Q81947402

low-mass star in the constellation Hydra

Thing low_mass_star Q81947402

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Q81947402

Summary

Q81947402 is a low-mass star^[1].

Key Facts

Q81947402's instance of is recorded as low-mass star^[2].
Q81947402's constellation is recorded as Hydra^[3].
Q81947402's spectral class is recorded as dC^[4].
Q81947402's catalog code is recorded as 2MASS J09335730+0458351^[5].
Q81947402's catalog code is recorded as SDSS J093357.28+045835.0^[6].
Q81947402's catalog code is recorded as SDSS J093357.29+045835.0^[7].
Q81947402's catalog code is recorded as SDSS J093357.28+045834.8^[8].
Q81947402's catalog code is recorded as Gaia DR2 3852273678087972352^[9].
Q81947402's redshift is recorded as {'unit': '1', 'amount': '+0.00131'}^[10].
Q81947402's apparent magnitude is recorded as {'unit': '1', 'amount': '+23.351'}^[11].
Q81947402's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.834'}^[12].
Q81947402's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.805'}^[13].
Q81947402's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.187'}^[14].
Q81947402's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.474'}^[15].
Q81947402's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.961'}^[16].
Q81947402's apparent magnitude is recorded as {'unit': '1', 'amount': '+15.37'}^[17].
Q81947402's apparent magnitude is recorded as {'unit': '1', 'amount': '+20.537'}^[18].
Q81947402's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.8051'}^[19].
Q81947402's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.3248'}^[20].
Q81947402's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+72'}^[21].
Q81947402's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1565.1'}^[22].
Q81947402's SIMBAD ID is recorded as 2MASS J09335730+0458351^[23].
Q81947402's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+143.48867663201090'}^[24].
Q81947402's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+4.97642991522640'}^[25].
Q81947402'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: +23.351, unit: 1, amount: +17.834, unit: 1, amount: +18.805, unit: 1, amount: +18.187, unit: 1, amount: +16.474, unit: 1, amount: +15.961, unit: 1, amount: +15.37, unit: 1, amount: +20.537, unit: 1, amount: +18.8051

Catalog code 2MASS J09335730+0458351, SDSS J093357.28+045835.0, SDSS J093357.29+045835.0, SDSS J093357.28+045834.8, Gaia DR2 3852273678087972352

Constellation Hydra

Declination unit: www.wikidata.org, amount: +4.97642991522640

Declination component of proper motion unit: www.wikidata.org, amount: -38.669

Distance from earth unit: www.wikidata.org, amount: +1565.1

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +1.3248

Radial velocity unit: www.wikidata.org, amount: +72

Redshift unit: 1, amount: +0.00131

Right ascension unit: www.wikidata.org, amount: +143.48867663201090

Right ascension component of proper motion unit: www.wikidata.org, amount: +2.809

Spectral class dC

External References (2)

Gaia id 3852273678087972352

Simbad id 2MASS J09335730+0458351

References

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

Direct Wikidata claims

[2] ↑ Q81947402 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81947402 — constellation (P59): Hydra. wikidata.org.
[4] ↑ Q81947402 — spectral class (P215): dC. Innocent bystanders: carbon stars from the Sloan Digital Sky Survey. wikidata.org.
[5] ↑ Q81947402 — catalog code (P528): 2MASS J09335730+0458351. SIMBAD. wikidata.org.
[6] ↑ Q81947402 — catalog code (P528): SDSS J093357.28+045835.0. SIMBAD. wikidata.org.
[7] ↑ Q81947402 — catalog code (P528): SDSS J093357.29+045835.0. SIMBAD. wikidata.org.
[8] ↑ Q81947402 — catalog code (P528): SDSS J093357.28+045834.8. SIMBAD. wikidata.org.
[9] ↑ Q81947402 — catalog code (P528): Gaia DR2 3852273678087972352. SIMBAD. wikidata.org.
[10] ↑ Q81947402 — redshift (P1090): {'unit': '1', 'amount': '+0.00131'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[11] ↑ Q81947402 — apparent magnitude (P1215): {'unit': '1', 'amount': '+23.351'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81947402 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.834'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81947402 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.805'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[14] ↑ Q81947402 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.187'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[15] ↑ Q81947402 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.474'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81947402 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.961'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81947402 — apparent magnitude (P1215): {'unit': '1', 'amount': '+15.37'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[18] ↑ Q81947402 — apparent magnitude (P1215): {'unit': '1', 'amount': '+20.537'}. The SDSS Photometric Catalog, Release 9. wikidata.org.
[19] ↑ Q81947402 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.8051'}. Gaia Data Release 2. wikidata.org.
[20] ↑ Q81947402 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.3248'}. Gaia Data Release 2. wikidata.org.
[21] ↑ Q81947402 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '+72'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[22] ↑ Q81947402 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+1565.1'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[23] ↑ Q81947402 — SIMBAD ID (P3083): 2MASS J09335730+0458351. wikidata.org.
[24] ↑ Q81947402 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+143.48867663201090'}. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81947402 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+4.97642991522640'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81947402 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81947402 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). Q81947402. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81947402

MLA “Q81947402.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81947402.

BibTeX

@misc{4ortxyz_q81947402_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81947402}}, year = {2026}, url = {https://4ort.xyz/entity/q81947402}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81947402 — https://4ort.xyz/entity/q81947402 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81947402 · Last refreshed: May 7, 2026