Q81939145

low-mass star in the constellation Hydra

Thing low_mass_star Q81939145

Press Enter · cited answer in seconds

Q81939145

Summary

Q81939145 is a low-mass star^[1].

Key Facts

Q81939145's instance of is recorded as low-mass star^[2].
Q81939145's constellation is recorded as Hydra^[3].
Q81939145's spectral class is recorded as M7V^[4].
Q81939145's catalog code is recorded as 2MASS J08572944+0110066^[5].
Q81939145's catalog code is recorded as SDSS J085729.46+011006.7^[6].
Q81939145's catalog code is recorded as SDSS J085729.46+011006.8^[7].
Q81939145's catalog code is recorded as Gaia DR2 576799882921710464^[8].
Q81939145's redshift is recorded as {'unit': '1', 'amount': '-0.00004'}^[9].
Q81939145's apparent magnitude is recorded as {'unit': '1', 'amount': '+25.210'}^[10].
Q81939145's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.087'}^[11].
Q81939145's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.505'}^[12].
Q81939145's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.553'}^[13].
Q81939145's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.498'}^[14].
Q81939145's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.123'}^[15].
Q81939145's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.317'}^[16].
Q81939145's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.714'}^[17].
Q81939145's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.3083'}^[18].
Q81939145's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+5.0943'}^[19].
Q81939145's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+7'}^[20].
Q81939145's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+196.2978'}^[21].
Q81939145's SIMBAD ID is recorded as 2MASS J08572944+0110066^[22].
Q81939145's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+134.37275420801480'}^[23].
Q81939145's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+1.16854188614630'}^[24].
Q81939145's epoch is recorded as J2000.0^[25].
Q81939145's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+2.872'}^[26].

⭐ Popularity Graph

0/100 long tail

Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +25.210, unit: 1, amount: +22.087, unit: 1, amount: +20.505, unit: 1, amount: +18.553, unit: 1, amount: +17.498, unit: 1, amount: +16.123, unit: 1, amount: +15.317, unit: 1, amount: +14.714, unit: 1, amount: +19.3083

Catalog code 2MASS J08572944+0110066, SDSS J085729.46+011006.7, SDSS J085729.46+011006.8, Gaia DR2 576799882921710464

Constellation Hydra

Declination unit: www.wikidata.org, amount: +1.16854188614630

Declination component of proper motion unit: www.wikidata.org, amount: +2.872

Distance from earth unit: www.wikidata.org, amount: +196.2978

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +5.0943

Radial velocity unit: www.wikidata.org, amount: +7

Redshift unit: 1, amount: -0.00004

Right ascension unit: www.wikidata.org, amount: +134.37275420801480

Right ascension component of proper motion unit: www.wikidata.org, amount: -11.973

Spectral class M7V

External References (2)

Gaia id 576799882921710464

Simbad id 2MASS J08572944+0110066

References

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

Direct Wikidata claims

[2] ↑ Q81939145 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81939145 — constellation (P59): Hydra. wikidata.org.
[4] ↑ Q81939145 — spectral class (P215): M7V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81939145 — catalog code (P528): 2MASS J08572944+0110066. SIMBAD. wikidata.org.
[6] ↑ Q81939145 — catalog code (P528): SDSS J085729.46+011006.7. SIMBAD. wikidata.org.
[7] ↑ Q81939145 — catalog code (P528): SDSS J085729.46+011006.8. SIMBAD. wikidata.org.
[8] ↑ Q81939145 — catalog code (P528): Gaia DR2 576799882921710464. SIMBAD. wikidata.org.
[9] ↑ Q81939145 — redshift (P1090): {'unit': '1', 'amount': '-0.00004'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[10] ↑ Q81939145 — apparent magnitude (P1215): {'unit': '1', 'amount': '+25.210'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81939145 — apparent magnitude (P1215): {'unit': '1', 'amount': '+22.087'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81939145 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.505'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81939145 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.553'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81939145 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.498'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q81939145 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.123'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81939145 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.317'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81939145 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.714'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q81939145 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.3083'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81939145 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+5.0943'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81939145 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+7'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q81939145 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+196.2978'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q81939145 — SIMBAD ID (P3083): 2MASS J08572944+0110066. wikidata.org.
[23] ↑ Q81939145 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+134.37275420801480'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81939145 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+1.16854188614630'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81939145 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81939145 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+2.872'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81939145 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). Q81939145. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81939145

MLA “Q81939145.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81939145.

BibTeX

@misc{4ortxyz_q81939145_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81939145}}, year = {2026}, url = {https://4ort.xyz/entity/q81939145}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81939145 — https://4ort.xyz/entity/q81939145 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81939145 · Last refreshed: May 7, 2026