settled-reach/wiki/star-systems/GJ-3991/index.md

Dunbar

GJ 3991 | K-type | north_reach

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System Profile

Star	DA · 11.4 ly
Bodies	0 habitable · 2 inhabited
Gates	2 aperture · loop_member
Settlement	wave_3
Industries	fusion_fuel, metallic_ore, agricultural_produce, processed_food, hospitality, financial_services, legal_services
Exports	processed_food, financial_services
Imports	electronics, consumer_goods, medical_goods, refined_metals, chemicals
Population	—

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Dunbar is the kind of system that accumulates quiet significance over three centuries without ever becoming dramatic about it. Named for a Scottish coastal town by Wave 3 settlers who followed the Commonwealth's outward push from New Ballarat, it occupies a loop position connecting that junction to GJ 3325 further out — a system not yet fully developed, sitting at the far edge of the loop's outer arc. Dunbar is the last established node before the network thins.

The star is a DA — a white dwarf, the remnant of a star that exhausted its fuel long before human settlement reached this distance from Earth. A white dwarf system is an unusual settlement choice; there are no habitable planets, no stellar heat to speak of, and the ancient stellar body provides navigational reference but little else. What it provides is a position in the network, and position was enough for the Wave 3 settlers who established the station here. The station is entirely artificial, fully pressurized and heated from internal power generation, orbiting the white dwarf at a distance chosen for orbital stability rather than any thermal benefit.

At hop 5, the Assembly's presence is intermittent rather than structural. There is an Assembly liaison office — not a full regional presence like Wolf 359, not a customs-only administrative post like Pemberton's Loop, but something in between: a liaison with authority to handle routine matters and a standing request to refer anything significant to New Ballarat. In practice, this means Dunbar governs itself through its own council and only involves the Assembly when the matter is consequential enough to be worth the communication lag. That filtering is done locally, by people who have been here for generations and know what "consequential" means.

The Scottish heritage of the founding community is more actively maintained here than in many Wave 3 systems. Cultural continuity at the edge of the network has a different quality than cultural continuity near established hubs; there is no pressure to assimilate to a dominant regional identity because there is no dominant regional identity this far out. The result is a community that still uses Scots-inflected speech patterns in informal contexts, maintains several traditional observances, and takes quiet pride in having carried the heritage further than most.

The economy is mixed: agricultural in the orbital hydroponics rings that supply the station's food needs, light manufacturing for local consumption, and transit services for the loop traffic that passes through. The loop carries meaningful traffic — New Ballarat is a junction with three apertures, and some of that traffic routes through Dunbar toward the outer reach — but not at the volume of the inner-reach loops. Dunbar's transit economy is comfortable rather than prosperous.

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Supply Dependency

Technical goods and manufactured equipment inbound from New Ballarat (GJ 667A). Agricultural production from the station's internal hydroponics is sufficient for local needs; processed food exports to the outer loop (GJ 3325) are a modest revenue stream. The system does not depend on external food supply.

Faction Notes

The Dunbar Station Council is the primary governing body, a directly elected body with four-year terms and a council chair who serves as the station's effective executive. The Assembly liaison office holds observational authority and can escalate matters to New Ballarat but has no executive power over station governance. The relationship has been amicable for decades, partly because the Council is careful not to create situations that would require escalation and partly because the liaison is currently an individual who has lived on the station for twelve years and identifies as a community member rather than an outside representative.

Silence Topic

The condition of the outer loop transit toward GJ 3325 is a topic that receives careful management in public communications. GJ 3325 is not developed; the loop's outer arc in that direction carries irregular traffic, and the infrastructure supporting it has not been maintained to the same standard as the inbound arc toward New Ballarat. The full status of the transit infrastructure between Dunbar and GJ 3325 is known to the Council and to the Assembly liaison; it is not reported in public transit schedules.

Silence threshold: faction_trust

Narrative Hook

The Assembly liaison at Dunbar has been sending personal correspondence to a contact at New Ballarat's parliamentary offices for several months, flagging something about the outer loop transit infrastructure that they have deliberately not included in official reports — and those personal messages have recently stopped.

Calibration Note

The DA (white dwarf) stellar classification in the DB is an unusual combination with K-type header tier, indicating that the classification tier was applied to the system's category rather than the star's actual spectral type. White dwarf settlement is rare and always station-based; this is consistent with the text. Wave_3 loop_member at hop 5 is internally consistent — the loop was extended outward during Wave 3, and Dunbar was established as one of the outer loop nodes.

Celestial Bodies

Orbit	ID	Name	Type	Inhabited	Pop	Mass	Gravity	Year (d)	Day (h)	Atmo	Biome	Hydro	Economy	Settlement	Industrial
1	GJ3991b	—	planet	no	—	terrestrial	0.30g	40	18.0	none	barren	none	—	—	—
2	GJ3991c	—	planet	no	—	terrestrial	0.42g	120	20.0	none	barren	none	—	—	—
3	GJ3991d	—	planet	no	—	terrestrial	0.35g	350	16.0	none	frozen	ice	—	—	—
4	GJ3991e	—	planet	no	—	terrestrial	0.28g	900	15.0	none	frozen	ice	—	—	—
5	GJ3991f	—	gas_giant	no	—	gas_giant	—	3500	12.0	dense	—	—	—	—	—
↳ 5.1	GJ3991f-1	—	moon	no	—	dwarf	0.05g	6	144.0	none	frozen	ice	—	—	—
6	GJ3991g	—	planet	no	—	dwarf	0.11g	8000	22.0	none	frozen	ice	—	—	—
7	GJ3991h	—	planet	no	—	dwarf	0.08g	15000	24.0	none	frozen	ice	—	—	—
8	GJ3991-belt	—	asteroid_belt	no	—	—	—	—	—	—	—	—	—	—	—
9	GJ3991-oort	—	oort_cloud	no	—	—	—	—	—	—	—	—	—	—	—

Stations & Facilities

ID	Name	Type	Orbits	Population	Economy	Governance	Docking	Gate	Districts
GJ3991-oort-S1	Burnmouth	horizon	GJ3991-oort	1K	transit	—	major	yes	1
GJ3991b-S1	Haddington	commercial	GJ3991b	100M	transit	—	major	no	1