Exposure
ID
GRAVI.2024-02-24T03:56:31.504_1
Header ID
GRAVI.2024-02-24T03:56:31.504
Date updated
2024-02-24 04:15:27 UTC+0000
Release date
2025-02-24 04:15:27 UTC+0000
UTC Start
2024-02-24 03:56:31.504
UTC End
2024-02-24 04:02:31.504
MJD Start
60364.16425352
MJD End
60364.1684201867
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.004769
Ambient temperature (°C)
14.52
Seeing (arcsec)
1.34
Observation
ID
58507
Category
science
Program ID
112.2622.001
Program Title
TEMPORAL MONITORING OF TW HYA'S MAGNETOSPHERE WITH GRAVITY
Program Type
Normal
PI / COI
SOULAIN/ ROUSSELET-PERRAUT/ BOUVIER/ BENISTY/ TESSORE/ PANTOLMOS/ DOUGADOS/ ALECIAN/ BERGER/ DONATI/ LABADIE
Target
ID
43311
Name
TW_Hya
RA
165.468402
DEC
-34.70492
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 56.5120 56.4970 14.7000 15.5000
U1-U3 102.4340 102.4320 20.5000 21.4000
U1-U4 128.0130 128.3900 46.7000 47.7560
U2-U3 46.5750 46.5990 27.6000 28.6000
U2-U4 85.5220 86.0500 67.2110 68.2560
U3-U4 57.8170 58.3310 98.0900 98.9150
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.2622.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60364.16425352
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V TW Hya
HIERARCH ESO INS SOBJ NAME TW_Hya
RA 165.468402
DEC -34.70492
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 377.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 56.512
HIERARCH ESO ISS PBL12 END 56.497
HIERARCH ESO ISS PBLA12 START 14.7
HIERARCH ESO ISS PBLA12 END 15.5
HIERARCH ESO ISS PBL13 START 102.434
HIERARCH ESO ISS PBL13 END 102.432
HIERARCH ESO ISS PBLA13 START 20.5
HIERARCH ESO ISS PBLA13 END 21.4
HIERARCH ESO ISS PBL14 START 128.013
HIERARCH ESO ISS PBL14 END 128.39
HIERARCH ESO ISS PBLA14 START 46.7
HIERARCH ESO ISS PBLA14 END 47.756
HIERARCH ESO ISS PBL23 START 46.575
HIERARCH ESO ISS PBL23 END 46.599
HIERARCH ESO ISS PBLA23 START 27.6
HIERARCH ESO ISS PBLA23 END 28.6
HIERARCH ESO ISS PBL24 START 85.522
HIERARCH ESO ISS PBL24 END 86.05
HIERARCH ESO ISS PBLA24 START 67.211
HIERARCH ESO ISS PBLA24 END 68.256
HIERARCH ESO ISS PBL34 START 57.817
HIERARCH ESO ISS PBL34 END 58.331
HIERARCH ESO ISS PBLA34 START 98.09
HIERARCH ESO ISS PBLA34 END 98.915
HIERARCH ESO ISS AMBI TAU0 START 0.004769
HIERARCH ESO ISS AMBI TAU0 END 0.004769
HIERARCH ESO ISS AMBI TEMP 14.52
HIERARCH ESO ISS AMBI FWHM START 1.34
HIERARCH ESO ISS AMBI FWHM END 1.34