Q81938734

low-mass star in the constellation Hydra

Thing low_mass_star Q81938734

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Q81938734

Summary

Q81938734 is a low-mass star^[1].

Key Facts

Q81938734's instance of is recorded as low-mass star^[2].
Q81938734's constellation is recorded as Hydra^[3].
Q81938734's spectral class is recorded as M8V^[4].
Q81938734's catalog code is recorded as 2MASS J09102046+0049256^[5].
Q81938734's catalog code is recorded as SDSS J091020.46+004925.7^[6].
Q81938734's catalog code is recorded as SDSS J091020.47+004925.7^[7].
Q81938734's catalog code is recorded as Gaia DR2 3843383886059164032^[8].
Q81938734's redshift is recorded as {'unit': '1', 'amount': '-0.00020'}^[9].
Q81938734's apparent magnitude is recorded as {'unit': '1', 'amount': '+25.177'}^[10].
Q81938734's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.974'}^[11].
Q81938734's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.451'}^[12].
Q81938734's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.849'}^[13].
Q81938734's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.516'}^[14].
Q81938734's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.615'}^[15].
Q81938734's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.110'}^[16].
Q81938734's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.527'}^[17].
Q81938734's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.5990'}^[18].
Q81938734's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+8.8381'}^[19].
Q81938734's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+15'}^[20].
Q81938734's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+113.1465'}^[21].
Q81938734's SIMBAD ID is recorded as 2MASS J09102046+0049256^[22].
Q81938734's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+137.58527794788010'}^[23].
Q81938734's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.82377110168990'}^[24].
Q81938734's epoch is recorded as J2000.0^[25].
Q81938734's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-13.463'}^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +25.177, unit: 1, amount: +22.974, unit: 1, amount: +21.451, unit: 1, amount: +18.849, unit: 1, amount: +17.516, unit: 1, amount: +15.615, unit: 1, amount: +15.110, unit: 1, amount: +14.527, unit: 1, amount: +19.5990

Catalog code 2MASS J09102046+0049256, SDSS J091020.46+004925.7, SDSS J091020.47+004925.7, Gaia DR2 3843383886059164032

Constellation Hydra

Declination unit: www.wikidata.org, amount: +0.82377110168990

Declination component of proper motion unit: www.wikidata.org, amount: -13.463

Distance from earth unit: www.wikidata.org, amount: +113.1465

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +8.8381

Radial velocity unit: www.wikidata.org, amount: +15

Redshift unit: 1, amount: -0.00020

Right ascension unit: www.wikidata.org, amount: +137.58527794788010

Right ascension component of proper motion unit: www.wikidata.org, amount: -67.518

Spectral class M8V

External References (2)

Gaia id 3843383886059164032

Simbad id 2MASS J09102046+0049256

References

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

Direct Wikidata claims

[2] ↑ Q81938734 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81938734 — constellation (P59): Hydra. wikidata.org.
[4] ↑ Q81938734 — spectral class (P215): M8V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81938734 — catalog code (P528): 2MASS J09102046+0049256. SIMBAD. wikidata.org.
[6] ↑ Q81938734 — catalog code (P528): SDSS J091020.46+004925.7. SIMBAD. wikidata.org.
[7] ↑ Q81938734 — catalog code (P528): SDSS J091020.47+004925.7. SIMBAD. wikidata.org.
[8] ↑ Q81938734 — catalog code (P528): Gaia DR2 3843383886059164032. SIMBAD. wikidata.org.
[9] ↑ Q81938734 — redshift (P1090): {'unit': '1', 'amount': '-0.00020'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[10] ↑ Q81938734 — apparent magnitude (P1215): {'unit': '1', 'amount': '+25.177'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81938734 — apparent magnitude (P1215): {'unit': '1', 'amount': '+22.974'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81938734 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.451'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81938734 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.849'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81938734 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.516'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q81938734 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.615'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81938734 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.110'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81938734 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.527'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q81938734 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.5990'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81938734 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+8.8381'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81938734 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+15'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q81938734 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+113.1465'}. Gaia Data Release 2. wikidata.org.
[22] ↑ Q81938734 — SIMBAD ID (P3083): 2MASS J09102046+0049256. wikidata.org.
[23] ↑ Q81938734 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+137.58527794788010'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81938734 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.82377110168990'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81938734 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81938734 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-13.463'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81938734 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). Q81938734. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81938734

MLA “Q81938734.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81938734.

BibTeX

@misc{4ortxyz_q81938734_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81938734}}, year = {2026}, url = {https://4ort.xyz/entity/q81938734}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81938734 — https://4ort.xyz/entity/q81938734 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81938734 · Last refreshed: May 7, 2026