Q81938683

low-mass star in the constellation Hydra

Thing low_mass_star Q81938683

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Q81938683

Summary

Q81938683 is a low-mass star^[1].

Key Facts

Q81938683's instance of is recorded as low-mass star^[2].
Q81938683's constellation is recorded as Hydra^[3].
Q81938683's spectral class is recorded as M2V^[4].
Q81938683's catalog code is recorded as 2MASS J09051005+0153254^[5].
Q81938683's catalog code is recorded as SDSS J090510.06+015325.3^[6].
Q81938683's catalog code is recorded as SDSS J090510.07+015325.3^[7].
Q81938683's catalog code is recorded as Gaia DR2 577133928298286720^[8].
Q81938683's redshift is recorded as {'unit': '1', 'amount': '+0.00008'}^[9].
Q81938683's apparent magnitude is recorded as {'unit': '1', 'amount': '+23.097'}^[10].
Q81938683's apparent magnitude is recorded as {'unit': '1', 'amount': '+21.009'}^[11].
Q81938683's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.459'}^[12].
Q81938683's apparent magnitude is recorded as {'unit': '1', 'amount': '+18.508'}^[13].
Q81938683's apparent magnitude is recorded as {'unit': '1', 'amount': '+17.956'}^[14].
Q81938683's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.680'}^[15].
Q81938683's apparent magnitude is recorded as {'unit': '1', 'amount': '+16.002'}^[16].
Q81938683's apparent magnitude is recorded as {'unit': '1', 'amount': '+19.2418'}^[17].
Q81938683's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.6040'}^[18].
Q81938683's radial velocity is recorded as {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-2'}^[19].
Q81938683's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+974.9'}^[20].
Q81938683's SIMBAD ID is recorded as 2MASS J09051005+0153254^[21].
Q81938683's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+136.29193669478340'}^[22].
Q81938683's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+1.89037282543640'}^[23].
Q81938683's epoch is recorded as J2000.0^[24].
Q81938683's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+0.327'}^[25].
Q81938683's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+1.129'}^[26].

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Quick Facts

Instance of low-mass star

Properties

Apparent magnitude unit: 1, amount: +23.097, unit: 1, amount: +21.009, unit: 1, amount: +19.459, unit: 1, amount: +18.508, unit: 1, amount: +17.956, unit: 1, amount: +16.680, unit: 1, amount: +16.002, unit: 1, amount: +19.2418

Catalog code 2MASS J09051005+0153254, SDSS J090510.06+015325.3, SDSS J090510.07+015325.3, Gaia DR2 577133928298286720

Constellation Hydra

Declination unit: www.wikidata.org, amount: +1.89037282543640

Declination component of proper motion unit: www.wikidata.org, amount: +0.327

Distance from earth unit: www.wikidata.org, amount: +974.9

Epoch J2000.0

Imported from wholeness_audit_2026-05-02_v2

Parallax unit: www.wikidata.org, amount: +1.6040

Radial velocity unit: www.wikidata.org, amount: -2

Redshift unit: 1, amount: +0.00008

Right ascension unit: www.wikidata.org, amount: +136.29193669478340

Right ascension component of proper motion unit: www.wikidata.org, amount: +1.129

Spectral class M2V

External References (2)

Gaia id 577133928298286720

Simbad id 2MASS J09051005+0153254

References

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

Direct Wikidata claims

[2] ↑ Q81938683 — instance of (P31): low-mass star. SIMBAD. wikidata.org.
[3] ↑ Q81938683 — constellation (P59): Hydra. wikidata.org.
[4] ↑ Q81938683 — spectral class (P215): M2V. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[5] ↑ Q81938683 — catalog code (P528): 2MASS J09051005+0153254. SIMBAD. wikidata.org.
[6] ↑ Q81938683 — catalog code (P528): SDSS J090510.06+015325.3. SIMBAD. wikidata.org.
[7] ↑ Q81938683 — catalog code (P528): SDSS J090510.07+015325.3. SIMBAD. wikidata.org.
[8] ↑ Q81938683 — catalog code (P528): Gaia DR2 577133928298286720. SIMBAD. wikidata.org.
[9] ↑ Q81938683 — redshift (P1090): {'unit': '1', 'amount': '+0.00008'}. The SDSS Photometric Catalog, Release 7. wikidata.org.
[10] ↑ Q81938683 — apparent magnitude (P1215): {'unit': '1', 'amount': '+23.097'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[11] ↑ Q81938683 — apparent magnitude (P1215): {'unit': '1', 'amount': '+21.009'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[12] ↑ Q81938683 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.459'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[13] ↑ Q81938683 — apparent magnitude (P1215): {'unit': '1', 'amount': '+18.508'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[14] ↑ Q81938683 — apparent magnitude (P1215): {'unit': '1', 'amount': '+17.956'}. The Sixth Data Release of the Sloan Digital Sky Survey. wikidata.org.
[15] ↑ Q81938683 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.680'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[16] ↑ Q81938683 — apparent magnitude (P1215): {'unit': '1', 'amount': '+16.002'}. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). wikidata.org.
[17] ↑ Q81938683 — apparent magnitude (P1215): {'unit': '1', 'amount': '+19.2418'}. Gaia Data Release 2. wikidata.org.
[18] ↑ Q81938683 — parallax (P2214): {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+1.6040'}. Gaia Data Release 2. wikidata.org.
[19] ↑ Q81938683 — radial velocity (P2216): {'unit': 'http://www.wikidata.org/entity/Q3674704', 'amount': '-2'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[20] ↑ Q81938683 — distance from Earth (P2583): {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+974.9'}. The Sloan Digital Sky Survey Data Release 7 spectroscopic M dwarf catalog. I. Data. wikidata.org.
[21] ↑ Q81938683 — SIMBAD ID (P3083): 2MASS J09051005+0153254. wikidata.org.
[22] ↑ Q81938683 — right ascension (P6257): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+136.29193669478340'}. Gaia Data Release 2. wikidata.org.
[23] ↑ Q81938683 — declination (P6258): {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+1.89037282543640'}. Gaia Data Release 2. wikidata.org.
[24] ↑ Q81938683 — epoch (P6259): J2000.0. Gaia Data Release 2. wikidata.org.
[25] ↑ Q81938683 — declination component of proper motion (P10751): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+0.327'}. Gaia Data Release 2. wikidata.org.
[26] ↑ Q81938683 — right ascension component of proper motion (P10752): {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+1.129'}. Gaia Data Release 2. wikidata.org.

Class ancestry

[1] ↑ Q81938683 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). Q81938683. Retrieved May 7, 2026, from https://4ort.xyz/entity/q81938683

MLA “Q81938683.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q81938683.

BibTeX

@misc{4ortxyz_q81938683_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Q81938683}}, year = {2026}, url = {https://4ort.xyz/entity/q81938683}, note = {Accessed: 2026-05-07}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Q81938683 — https://4ort.xyz/entity/q81938683 (retrieved 2026-05-07)

Canonical URL: https://4ort.xyz/entity/q81938683 · Last refreshed: May 7, 2026