settled-reach/wiki/star-systems/GJ-1075/index.md

Espinho

GJ 1075 | unusual-type | south_reach

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System Profile

Star	K7V · 38.0 ly
Bodies	0 habitable · 2 inhabited
Gates	1 aperture · dead_end
Settlement	wave_4
Industries	metallic_ore, fusion_fuel, legal_services
Exports	legal_services
Imports	processed_food, electronics, consumer_goods, medical_goods, refined_metals, heavy_equipment
Population	—

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GJ 1075 is a K7V — a cool orange dwarf near the bottom of the K sequence — but it earned the unusual-type designation through behavior rather than spectral class. Early surveys flagged it as a magnetic variable with irregular coronal mass ejection patterns that do not follow the predictable periodicity of a typical flare star. The ejections are not severe enough to make the primary world uninhabitable, but they occur on schedules that initial models failed to anticipate, and the station's magnetic field monitoring has been upgraded twice in two centuries because operators kept finding the existing instrumentation insufficient to give adequate warning. The system's stellar research community, which is small and perpetually underfunded, refers to this problem as "catching the star thinking." The local population has absorbed this relationship as part of daily life: weather forecasts here include a CME probability alongside temperature and precipitation.

The settlement was named Espinho by its founders, Portuguese families from the wave_4 migration who brought the name of a thorny coastal town on Portugal's Atlantic face. The original Espinho was a fishing town that had spent centuries being underestimated — a place people passed through on their way to Porto or Lisbon, a place that sustained itself by practical work and that had its own character precisely because it was never fashionable enough to be reshaped by outside attention. The naming was not nostalgic. It was a statement of intent. The founders expected that Espinho would be a place people passed through on their way somewhere else, and they built it accordingly — durable, practical, possessed of its own internal coherence, indifferent to whether outsiders noticed.

Two hundred years of settlement have validated the founders' expectations in ways they did not entirely intend. Espinho is a dead-end, one aperture, one way in and one way out. Traffic passes through only if Espinho is the destination. The population that built up around the system's stellar research program and its modest extraction industries has been stable for four generations. The researchers came initially for the star's anomalous behavior; some of them stayed, trained their children in the same observatories, and created a scientific community with a continuous institutional memory that is now longer than most universities in the inner orbit. The families came for the extraction work, which is modest and unremarkable, and found that the dead-end topology produced a community with low turnover and strong lateral trust — the kind of place where everyone knows what everyone else does, which is uncomfortable if you are doing something problematic and stabilizing if you are not.

The distinction between the research community and the extraction families has blurred across four generations. The current generation of observatory staff includes people whose grandparents came to mine and whose parents developed an interest in what the instruments were watching. The extraction families' children attend the technical school that the research community established, because it is the only technical school. The categories arrived with the founding generation. They have not survived the mixing.

What Espinho produces — and this is unusual for a Portuguese-heritage south_reach community at hop 7 — is primarily knowledge. The economic foundation the founders intended was extraction. The economy that actually exists runs on the CME prediction licensing, the stellar instrumentation consulting, and the observatory's two-century continuous observation record, which represents an asset that cannot be replicated elsewhere by any community that did not spend two hundred years building it. The south_reach's other Portuguese communities produce food, logistics, craft. Espinho produces data. It is not the kind of south_reach system that those communities expect when they see a Portuguese name in the transit registry.

The aperture that connects Espinho to GJ 435 (Mirante) is the system's only link to the rest of the Reach. Mirante sits at hop 8 — one hop further from Gateway than Espinho's hop 7 — and connects onward to Encrucijada's hub at GJ 393, which is also hop 7. The route from Espinho to the hub passes outward through Mirante before doubling back to the junction at the same hop distance. The topology places Espinho at the tip of a spur, fully dependent on the Mirante-to-Encrucijada route for everything it imports and exports.

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Supply Dependency

Espinho imports the manufactured goods that its modest industrial base cannot produce: electronics, medical supplies, precision instruments for the observatory systems, and processed food varieties that the local agricultural operations do not cover. Exports are limited — the stellar research program produces publications and instrumentation designs that occasionally find commercial applications, and the extraction operations produce a modest stream of mineral output that moves inward through Mirante toward the Encrucijada hub. The system is not a significant node in any supply chain. It pays its way without ease or crisis, which is what the founding generation designed it to do.

