2025RNAAS...9..279H

Query : 2025RNAAS...9..279H

2025RNAAS...9..279H - Research Notes of the AAS, 9, 279 (2025/October-0)

Wind Power as a Technosignature on M-dwarf Planets.

HAQQ-MISRA J. and DANYLOV M.

Abstract (from CDS):

We suggest that the large-scale deployment of wind turbines on an M-dwarf planet could produce observable technosignatures. Motivated by observations of hypersonic wind velocities on WASP-127 b, we note that the atmospheres of such planets could serve as vast reservoirs of energy for an extraterrestrial civilization. A large-scale deployment of wind turbines in a hypersonic environment would produce heated shock waves in the hypersonic stream, cause strong frictional heating from the rotation of the blades, and be a source of infrared radiation. We mention possible scenarios that could lead to the deployment of wind turbines on a gas giant and also note that similar features could exist on terrestrial M-dwarf planets. The idea that aerodynamic peculiarities could be a technosignature is worth keeping in mind as ground- and space-based exoplanet observations continue to improve.

Abstract Copyright: © 2025. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Astrobiology - Exoplanet atmospheres - M dwarf stars - Search for extraterrestrial intelligence - Technosignatures

Simbad objects: 1

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Number of rows : 1
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 BD-03 2978b Pl 10 42 14.0836906368 -03 50 06.260144388           ~ 150 0

Query : 2025RNAAS...9..279H

Basic data :
BD-03 2978b -- Extra-solar Planet
Other object types: otypes_help 		Pl (), Pl? (2017A&A,TOI,...), * (BD)
ICRS coord. (ep=J2000) : 		10 42 14.0836906368 -03 50 06.260144388 (Optical) [ 0.0153 0.0138 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		10 39 41.7350770431 -03 34 23.886370311 [ 0.0153 0.0138 90 ]
Gal coord. (ep=J2000) : 		252.7235136115207 +46.0613726414935 [ 0.0153 0.0138 90 ]
Proper motions mas/yr : 		19.133 17.058 [0.020 0.018 90] A 2020yCat.1350....0G
Parallaxes (mas): 		6.2241 [0.0175] A 2020yCat.1350....0G
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Identifiers (4) :
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BD-03 2978b TOI-675.01 TOI-675b WASP-127b

References (150 between 1850 and 2026) (Total 150)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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BD-03 2978b

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