Triple

T602739
Position Surface form Disambiguated ID Type / Status
Subject La Silla Observatory E11528 entity
Predicate hasInstrument P35 FINISHED
Object FEROS spectrograph
The FEROS spectrograph is a high-resolution, fiber-fed echelle spectrograph used in optical astronomy for precise stellar spectroscopy and radial velocity measurements.
 E75641 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: FEROS spectrograph | Statement: [La Silla Observatory, hasInstrument, FEROS spectrograph]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: FEROS spectrograph
Context triple: [La Silla Observatory, hasInstrument, FEROS spectrograph]
  • A. HARPS spectrograph
    The HARPS spectrograph is a high-precision, fiber-fed echelle spectrograph designed primarily for detecting exoplanets via radial velocity measurements.
  • B. Faint Object Spectrograph
    The Faint Object Spectrograph was an early-generation Hubble Space Telescope instrument designed to obtain detailed spectra of very dim astronomical objects across a wide range of wavelengths.
  • C. Magellan Echellette Spectrograph (MagE)
    Magellan Echellette Spectrograph (MagE) is a medium-resolution optical echellette spectrograph designed for wide wavelength coverage and efficient spectroscopy of faint astronomical sources.
  • D. Goddard High Resolution Spectrograph
    The Goddard High Resolution Spectrograph was a highly sensitive ultraviolet spectrograph aboard the Hubble Space Telescope used to study the composition, temperature, and motion of astronomical objects.
  • E. Inamori Magellan Areal Camera and Spectrograph
    The Inamori Magellan Areal Camera and Spectrograph (IMACS) is a wide-field optical imaging and spectrographic instrument mounted on the Magellan telescopes, used for deep astronomical surveys and detailed spectroscopic studies.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: FEROS spectrograph
Triple: [La Silla Observatory, hasInstrument, FEROS spectrograph]
Generated description
The FEROS spectrograph is a high-resolution, fiber-fed echelle spectrograph used in optical astronomy for precise stellar spectroscopy and radial velocity measurements.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: FEROS spectrograph
Target entity description: The FEROS spectrograph is a high-resolution, fiber-fed echelle spectrograph used in optical astronomy for precise stellar spectroscopy and radial velocity measurements.
  • A. HARPS spectrograph
    The HARPS spectrograph is a high-precision, fiber-fed echelle spectrograph designed primarily for detecting exoplanets via radial velocity measurements.
  • B. Faint Object Spectrograph
    The Faint Object Spectrograph was an early-generation Hubble Space Telescope instrument designed to obtain detailed spectra of very dim astronomical objects across a wide range of wavelengths.
  • C. Magellan Echellette Spectrograph (MagE)
    Magellan Echellette Spectrograph (MagE) is a medium-resolution optical echellette spectrograph designed for wide wavelength coverage and efficient spectroscopy of faint astronomical sources.
  • D. Goddard High Resolution Spectrograph
    The Goddard High Resolution Spectrograph was a highly sensitive ultraviolet spectrograph aboard the Hubble Space Telescope used to study the composition, temperature, and motion of astronomical objects.
  • E. Inamori Magellan Areal Camera and Spectrograph
    The Inamori Magellan Areal Camera and Spectrograph (IMACS) is a wide-field optical imaging and spectrographic instrument mounted on the Magellan telescopes, used for deep astronomical surveys and detailed spectroscopic studies.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69a4932779b881908688590d59c71900 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a49dc4f7d08190990f70b9b3af6ce5 completed March 1, 2026, 8:12 p.m.
NED1 Entity disambiguation (via context triple) batch_69a523898af08190bfa7e73ab6e1c7f3 completed March 2, 2026, 5:43 a.m.
NEDg Description generation batch_69a5242b276c8190a136453a02d59e0a completed March 2, 2026, 5:46 a.m.
NED2 Entity disambiguation (via description) batch_69a5248026bc819094065322e0930098 completed March 2, 2026, 5:47 a.m.
Created at: March 1, 2026, 7:35 p.m.