Q81945455

low-mass star in the constellation Hydra

Thing low_mass_star Q81945455

Press Enter · cited answer in seconds

Q81945455

Summary

Q81945455 is a low-mass star^[1].

Key Facts

Q81945455's instance of is recorded as low-mass star^[2].
Q81945455's constellation is recorded as Hydra^[3].
Q81945455's spectral class is recorded as M5V^[4].
Q81945455's catalog code is recorded as 2MASS J09010811+0602070^[5].
Q81945455's catalog code is recorded as SDSS J090108.11+060207.2^[6].
Q81945455's catalog code is recorded as SDSS J090108.12+060207.3^[7].
Q81945455's catalog code is recorded as Gaia DR2 583449145130802688^[8].
Q81945455's redshift is recorded as {'unit': '1', 'amount': '+0.00014'}^[9].
Q81945455's apparent magnitude is recorded as {'unit': '1', 'amount': '+24.091'}^[10].
Q81945455's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.999'}^[11].
Q81945455's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.510'}^[12].
Q81945455's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.639'}^[13].
Q81945455's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.600'}^[14].
Q81945455's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.950'}^[15].
Q81945455's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.525'}^[16].
Q81945455's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.13'}^[17].
Q81945455's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.4279'}^[18].
Q81945455's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.2224'}^[19].
Q81945455's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+59'}^[20].
Q81945455's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+216.3'}^[21].
Q81945455's SIMBAD ID is recorded as 2MASS J09010811+0602070^[22].
Q81945455's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+135.28385768953460'}^[23].
Q81945455's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+6.03535059987830'}^[24].
Q81945455's epoch is recorded as J2000.0^[25].
Q81945455's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+4.761'}^[26].

⭐ Popularity Graph

0/100 long tail

Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +24.091, unit: 1, amount: +21.999, unit: 1, amount: +20.510, unit: 1, amount: +18.639, unit: 1, amount: +17.600, unit: 1, amount: +15.950, unit: 1, amount: +15.525, unit: 1, amount: +15.13, unit: 1, amount: +19.4279

Catalog code 2MASS J09010811+0602070, SDSS J090108.11+060207.2, SDSS J090108.12+060207.3, Gaia DR2 583449145130802688

Constellation Hydra

Declination unit: www.wikidata.org, amount: +6.03535059987830

Declination component of proper motion unit: www.wikidata.org, amount: +4.761

Distance from earth unit: www.wikidata.org, amount: +216.3

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +4.2224

Radial velocity unit: www.wikidata.org, amount: +59

Redshift unit: 1, amount: +0.00014

Right ascension unit: www.wikidata.org, amount: +135.28385768953460

Right ascension component of proper motion unit: www.wikidata.org, amount: -43.050

Spectral class M5V

External References (2)

Gaia id 583449145130802688

Simbad id 2MASS J09010811+0602070

References

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

Direct Wikidata claims

[2] ↑ Q81945455 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81945455 — constellation (P59): Hydra. wikidata.org.
[4] ↑ Q81945455 — spectral class (P215): M5V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81945455 — catalog code (P528): 2MASS J09010811+0602070. SIMBAD. wikidata.org.
[6] ↑ Q81945455 — catalog code (P528): SDSS J090108.11+060207.2. SIMBAD. wikidata.org.
[7] ↑ Q81945455 — catalog code (P528): SDSS J090108.12+060207.3. SIMBAD. wikidata.org.
[8] ↑ Q81945455 — catalog code (P528): Gaia DR2 583449145130802688. SIMBAD. wikidata.org.
[9] ↑ Q81945455 — redshift (P1090): {'unit': '1', 'amount': '+0.00014'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[10] ↑ Q81945455 — apparent magnitude (P1215): {'unit': '1', 'amount': '+24.091'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81945455 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.999'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81945455 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.510'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81945455 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.639'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81945455 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.600'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q81945455 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.950'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81945455 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.525'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81945455 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.13'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q81945455 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.4279'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81945455 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+4.2224'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81945455 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+59'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q81945455 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+216.3'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q81945455 — SIMBAD ID (P3083): 2MASS J09010811+0602070. wikidata.org.
[23] ↑ Q81945455 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+135.28385768953460'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81945455 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+6.03535059987830'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81945455 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81945455 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+4.761'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81945455 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). Q81945455. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81945455

MLA “Q81945455.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81945455.

BibTeX

@misc{4ortxyz_q81945455_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81945455}}, year = {2026}, url = {https://4ort.xyz/entity/q81945455}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81945455 — https://4ort.xyz/entity/q81945455 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81945455 · Last refreshed: May 7, 2026