Q81945904

low-mass star in the constellation Hydra

Thing low_mass_star Q81945904

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Q81945904

Summary

Q81945904 is a low-mass star^[1].

Key Facts

Q81945904's instance of is recorded as low-mass star^[2].
Q81945904's constellation is recorded as Hydra^[3].
Q81945904's spectral class is recorded as M6V^[4].
Q81945904's catalog code is recorded as 2MASS J09345656+0557438^[5].
Q81945904's catalog code is recorded as SDSS J093456.53+055743.4^[6].
Q81945904's catalog code is recorded as SDSS J093456.54+055743.5^[7].
Q81945904's catalog code is recorded as Gaia DR2 3852498047179895168^[8].
Q81945904's redshift is recorded as {'unit': '1', 'amount': '+0.00014'}^[9].
Q81945904's apparent magnitude is recorded as {'unit': '1', 'amount': '+25.776'}^[10].
Q81945904's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.941'}^[11].
Q81945904's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.383'}^[12].
Q81945904's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.236'}^[13].
Q81945904's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.043'}^[14].
Q81945904's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.389'}^[15].
Q81945904's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.615'}^[16].
Q81945904's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.54'}^[17].
Q81945904's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.0732'}^[18].
Q81945904's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.7102'}^[19].
Q81945904's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+31'}^[20].
Q81945904's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+187.7'}^[21].
Q81945904's SIMBAD ID is recorded as 2MASS J09345656+0557438^[22].
Q81945904's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+143.73562581058740'}^[23].
Q81945904's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+5.96209056500400'}^[24].
Q81945904's epoch is recorded as J2000.0^[25].
Q81945904's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-42.163'}^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +25.776, unit: 1, amount: +22.941, unit: 1, amount: +21.383, unit: 1, amount: +19.236, unit: 1, amount: +18.043, unit: 1, amount: +16.389, unit: 1, amount: +15.615, unit: 1, amount: +15.54, unit: 1, amount: +20.0732

Catalog code 2MASS J09345656+0557438, SDSS J093456.53+055743.4, SDSS J093456.54+055743.5, Gaia DR2 3852498047179895168

Constellation Hydra

Declination unit: www.wikidata.org, amount: +5.96209056500400

Declination component of proper motion unit: www.wikidata.org, amount: -42.163

Distance from earth unit: www.wikidata.org, amount: +187.7

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +3.7102

Radial velocity unit: www.wikidata.org, amount: +31

Redshift unit: 1, amount: +0.00014

Right ascension unit: www.wikidata.org, amount: +143.73562581058740

Right ascension component of proper motion unit: www.wikidata.org, amount: -11.252

Spectral class M6V

External References (2)

Gaia id 3852498047179895168

Simbad id 2MASS J09345656+0557438

References

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

Direct Wikidata claims

[2] ↑ Q81945904 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81945904 — constellation (P59): Hydra. wikidata.org.
[4] ↑ Q81945904 — spectral class (P215): M6V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81945904 — catalog code (P528): 2MASS J09345656+0557438. SIMBAD. wikidata.org.
[6] ↑ Q81945904 — catalog code (P528): SDSS J093456.53+055743.4. SIMBAD. wikidata.org.
[7] ↑ Q81945904 — catalog code (P528): SDSS J093456.54+055743.5. SIMBAD. wikidata.org.
[8] ↑ Q81945904 — catalog code (P528): Gaia DR2 3852498047179895168. SIMBAD. wikidata.org.
[9] ↑ Q81945904 — redshift (P1090): {'unit': '1', 'amount': '+0.00014'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[10] ↑ Q81945904 — apparent magnitude (P1215): {'unit': '1', 'amount': '+25.776'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81945904 — apparent magnitude (P1215): {'unit': '1', 'amount': '+22.941'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81945904 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.383'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81945904 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.236'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81945904 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.043'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q81945904 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.389'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81945904 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.615'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81945904 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.54'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q81945904 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.0732'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81945904 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+3.7102'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81945904 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+31'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q81945904 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+187.7'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q81945904 — SIMBAD ID (P3083): 2MASS J09345656+0557438. wikidata.org.
[23] ↑ Q81945904 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+143.73562581058740'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81945904 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+5.96209056500400'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81945904 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81945904 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-42.163'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81945904 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). Q81945904. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81945904

MLA “Q81945904.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81945904.

BibTeX

@misc{4ortxyz_q81945904_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81945904}}, year = {2026}, url = {https://4ort.xyz/entity/q81945904}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81945904 — https://4ort.xyz/entity/q81945904 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81945904 · Last refreshed: May 7, 2026