Gaia Data Release 2. wikidata.org.
[13] ↑ Q1566141 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.93'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[14] ↑ Q1566141 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.23'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[15] ↑ Q1566141 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.838'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[16] ↑ Q1566141 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.371'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[17] ↑ Q1566141 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.743'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[18] ↑ Q1566141 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.012'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[19] ↑ Q1566141 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.3632'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q1566141 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+611'}. MMT hypervelocity star survey. II. Five new unbound stars. wikidata.org.
[21] ↑ Q1566141 — metallicity (P2227): {'unit': '1', 'amount': '+0.0'}. Hypervelocity Stars. I. The Spectroscopic Survey. wikidata.org.
[22] ↑ Q1566141 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+59'}. DA white dwarfs in Sloan Digital Sky Survey Data Release 7 and a search for infrared excess emission. wikidata.org.
[23] ↑ Q1566141 — Google Knowledge Graph ID (P2671): /g/122kccgp. wikidata.org.
[24] ↑ Q1566141 — SIMBAD ID (P3083): [BGK2006] HV 4. wikidata.org.
[25] ↑ Q1566141 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+138.25417896020270'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q1566141 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+30.85552476526300'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q1566141 is an instance of hypervelocity star (Q1036344) [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). HVS 4. Retrieved May 7, 2026, from https://4ort.xyz/entity/q1566141

MLA “HVS 4.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q1566141.

BibTeX

@misc{4ortxyz_q1566141_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{HVS 4}}, year = {2026}, url = {https://4ort.xyz/entity/q1566141}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): HVS 4 — https://4ort.xyz/entity/q1566141 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q1566141 · Last refreshed: May 7, 2026