Q81945579

low-mass star in the constellation Hydra

Thing low_mass_star Q81945579

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Q81945579

Summary

Q81945579 is a low-mass star^[1].

Key Facts

Q81945579's instance of is recorded as low-mass star^[2].
Q81945579's constellation is recorded as Hydra^[3].
Q81945579's spectral class is recorded as M1V^[4].
Q81945579's catalog code is recorded as 2MASS J08132661+0259325^[5].
Q81945579's catalog code is recorded as SDSS J081326.61+025932.7^[6].
Q81945579's catalog code is recorded as SDSS J081326.61+025932.6^[7].
Q81945579's catalog code is recorded as SDSS J081326.62+025932.7^[8].
Q81945579's catalog code is recorded as Gaia DR2 3091249320559223552^[9].
Q81945579's redshift is recorded as {'unit': '1', 'amount': '+0.00006'}^[10].
Q81945579's apparent magnitude is recorded as {'unit': '1', 'amount': '+22.241'}^[11].
Q81945579's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.556'}^[12].
Q81945579's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.485'}^[13].
Q81945579's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.805'}^[14].
Q81945579's apparent magnitude is recorded as {'unit': '1', 'amount': '+14.681'}^[15].
Q81945579's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.053'}^[16].
Q81945579's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.280'}^[17].
Q81945579's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.757'}^[18].
Q81945579's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.8966'}^[19].
Q81945579's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.5090'}^[20].
Q81945579's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+22'}^[21].
Q81945579's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+662.6905'}^[22].
Q81945579's SIMBAD ID is recorded as 2MASS J08132661+0259325^[23].
Q81945579's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+123.36090009673250'}^[24].
Q81945579's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+2.99240654185980'}^[25].
Q81945579'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: +22.241, unit: 1, amount: +19.556, unit: 1, amount: +15.485, unit: 1, amount: +14.805, unit: 1, amount: +14.681, unit: 1, amount: +18.053, unit: 1, amount: +17.280, unit: 1, amount: +16.757, unit: 1, amount: +17.8966

Catalog code 2MASS J08132661+0259325, SDSS J081326.61+025932.7, SDSS J081326.61+025932.6, SDSS J081326.62+025932.7, Gaia DR2 3091249320559223552

Constellation Hydra

Declination unit: www.wikidata.org, amount: +2.99240654185980

Declination component of proper motion unit: www.wikidata.org, amount: -3.842

Distance from earth unit: www.wikidata.org, amount: +662.6905

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +1.5090

Radial velocity unit: www.wikidata.org, amount: +22

Redshift unit: 1, amount: +0.00006

Right ascension unit: www.wikidata.org, amount: +123.36090009673250

Right ascension component of proper motion unit: www.wikidata.org, amount: +2.160

Spectral class M1V

External References (2)

Gaia id 3091249320559223552

Simbad id 2MASS J08132661+0259325

References

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

Direct Wikidata claims

[2] ↑ Q81945579 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81945579 — constellation (P59): Hydra. wikidata.org.
[4] ↑ Q81945579 — spectral class (P215): M1V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81945579 — catalog code (P528): 2MASS J08132661+0259325. SIMBAD. wikidata.org.
[6] ↑ Q81945579 — catalog code (P528): SDSS J081326.61+025932.7. SIMBAD. wikidata.org.
[7] ↑ Q81945579 — catalog code (P528): SDSS J081326.61+025932.6. SIMBAD. wikidata.org.
[8] ↑ Q81945579 — catalog code (P528): SDSS J081326.62+025932.7. SIMBAD. wikidata.org.
[9] ↑ Q81945579 — catalog code (P528): Gaia DR2 3091249320559223552. SIMBAD. wikidata.org.
[10] ↑ Q81945579 — redshift (P1090): {'unit': '1', 'amount': '+0.00006'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[11] ↑ Q81945579 — apparent magnitude (P1215): {'unit': '1', 'amount': '+22.241'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81945579 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.556'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81945579 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.485'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[14] ↑ Q81945579 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.805'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[15] ↑ Q81945579 — apparent magnitude (P1215): {'unit': '1', 'amount': '+14.681'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81945579 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.053'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[17] ↑ Q81945579 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.280'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[18] ↑ Q81945579 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.757'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[19] ↑ Q81945579 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.8966'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81945579 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.5090'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q81945579 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+22'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q81945579 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+662.6905'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81945579 — SIMBAD ID (P3083): 2MASS J08132661+0259325. wikidata.org.
[24] ↑ Q81945579 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+123.36090009673250'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81945579 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+2.99240654185980'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81945579 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81945579 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). Q81945579. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81945579

MLA “Q81945579.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81945579.

BibTeX

@misc{4ortxyz_q81945579_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81945579}}, year = {2026}, url = {https://4ort.xyz/entity/q81945579}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81945579 — https://4ort.xyz/entity/q81945579 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81945579 · Last refreshed: May 7, 2026