2025RNAAS...9..301C

Query : 2025RNAAS...9..301C

2025RNAAS...9..301C - Research Notes of the AAS, 9, 301 (2025/November-0)

When Space-based TESS Misses the Signal Gravity Modes from Antarctic Ground-based PAIX.

CHADID M.

Abstract (from CDS):

A recent Research Note by T. Love reported no detection of gravity modes in the RR Lyrae star HH Puppis from TESS photometry. I show that this null result is fully consistent with the limitations of TESS for this target (single-sector baseline, window function, and redder passband) and does not undermine my previously reported detections. The g0 mode at 2.0013 day–1 is not an observational artifact: it deviates strongly from known aliasing frequencies, exhibits harmonic structure and nonlinear coupling with the fundamental radial mode, and is absent in other RR Lyrae stars observed with PAIX, using the same site, instrument, and reduction pipeline. These features confirm its astrophysical origin. High-resolution, continuous and uninterrupted PAIX photometry reaffirms the robustness of the gravity-mode detection and highlights the importance of complementary ground-based observations for revealing low-amplitude asteroseismic signals that remain undetectable in space-based survey data.

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

Journal keyword(s): Stellar pulsations - RR Lyrae variable stars - Stellar astronomy

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 V* HH Pup RR* 07 20 35.5562195569 -46 42 30.091727783   11.52 11.31 11.49   A3II/III 94 0

Query : 2025RNAAS...9..301C

Basic data :
V* HH Pup -- RR Lyrae Variable
Other object types: otypes_help 		* (CD,CPD,...), RR* (2014MNRAS), V* (ASAS,CSV,...), MIR (WISEA,WISE), NIR (2MASS)
ICRS coord. (ep=J2000) : 		07 20 35.5562195569 -46 42 30.091727783 (Optical) [ 0.0133 0.0145 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		07 19 08.3625581716 -46 36 47.885930326 [ 0.0133 0.0145 90 ]
Gal coord. (ep=J2000) : 		258.2375492559963 -14.7423868864876 [ 0.0133 0.0145 90 ]
Proper motions mas/yr : 		3.976 0.671 [0.019 0.019 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 18.59 [0.21] / z(~) 0.000062 [0.000001] / cz 18.59 [0.21]
   (Opt) A 2021ApJ...919...85B
Parallaxes (mas): 		1.1142 [0.0151] A 2020yCat.1350....0G
Spectral type: 		A3II/III C 1972POAN....2...59S
Fluxes (7) :
B 11.52 [0.08] D 2000A&A...355L..27H
V 11.31 [0.10] D 2000A&A...355L..27H
R 11.49 [0.06] E 2012yCat.1322....0Z
G 11.343765 [0.014373] C 2020yCat.1350....0G
J 10.495 [0.023] C 2003yCat.2246....0C
H 10.255 [0.022] C 2003yCat.2246....0C
K 10.166 [0.021] C 2003yCat.2246....0C
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 1 : 4428 Display criteria :

Identifiers (23) :
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CD-46 3086 GEN# -0.04603086 TIC 59759791 WISEA J072035.55-464230.1
ASAS J072036-4642.5 HIC 35584 TYC 8120-896-1 WISE J072035.56-464230.1
CPD-46 1400 HIP 35584 UCAC2 11698907 Gaia DR3 5510293236607430656
CRTS J072035.3-464232 2MASS J07203555-4642301 UCAC3 87-29059 Gaia DR1 5510293232308723712
CSV 1029 SOPS III a-135 UCAC4 217-012722 Gaia DR2 5510293236607430656
GCRV 58704 SV* SON 4879 V* HH Pup

References (94 between 1850 and 2026) (Total 94)
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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Collections of Measurements Description of Measurements

Velocities : 3    Distance : 2    Var : 4    Fe/H : 4    Plx : 5    PM : 4   

   

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CD-46 3086 CPD-46 1400 HIC 35584 HIP 35584 2MASS J07203555-4642301
TYC 8120-896-1 UCAC2 11698907 UCAC3 87-29059 UCAC4 217-012722 V* HH Pup
WISEA J072035.55-464230.1 WISE J072035.56-464230.1 Gaia DR3 5510293236607430656 Gaia DR1 5510293232308723712 Gaia DR2 5510293236607430656

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