Baih'Rus

planet · temperate world · Ultima Segmentum

rank III

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Record by era

This archive tracks four layers. A record present in 1 of them (M41) is silent in the rest, and says so.

The Horus HeresyM30–M31

[RECORD LOST]

No record for this location in The Horus Heresy.

Age of the ImperiumM32–M40

[RECORD LOST]

No record for this location in Age of the Imperium.

The 41st Millenniumpre-Rift

imperium

Imperial colony world on the Eastern Fringe

An Imperial colony world on the Eastern Fringe, roughly two days' travel from the hive world of Equixus.

Era Indomituspost-Rift

[RECORD LOST]

No record for this location in Era Indomitus.

Position

Map frame: 872, 516 in the archive's 0–1000 disk space (core at 500, 500).

Distance from the core: 372 units ≈ 39.6k light years, east of the galactic core.

Height above the disk plane: -7.2 units — invented thin-disk jitter, deterministic per record. No published source gives any location a z coordinate.

System: Baih Rus System

Books set here

1 title in the reading tracker touches this record. Titles link out to the tracker.

Lord of the NightmentionedM41
Also set at Equixus, Tsagualsa, Nostramo

Provenance

Every fact in this record, and where it came from. Editorial derivations say so.

identityhigh
wh40k.lexicanum.com/wiki/Baih%27Rus (read in a browser 2026-10-05): 'Baih'Rus is a Colony World in the Eastern Fringe. It is located roughly two days travel from the world of Equixus.' Infobox Affiliation: Imperium; Class: Colony World; Segmentum, Sector and System blank. Sole source: Lord of the Night (Novel), Epilogue. NAME-COLLISION CHECK: no index record uses the id or label.
book-joinmedium
MENTIONED for Lord of the Night: named in the Epilogue (Lexicanum Baih'Rus); no permitted source says any scene is set there.
segmentummedium
ultima: Lexicanum Baih'Rus places it 'in the Eastern Fringe' (category Eastern Fringe), the outer edge of Ultima Segmentum (regions.json outerRegions 'eastern-fringe').
classlow
'temperate', with no look words to go on: Lexicanum says only 'Colony World'. The neutral settled-world ramp asserts nothing about terrain; revisit if a source describes the world.
gposlow
inferred: region-level. Canon gives 'Eastern Fringe' and a two-day hop to Equixus, nothing more. Placed at (872, 516), 15.6 units from Equixus, inside the 'ultima' polygon and east of the Eastern Fringe label (790, 410); nearest other marker Solemnace at 30. Z -7.2 is the zPolicy value (compute-z.mjs baih-rus 872 516).
erasmedium
m41 only: the era of its one source.
systemIdlow
'baih-rus', named for the world: no source names its star.
no-system-surveyhigh
No systems/baih-rus.json: a MENTIONED world, and canon names no star, sibling body or body count. The map synthesises its globe from this record.