The observatories represent the system's single piece of infrastructure that has value beyond the local economy. The CME prediction models developed here over two centuries have been licensed to operators in other M and K-type systems with irregular stellar activity. The licensing income is not large, but it is consistent and it is the closest thing Espinho has to an export that distinguishes it from every other small dead-end in the south_reach.

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Faction Notes

The Lattice Commission has no permanent presence. A rotating inspector visits on the standard outer-reach cycle — once every two years unless something flags the system for additional attention. The last two inspections reported nothing requiring follow-up. The research community maintains standard neural lattice compliance records because the founding generation, who included several people who had worked under heavier Commission oversight in the inner orbit, decided early that clean records were simpler than managing exceptions.

The Guardians of Autonomy have a nominal chapter, four members, which exists primarily to ensure someone is formally tracking Assembly policy changes that could affect the extraction cooperatives' operating licenses. It has never organized an action. It meets quarterly and its most consequential function is maintaining the subscription to an Assembly legislative feed that several local operators contribute to collectively.

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Silence Topic

The CME periodicity models have an anomaly that the observatory has not published. The irregular ejection pattern, which over two centuries has been partially but not completely mapped, includes an approximately 40-year cycle of elevated activity that does not appear in any other documented K-type magnetic variable in the stellar database. The observatory team's current interpretation is that the star has a deep magnetic structure that is not fully explained by standard M and K-type variable theory. The reason this has not been published is that the two senior researchers who noticed the 40-year signal disagree about whether it is real or an artifact of the observatory's long-term data collection methodology, and neither wants to publish a claim that the other will immediately contest. The disagreement is personal as well as scientific, and the silence is maintained by the discomfort of both parties rather than by any institutional decision.

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Narrative Hook

An observatory technician has noticed that the 40-year CME cycle anomaly, if real, would have been detectable from the original survey data — which means the survey team that designated GJ 1075 as a viable settlement site may have known about the elevated activity periods before the founding families arrived, and chose not to include that information in the settlement prospectus.

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Calibration Note

The unusual-type designation for a K7V requires clarification. The spectral class is standard; the unusual flag reflects the magnetic variable behavior and anomalous CME periodicity that was identified in early surveys and confirmed over two centuries of observation. K7V stars are not normally flagged unusual, but GJ 1075's irregular flare pattern, particularly the undocumented 40-year cycle, places it outside the envelope of typical K-type behavior in ways that have material consequences for surface infrastructure planning. The wave_4 settlement date is consistent with a dead-end system at hop 7: the third emigration wave established junctions and through-routes, and the fourth wave pushed into the spurs and terminals that the third wave had connected without populating.

Celestial Bodies

Orbit	ID	Name	Type	Inhabited	Pop	Mass	Gravity	Year (d)	Day (h)	Atmo	Biome	Hydro	Economy	Settlement	Industrial
1	GJ1075b	—	planet	no	—	terrestrial	0.35g	14	340.8	none	barren	—	—	—	—
2	GJ1075c	Espinho	planet	yes	74K	terrestrial	0.88g	45	21.6	standard	temperate_coastal	liquid_water	research	dispersed	—
3	GJ1075-belt	—	asteroid_belt	no	—	—	—	—	—	—	—	—	—	—	—
4	GJ1075d	—	gas_giant	no	—	—	—	620	13.8	gas_giant	—	—	—	—	—
↳ 4.1	GJ1075d-m1	—	moon	no	—	dwarf	0.11g	5	127.2	—	frozen	—	—	—	—
5	GJ1075e	—	planet	no	—	terrestrial	0.44g	1680	29.0	trace	frozen	—	—	—	—
6	GJ1075f	—	planet	no	—	terrestrial	0.38g	3100	31.0	trace	frozen	—	—	—	—
7	GJ1075g	—	planet	no	—	terrestrial	0.34g	5400	38.0	trace	frozen	—	—	—	—
8	GJ1075h	—	planet	no	—	terrestrial	0.27g	9800	44.0	none	frozen	—	—	—	—
9	GJ1075i	—	planet	no	—	dwarf	0.15g	16000	26.0	none	frozen	ice	—	—	—
10	GJ1075-oort	—	oort_cloud	no	—	—	—	—	—	—	—	—	—	—	—

Stations & Facilities

ID	Name	Type	Orbits	Population	Economy	Governance	Docking	Gate	Districts
GJ1075-oort-S1	Espinho Horizon	horizon	GJ1075-oort	320	transit	—	major	yes	1

Topology

• Hop Distance from Gateway: 7
• Adjacent Systems: GJ 435