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Broadband photometry of the cool companion Gliese 229B

Following the 1995 discovery of the cool companion Gliese 229B, Matthews and colleagues measured and reassessed its broadband emission from 0.8 to 10.5 micrometres, revising earlier near-infrared photometry affected by scattered light from the primary star. The observed bands imply a luminosity of (4.9 ± 0.6) × 10⁻⁶ solar luminosities.

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What is recorded here?

Following the 1995 discovery of the cool companion Gliese 229B, Matthews and colleagues measured and reassessed its broadband emission from 0.8 to 10.5 micrometres, revising earlier near-infrared photometry affected by scattered light from the primary star. The observed bands imply a luminosity of (4.9 ± 0.6) × 10⁻⁶ solar luminosities.

Source-linked catalogue note. A detailed explanatory guide has not yet been prepared for this entry.

Scientific scope

The 1996 paper treated the companion as one object; its roughly 900 K effective temperature used an assumed radius and its 6.4 × 10⁻⁶ solar bolometric luminosity additionally used atmosphere-model extrapolation. These are historical combined-light inferences, not direct temperatures or luminosities of separately resolved components.

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People and systems

K. Matthews; T. Nakajima; S. R. Kulkarni; B. R. Oppenheimer

These are the listed authors of the cited contribution sources. Paper authorship does not quantify individual effort. An incomplete list is explicitly marked; same names are not automatically merged.

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English catalogue narrative

Broadband photometry of the cool companion Gliese 229B

Following the 1995 discovery of the cool companion Gliese 229B, Matthews and colleagues measured and reassessed its broadband emission from 0.8 to 10.5 micrometres, revising earlier near-infrared photometry affected by scattered light from the primary star. The observed bands imply a luminosity of (4.9 ± 0.6) × 10⁻⁶ solar luminosities.

Scientific scope

The 1996 paper treated the companion as one object; its roughly 900 K effective temperature used an assumed radius and its 6.4 × 10⁻⁶ solar bolometric luminosity additionally used atmosphere-model extrapolation. These are historical combined-light inferences, not direct temperatures or luminosities of separately resolved components.

Reading status

This is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.

People and systems

K. Matthews; T. Nakajima; S. R. Kulkarni; B. R. Oppenheimer

These are the listed authors of the cited contribution sources. Paper authorship does not quantify individual effort. An incomplete list is explicitly marked; same names are not automatically merged.

Original sources