Q81938916

low-mass star in the constellation Hydra

Thing low_mass_star Q81938916

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Q81938916

Summary

Q81938916 is a low-mass star^[1].

Key Facts

Q81938916's instance of is recorded as low-mass star^[2].
Q81938916's constellation is recorded as Hydra^[3].
Q81938916's spectral class is recorded as M6V^[4].
Q81938916's catalog code is recorded as 2MASS J09042273+0016029^[5].
Q81938916's catalog code is recorded as SDSS J090422.73+001602.9^[6].
Q81938916's catalog code is recorded as SDSS J090422.73+001603.0^[7].
Q81938916's catalog code is recorded as SDSS J090422.74+001603.0^[8].
Q81938916's catalog code is recorded as Gaia DR2 3843141684263176192^[9].
Q81938916's redshift is recorded as {'unit': '1', 'amount': '-0.00001'}^[10].
Q81938916's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.907'}^[11].
Q81938916's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.891'}^[12].
Q81938916's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.611'}^[13].
Q81938916's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.998'}^[14].
Q81938916's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.701'}^[15].
Q81938916's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.300'}^[16].
Q81938916's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.365'}^[17].
Q81938916's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.247'}^[18].
Q81938916's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.1190'}^[19].
Q81938916's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+9.6772'}^[20].
Q81938916's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+5'}^[21].
Q81938916's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+103.3357'}^[22].
Q81938916's SIMBAD ID is recorded as 2MASS J09042273+0016029^[23].
Q81938916's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+136.09471739460360'}^[24].
Q81938916's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.26749314572570'}^[25].
Q81938916's epoch is recorded as J2000.0^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +21.907, unit: 1, amount: +19.891, unit: 1, amount: +13.611, unit: 1, amount: +12.998, unit: 1, amount: +12.701, unit: 1, amount: +18.300, unit: 1, amount: +16.365, unit: 1, amount: +15.247, unit: 1, amount: +17.1190

Catalog code 2MASS J09042273+0016029, SDSS J090422.73+001602.9, SDSS J090422.73+001603.0, SDSS J090422.74+001603.0, Gaia DR2 3843141684263176192

Constellation Hydra

Declination unit: www.wikidata.org, amount: +0.26749314572570

Declination component of proper motion unit: www.wikidata.org, amount: -3.964

Distance from earth unit: www.wikidata.org, amount: +103.3357

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +9.6772

Radial velocity unit: www.wikidata.org, amount: +5

Redshift unit: 1, amount: -0.00001

Right ascension unit: www.wikidata.org, amount: +136.09471739460360

Right ascension component of proper motion unit: www.wikidata.org, amount: -107.938

Spectral class M6V

External References (2)

Gaia id 3843141684263176192

Simbad id 2MASS J09042273+0016029

References

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

Direct Wikidata claims

[2] ↑ Q81938916 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81938916 — constellation (P59): Hydra. wikidata.org.
[4] ↑ Q81938916 — spectral class (P215): M6V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81938916 — catalog code (P528): 2MASS J09042273+0016029. SIMBAD. wikidata.org.
[6] ↑ Q81938916 — catalog code (P528): SDSS J090422.73+001602.9. SIMBAD. wikidata.org.
[7] ↑ Q81938916 — catalog code (P528): SDSS J090422.73+001603.0. SIMBAD. wikidata.org.
[8] ↑ Q81938916 — catalog code (P528): SDSS J090422.74+001603.0. SIMBAD. wikidata.org.
[9] ↑ Q81938916 — catalog code (P528): Gaia DR2 3843141684263176192. SIMBAD. wikidata.org.
[10] ↑ Q81938916 — redshift (P1090): {'unit': '1', 'amount': '-0.00001'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[11] ↑ Q81938916 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.907'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81938916 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.891'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81938916 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.611'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q81938916 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.998'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q81938916 — apparent magnitude (P1215): {'unit': '1', 'amount': '+12.701'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81938916 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.300'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[17] ↑ Q81938916 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.365'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[18] ↑ Q81938916 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.247'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[19] ↑ Q81938916 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.1190'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81938916 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+9.6772'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q81938916 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+5'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q81938916 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+103.3357'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81938916 — SIMBAD ID (P3083): 2MASS J09042273+0016029. wikidata.org.
[24] ↑ Q81938916 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+136.09471739460360'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81938916 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.26749314572570'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81938916 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81938916 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). Q81938916. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81938916

MLA “Q81938916.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81938916.

BibTeX

@misc{4ortxyz_q81938916_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81938916}}, year = {2026}, url = {https://4ort.xyz/entity/q81938916}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81938916 — https://4ort.xyz/entity/q81938916 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81938916 · Last refreshed: May 7, 2026