Q81938518

low-mass star in the constellation Hydra

Thing low_mass_star Q81938518

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Q81938518

Summary

Q81938518 is a low-mass star^[1].

Key Facts

Q81938518's instance of is recorded as low-mass star^[2].
Q81938518's constellation is recorded as Hydra^[3].
Q81938518's spectral class is recorded as M6V^[4].
Q81938518's catalog code is recorded as 2MASS J08571103-0025170^[5].
Q81938518's catalog code is recorded as SDSS J085711.03-002517.1^[6].
Q81938518's catalog code is recorded as SDSS J085711.03-002517.0^[7].
Q81938518's catalog code is recorded as SDSS J085711.04-002517.0^[8].
Q81938518's catalog code is recorded as Gaia DR2 3074417137566406528^[9].
Q81938518's redshift is recorded as {'unit': '1', 'amount': '-0.00014'}^[10].
Q81938518's apparent magnitude is recorded as {'unit': '1', 'amount': '+24.895'}^[11].
Q81938518's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.129'}^[12].
Q81938518's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.631'}^[13].
Q81938518's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.623'}^[14].
Q81938518's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.543'}^[15].
Q81938518's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.917'}^[16].
Q81938518's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.503'}^[17].
Q81938518's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.16'}^[18].
Q81938518's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.4375'}^[19].
Q81938518's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.9947'}^[20].
Q81938518's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-8'}^[21].
Q81938518's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+200.2122'}^[22].
Q81938518's SIMBAD ID is recorded as 2MASS J08571103-0025170^[23].
Q81938518's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+134.29597447446400'}^[24].
Q81938518's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.42141947330260'}^[25].
Q81938518's epoch is recorded as J2000.0^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +24.895, unit: 1, amount: +22.129, unit: 1, amount: +20.631, unit: 1, amount: +18.623, unit: 1, amount: +17.543, unit: 1, amount: +15.917, unit: 1, amount: +15.503, unit: 1, amount: +15.16, unit: 1, amount: +19.4375

Catalog code 2MASS J08571103-0025170, SDSS J085711.03-002517.1, SDSS J085711.03-002517.0, SDSS J085711.04-002517.0, Gaia DR2 3074417137566406528

Constellation Hydra

Declination unit: www.wikidata.org, amount: -0.42141947330260

Declination component of proper motion unit: www.wikidata.org, amount: -23.935

Distance from earth unit: www.wikidata.org, amount: +200.2122

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +4.9947

Radial velocity unit: www.wikidata.org, amount: -8

Redshift unit: 1, amount: -0.00014

Right ascension unit: www.wikidata.org, amount: +134.29597447446400

Right ascension component of proper motion unit: www.wikidata.org, amount: -47.592

Spectral class M6V

External References (2)

Gaia id 3074417137566406528

Simbad id 2MASS J08571103-0025170

References

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

Direct Wikidata claims

[2] ↑ Q81938518 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81938518 — constellation (P59): Hydra. wikidata.org.
[4] ↑ Q81938518 — spectral class (P215): M6V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81938518 — catalog code (P528): 2MASS J08571103-0025170. SIMBAD. wikidata.org.
[6] ↑ Q81938518 — catalog code (P528): SDSS J085711.03-002517.1. SIMBAD. wikidata.org.
[7] ↑ Q81938518 — catalog code (P528): SDSS J085711.03-002517.0. SIMBAD. wikidata.org.
[8] ↑ Q81938518 — catalog code (P528): SDSS J085711.04-002517.0. SIMBAD. wikidata.org.
[9] ↑ Q81938518 — catalog code (P528): Gaia DR2 3074417137566406528. SIMBAD. wikidata.org.
[10] ↑ Q81938518 — redshift (P1090): {'unit': '1', 'amount': '-0.00014'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[11] ↑ Q81938518 — apparent magnitude (P1215): {'unit': '1', 'amount': '+24.895'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81938518 — apparent magnitude (P1215): {'unit': '1', 'amount': '+22.129'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81938518 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.631'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81938518 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.623'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q81938518 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.543'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[16] ↑ Q81938518 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.917'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81938518 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.503'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q81938518 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.16'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[19] ↑ Q81938518 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.4375'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81938518 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.9947'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q81938518 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-8'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q81938518 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+200.2122'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81938518 — SIMBAD ID (P3083): 2MASS J08571103-0025170. wikidata.org.
[24] ↑ Q81938518 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+134.29597447446400'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81938518 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.42141947330260'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81938518 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81938518 is an instance of low-mass star (Q12795622) [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). Q81938518. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81938518

MLA “Q81938518.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81938518.

BibTeX

@misc{4ortxyz_q81938518_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81938518}}, year = {2026}, url = {https://4ort.xyz/entity/q81938518}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81938518 — https://4ort.xyz/entity/q81938518 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81938518 · Last refreshed: May 7, 2026