Q81947858

low-mass star in the constellation Hydra

Thing low_mass_star Q81947858

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Q81947858

Summary

Q81947858 is a low-mass star^[1].

Key Facts

Q81947858's instance of is recorded as low-mass star^[2].
Q81947858's constellation is recorded as Hydra^[3].
Q81947858's spectral class is recorded as M2V^[4].
Q81947858's catalog code is recorded as SDSS J091046.37+004405.4^[5].
Q81947858's catalog code is recorded as 2MASS J09104616+0044026^[6].
Q81947858's catalog code is recorded as SDSS J091046.38+004405.4^[7].
Q81947858's catalog code is recorded as SDSS J091046.38+004405.5^[8].
Q81947858's catalog code is recorded as Gaia DR2 3843370417043309952^[9].
Q81947858's redshift is recorded as {'unit': '1', 'amount': '+0.00007'}^[10].
Q81947858's apparent magnitude is recorded as {'unit': '1', 'amount': '+23.536'}^[11].
Q81947858's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.492'}^[12].
Q81947858's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.329'}^[13].
Q81947858's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.388'}^[14].
Q81947858's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.976'}^[15].
Q81947858's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.988'}^[16].
Q81947858's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.576'}^[17].
Q81947858's apparent magnitude is recorded as {'unit': '1', 'amount': '+13.543'}^[18].
Q81947858's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.0382'}^[19].
Q81947858's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-471'}^[20].
Q81947858's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1763.6'}^[21].
Q81947858's SIMBAD ID is recorded as 2MASS J09104616+0044026^[22].
Q81947858's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+137.69325180905050'}^[23].
Q81947858's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.73485440968930'}^[24].
Q81947858's epoch is recorded as J2000.0^[25].
Q81947858's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-3.408'}^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +23.536, unit: 1, amount: +22.492, unit: 1, amount: +20.329, unit: 1, amount: +19.388, unit: 1, amount: +18.976, unit: 1, amount: +13.988, unit: 1, amount: +13.576, unit: 1, amount: +13.543, unit: 1, amount: +20.0382

Catalog code SDSS J091046.37+004405.4, 2MASS J09104616+0044026, SDSS J091046.38+004405.4, SDSS J091046.38+004405.5, Gaia DR2 3843370417043309952

Constellation Hydra

Declination unit: www.wikidata.org, amount: +0.73485440968930

Declination component of proper motion unit: www.wikidata.org, amount: -3.408

Distance from earth unit: www.wikidata.org, amount: +1763.6

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Radial velocity unit: www.wikidata.org, amount: -471

Redshift unit: 1, amount: +0.00007

Right ascension unit: www.wikidata.org, amount: +137.69325180905050

Right ascension component of proper motion unit: www.wikidata.org, amount: -10.438

Spectral class M2V

External References (2)

Gaia id 3843370417043309952

Simbad id 2MASS J09104616+0044026

References

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

Direct Wikidata claims

[2] ↑ Q81947858 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81947858 — constellation (P59): Hydra. wikidata.org.
[4] ↑ Q81947858 — spectral class (P215): M2V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81947858 — catalog code (P528): SDSS J091046.37+004405.4. SIMBAD. wikidata.org.
[6] ↑ Q81947858 — catalog code (P528): 2MASS J09104616+0044026. SIMBAD. wikidata.org.
[7] ↑ Q81947858 — catalog code (P528): SDSS J091046.38+004405.4. SIMBAD. wikidata.org.
[8] ↑ Q81947858 — catalog code (P528): SDSS J091046.38+004405.5. SIMBAD. wikidata.org.
[9] ↑ Q81947858 — catalog code (P528): Gaia DR2 3843370417043309952. SIMBAD. wikidata.org.
[10] ↑ Q81947858 — redshift (P1090): {'unit': '1', 'amount': '+0.00007'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[11] ↑ Q81947858 — apparent magnitude (P1215): {'unit': '1', 'amount': '+23.536'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81947858 — apparent magnitude (P1215): {'unit': '1', 'amount': '+22.492'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81947858 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.329'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81947858 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.388'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q81947858 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.976'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[16] ↑ Q81947858 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.988'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81947858 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.576'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q81947858 — apparent magnitude (P1215): {'unit': '1', 'amount': '+13.543'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[19] ↑ Q81947858 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.0382'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81947858 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-471'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q81947858 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1763.6'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q81947858 — SIMBAD ID (P3083): 2MASS J09104616+0044026. wikidata.org.
[23] ↑ Q81947858 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+137.69325180905050'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81947858 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.73485440968930'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81947858 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81947858 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-3.408'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81947858 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). Q81947858. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81947858

MLA “Q81947858.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81947858.

BibTeX

@misc{4ortxyz_q81947858_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81947858}}, year = {2026}, url = {https://4ort.xyz/entity/q81947858}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81947858 — https://4ort.xyz/entity/q81947858 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81947858 · Last refreshed: May 7, 2026