Q81942545

low-mass star in the constellation Hydra

Thing low_mass_star Q81942545

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Q81942545

Summary

Q81942545 is a low-mass star^[1].

Key Facts

Q81942545's instance of is recorded as low-mass star^[2].
Q81942545's constellation is recorded as Hydra^[3].
Q81942545's spectral class is recorded as M6V^[4].
Q81942545's catalog code is recorded as 2MASS J09300599-0031436^[5].
Q81942545's catalog code is recorded as SDSS J093005.98-003143.8^[6].
Q81942545's catalog code is recorded as SDSS J093005.98-003143.7^[7].
Q81942545's catalog code is recorded as SDSS J093005.99-003143.7^[8].
Q81942545's catalog code is recorded as Gaia DR2 3840496465445539072^[9].
Q81942545's redshift is recorded as {'unit': '1', 'amount': '+0.00016'}^[10].
Q81942545's apparent magnitude is recorded as {'unit': '1', 'amount': '+24.320'}^[11].
Q81942545's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.425'}^[12].
Q81942545's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.876'}^[13].
Q81942545's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.003'}^[14].
Q81942545's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.945'}^[15].
Q81942545's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.388'}^[16].
Q81942545's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.826'}^[17].
Q81942545's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.8084'}^[18].
Q81942545's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.2810'}^[19].
Q81942545's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+40'}^[20].
Q81942545's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+243.4'}^[21].
Q81942545's SIMBAD ID is recorded as 2MASS J09300599-0031436^[22].
Q81942545's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+142.52496762497510'}^[23].
Q81942545's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.52882816454170'}^[24].
Q81942545's epoch is recorded as J2000.0^[25].
Q81942545's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-6.217'}^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +24.320, unit: 1, amount: +22.425, unit: 1, amount: +20.876, unit: 1, amount: +19.003, unit: 1, amount: +17.945, unit: 1, amount: +16.388, unit: 1, amount: +15.826, unit: 1, amount: +19.8084

Catalog code 2MASS J09300599-0031436, SDSS J093005.98-003143.8, SDSS J093005.98-003143.7, SDSS J093005.99-003143.7, Gaia DR2 3840496465445539072

Constellation Hydra

Declination unit: www.wikidata.org, amount: -0.52882816454170

Declination component of proper motion unit: www.wikidata.org, amount: -6.217

Distance from earth unit: www.wikidata.org, amount: +243.4

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +4.2810

Radial velocity unit: www.wikidata.org, amount: +40

Redshift unit: 1, amount: +0.00016

Right ascension unit: www.wikidata.org, amount: +142.52496762497510

Right ascension component of proper motion unit: www.wikidata.org, amount: -42.048

Spectral class M6V

External References (2)

Gaia id 3840496465445539072

Simbad id 2MASS J09300599-0031436

References

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

Direct Wikidata claims

[2] ↑ Q81942545 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81942545 — constellation (P59): Hydra. wikidata.org.
[4] ↑ Q81942545 — spectral class (P215): M6V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81942545 — catalog code (P528): 2MASS J09300599-0031436. SIMBAD. wikidata.org.
[6] ↑ Q81942545 — catalog code (P528): SDSS J093005.98-003143.8. SIMBAD. wikidata.org.
[7] ↑ Q81942545 — catalog code (P528): SDSS J093005.98-003143.7. SIMBAD. wikidata.org.
[8] ↑ Q81942545 — catalog code (P528): SDSS J093005.99-003143.7. SIMBAD. wikidata.org.
[9] ↑ Q81942545 — catalog code (P528): Gaia DR2 3840496465445539072. SIMBAD. wikidata.org.
[10] ↑ Q81942545 — redshift (P1090): {'unit': '1', 'amount': '+0.00016'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[11] ↑ Q81942545 — apparent magnitude (P1215): {'unit': '1', 'amount': '+24.320'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81942545 — apparent magnitude (P1215): {'unit': '1', 'amount': '+22.425'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81942545 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.876'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81942545 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.003'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q81942545 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.945'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[16] ↑ Q81942545 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.388'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81942545 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.826'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q81942545 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.8084'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81942545 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.2810'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81942545 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+40'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q81942545 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+243.4'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q81942545 — SIMBAD ID (P3083): 2MASS J09300599-0031436. wikidata.org.
[23] ↑ Q81942545 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+142.52496762497510'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81942545 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-0.52882816454170'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81942545 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81942545 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-6.217'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81942545 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). Q81942545. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81942545

MLA “Q81942545.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81942545.

BibTeX

@misc{4ortxyz_q81942545_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81942545}}, year = {2026}, url = {https://4ort.xyz/entity/q81942545}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81942545 — https://4ort.xyz/entity/q81942545 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81942545 · Last refreshed: May 7, 2026