{
 "id": "source/van-brummelen-khujandi-bea",
 "class": "source",
 "slug": "van-brummelen-khujandi-bea",
 "label": {
  "ar": "الخجندي — غلن فان بروملن",
  "en": "Khujandi — Glen Van Brummelen",
  "ur": "خجندی — گلین وان برملن"
 },
 "summary": {
  "ar": "سيرة الآلات والرصد مع وصف السدس الفخري ونقد استقراره.",
  "en": "Instrument and observation biography describing the Fakhri sextant and its stability problem.",
  "ur": "آلات و رصد کی سوانح، سدس فخری اور اس کے استحکام کا مسئلہ۔"
 },
 "stub": false,
 "wings": [],
 "regions": [],
 "periods": [],
 "tags": [],
 "aliases": [],
 "themes": [],
 "data": {
  "kind": "secondary",
  "type": "encyclopedia",
  "title": "Khujandi: Abu Mahmud Hamid ibn al-Khidr al-Khujandi",
  "author": [
   {
    "family": "Van Brummelen",
    "given": "Glen"
   }
  ],
  "issued": {
   "date-parts": [
    [
     2007
    ]
   ]
  },
  "publisher": "Springer, Biographical Encyclopedia of Astronomers, pp630–631; ISMI reproduction",
  "language": "en",
  "URL": "https://ismi.mpiwg-berlin.mpg.de/biography/Khujandi_BEA.htm",
  "DOI": "10.1007/978-0-387-30400-7_762",
  "open_access": true,
  "reliability_note": "Complete actual body/bibliography read; HTML byline verified. Distinguish introductory quadrant wording from specified60-degree giant sextant,43m diameter not radius, solar-image centering and994 observations. Printed10' marking conflicts with seconds wording in MacTutor/Arabic edition: no silent emendation or realized-accuracy certificate. Biruni's settling diagnosis attributed, originals of Tahdid/Kennedy not read. Later Maragha/Samarkand connection attributed to this author, not independent construction-history proof.",
  "status": {
   "review": "published",
   "completeness": 3,
   "generated_by": "Copilot SDK in VS Code"
  },
  "provenance": {
   "generated_by": "Copilot SDK in VS Code",
   "model": "unknown",
   "run": "inventions-p3-b68",
   "source": "Actual complete authored BEA text and HTML metadata, compared with visually read1908 edition."
  }
 },
 "prose": {},
 "degree": 0,
 "contemporaries": [],
 "updated": "2026-11-06",
 "connections": [],
 "related": [],
 "license": {
  "prose": "CC BY-SA 4.0",
  "data": "CC0 1.0"
 }
}