Q81940769

low-mass star in the constellation Hydra

Thing low_mass_star Q81940769

Press Enter · cited answer in seconds

Q81940769

Summary

Q81940769 is a low-mass star^[1].

Key Facts

Q81940769's instance of is recorded as low-mass star^[2].
Q81940769's constellation is recorded as Hydra^[3].
Q81940769's spectral class is recorded as M5V^[4].
Q81940769's catalog code is recorded as 2MASS J08135045+0331546^[5].
Q81940769's catalog code is recorded as SDSS J081350.43+033154.3^[6].
Q81940769's catalog code is recorded as SDSS J081350.43+033154.4^[7].
Q81940769's catalog code is recorded as Gaia DR2 3091488322603527680^[8].
Q81940769's redshift is recorded as {'unit': '1', 'amount': '+0.00038'}^[9].
Q81940769's apparent magnitude is recorded as {'unit': '1', 'amount': '+23.864'}^[10].
Q81940769's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.802'}^[11].
Q81940769's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.005'}^[12].
Q81940769's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.155'}^[13].
Q81940769's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.136'}^[14].
Q81940769's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.625'}^[15].
Q81940769's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.200'}^[16].
Q81940769's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.20'}^[17].
Q81940769's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.7766'}^[18].
Q81940769's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.2490'}^[19].
Q81940769's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+140'}^[20].
Q81940769's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+279.5'}^[21].
Q81940769's SIMBAD ID is recorded as 2MASS J08135045+0331546^[22].
Q81940769's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+123.46016181752550'}^[23].
Q81940769's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+3.53175415821060'}^[24].
Q81940769's epoch is recorded as J2000.0^[25].
Q81940769's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+5.451'}^[26].

⭐ Popularity Graph

0/100 long tail

Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +23.864, unit: 1, amount: +22.802, unit: 1, amount: +21.005, unit: 1, amount: +19.155, unit: 1, amount: +18.136, unit: 1, amount: +16.625, unit: 1, amount: +16.200, unit: 1, amount: +15.20, unit: 1, amount: +19.7766

Catalog code 2MASS J08135045+0331546, SDSS J081350.43+033154.3, SDSS J081350.43+033154.4, Gaia DR2 3091488322603527680

Constellation Hydra

Declination unit: www.wikidata.org, amount: +3.53175415821060

Declination component of proper motion unit: www.wikidata.org, amount: +5.451

Distance from earth unit: www.wikidata.org, amount: +279.5

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +3.2490

Radial velocity unit: www.wikidata.org, amount: +140

Redshift unit: 1, amount: +0.00038

Right ascension unit: www.wikidata.org, amount: +123.46016181752550

Right ascension component of proper motion unit: www.wikidata.org, amount: -25.374

Spectral class M5V

External References (2)

Gaia id 3091488322603527680

Simbad id 2MASS J08135045+0331546

References

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

Direct Wikidata claims

[2] ↑ Q81940769 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81940769 — constellation (P59): Hydra. wikidata.org.
[4] ↑ Q81940769 — spectral class (P215): M5V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81940769 — catalog code (P528): 2MASS J08135045+0331546. SIMBAD. wikidata.org.
[6] ↑ Q81940769 — catalog code (P528): SDSS J081350.43+033154.3. SIMBAD. wikidata.org.
[7] ↑ Q81940769 — catalog code (P528): SDSS J081350.43+033154.4. SIMBAD. wikidata.org.
[8] ↑ Q81940769 — catalog code (P528): Gaia DR2 3091488322603527680. SIMBAD. wikidata.org.
[9] ↑ Q81940769 — redshift (P1090): {'unit': '1', 'amount': '+0.00038'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[10] ↑ Q81940769 — apparent magnitude (P1215): {'unit': '1', 'amount': '+23.864'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81940769 — apparent magnitude (P1215): {'unit': '1', 'amount': '+22.802'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81940769 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.005'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81940769 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.155'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81940769 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.136'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q81940769 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.625'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81940769 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.200'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81940769 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.20'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q81940769 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.7766'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81940769 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.2490'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81940769 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+140'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q81940769 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+279.5'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q81940769 — SIMBAD ID (P3083): 2MASS J08135045+0331546. wikidata.org.
[23] ↑ Q81940769 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+123.46016181752550'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81940769 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+3.53175415821060'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81940769 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81940769 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+5.451'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81940769 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). Q81940769. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81940769

MLA “Q81940769.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81940769.

BibTeX

@misc{4ortxyz_q81940769_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81940769}}, year = {2026}, url = {https://4ort.xyz/entity/q81940769}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81940769 — https://4ort.xyz/entity/q81940769 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81940769 · Last refreshed: May 7, 2026