Q81942153

low-mass star in the constellation Hydra

Thing low_mass_star Q81942153

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Q81942153

Summary

Q81942153 is a low-mass star^[1].

Key Facts

Q81942153's instance of is recorded as low-mass star^[2].
Q81942153's constellation is recorded as Hydra^[3].
Q81942153's spectral class is recorded as M7V^[4].
Q81942153's catalog code is recorded as 2MASS J09354376+0438445^[5].
Q81942153's catalog code is recorded as SDSS J093543.77+043844.4^[6].
Q81942153's catalog code is recorded as SDSS J093543.78+043844.4^[7].
Q81942153's catalog code is recorded as Gaia DR2 3851495670532428160^[8].
Q81942153's redshift is recorded as {'unit': '1', 'amount': '-0.00006'}^[9].
Q81942153's apparent magnitude is recorded as {'unit': '1', 'amount': '+25.430'}^[10].
Q81942153's apparent magnitude is recorded as {'unit': '1', 'amount': '+23.523'}^[11].
Q81942153's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.795'}^[12].
Q81942153's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.097'}^[13].
Q81942153's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.686'}^[14].
Q81942153's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.577'}^[15].
Q81942153's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.136'}^[16].
Q81942153's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.552'}^[17].
Q81942153's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.8320'}^[18].
Q81942153's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+7.3518'}^[19].
Q81942153's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+33'}^[20].
Q81942153's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+103.1'}^[21].
Q81942153's SIMBAD ID is recorded as 2MASS J09354376+0438445^[22].
Q81942153's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+143.93240367067260'}^[23].
Q81942153's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+4.64567222067530'}^[24].
Q81942153's epoch is recorded as J2000.0^[25].
Q81942153's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+5.022'}^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +25.430, unit: 1, amount: +23.523, unit: 1, amount: +21.795, unit: 1, amount: +19.097, unit: 1, amount: +17.686, unit: 1, amount: +15.577, unit: 1, amount: +15.136, unit: 1, amount: +14.552, unit: 1, amount: +19.8320

Catalog code 2MASS J09354376+0438445, SDSS J093543.77+043844.4, SDSS J093543.78+043844.4, Gaia DR2 3851495670532428160

Constellation Hydra

Declination unit: www.wikidata.org, amount: +4.64567222067530

Declination component of proper motion unit: www.wikidata.org, amount: +5.022

Distance from earth unit: www.wikidata.org, amount: +103.1

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +7.3518

Radial velocity unit: www.wikidata.org, amount: +33

Redshift unit: 1, amount: -0.00006

Right ascension unit: www.wikidata.org, amount: +143.93240367067260

Right ascension component of proper motion unit: www.wikidata.org, amount: -0.216

Spectral class M7V

External References (2)

Gaia id 3851495670532428160

Simbad id 2MASS J09354376+0438445

References

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

Direct Wikidata claims

[2] ↑ Q81942153 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81942153 — constellation (P59): Hydra. wikidata.org.
[4] ↑ Q81942153 — spectral class (P215): M7V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81942153 — catalog code (P528): 2MASS J09354376+0438445. SIMBAD. wikidata.org.
[6] ↑ Q81942153 — catalog code (P528): SDSS J093543.77+043844.4. SIMBAD. wikidata.org.
[7] ↑ Q81942153 — catalog code (P528): SDSS J093543.78+043844.4. SIMBAD. wikidata.org.
[8] ↑ Q81942153 — catalog code (P528): Gaia DR2 3851495670532428160. SIMBAD. wikidata.org.
[9] ↑ Q81942153 — redshift (P1090): {'unit': '1', 'amount': '-0.00006'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[10] ↑ Q81942153 — apparent magnitude (P1215): {'unit': '1', 'amount': '+25.430'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81942153 — apparent magnitude (P1215): {'unit': '1', 'amount': '+23.523'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81942153 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.795'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81942153 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.097'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81942153 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.686'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q81942153 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.577'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81942153 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.136'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81942153 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.552'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q81942153 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.8320'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81942153 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+7.3518'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81942153 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+33'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q81942153 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+103.1'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q81942153 — SIMBAD ID (P3083): 2MASS J09354376+0438445. wikidata.org.
[23] ↑ Q81942153 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+143.93240367067260'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81942153 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+4.64567222067530'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81942153 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81942153 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+5.022'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81942153 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). Q81942153. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81942153

MLA “Q81942153.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81942153.

BibTeX

@misc{4ortxyz_q81942153_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81942153}}, year = {2026}, url = {https://4ort.xyz/entity/q81942153}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81942153 — https://4ort.xyz/entity/q81942153 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81942153 · Last refreshed: May 7, 2026