Exposure
ID
GRAVI.2024-02-27T04:53:10.299_1
Header ID
GRAVI.2024-02-27T04:53:10.299
Date updated
2024-02-27 05:25:12 UTC+0000
Release date
2025-02-27 05:25:11 UTC+0000
UTC Start
2024-02-27 04:53:10.299
UTC End
2024-02-27 04:59:10.299
MJD Start
60367.20359142
MJD End
60367.2077580867
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.004953
Ambient temperature (°C)
15.41
Seeing (arcsec)
0.875
Observation
ID
58524
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
43325
Name
TW_Hya
RA
165.468553
DEC
-34.70485
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 56.1420 56.0770 23.4000 24.2000
U1-U3 101.8900 101.7640 29.7000 30.5000
U1-U4 130.2040 130.1550 57.3000 58.1880
U2-U3 46.4960 46.4400 37.3000 38.1000
U2-U4 89.2540 89.3560 77.8210 78.7360
U3-U4 61.7800 61.9660 107.0810 107.9280
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 60367.20359142
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V TW Hya
HIERARCH ESO INS SOBJ NAME TW_Hya
RA 165.468553
DEC -34.70485
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 56.142
HIERARCH ESO ISS PBL12 END 56.077
HIERARCH ESO ISS PBLA12 START 23.4
HIERARCH ESO ISS PBLA12 END 24.2
HIERARCH ESO ISS PBL13 START 101.89
HIERARCH ESO ISS PBL13 END 101.764
HIERARCH ESO ISS PBLA13 START 29.7
HIERARCH ESO ISS PBLA13 END 30.5
HIERARCH ESO ISS PBL14 START 130.204
HIERARCH ESO ISS PBL14 END 130.155
HIERARCH ESO ISS PBLA14 START 57.3
HIERARCH ESO ISS PBLA14 END 58.188
HIERARCH ESO ISS PBL23 START 46.496
HIERARCH ESO ISS PBL23 END 46.44
HIERARCH ESO ISS PBLA23 START 37.3
HIERARCH ESO ISS PBLA23 END 38.1
HIERARCH ESO ISS PBL24 START 89.254
HIERARCH ESO ISS PBL24 END 89.356
HIERARCH ESO ISS PBLA24 START 77.821
HIERARCH ESO ISS PBLA24 END 78.736
HIERARCH ESO ISS PBL34 START 61.78
HIERARCH ESO ISS PBL34 END 61.966
HIERARCH ESO ISS PBLA34 START 107.081
HIERARCH ESO ISS PBLA34 END 107.928
HIERARCH ESO ISS AMBI TAU0 START 0.004884
HIERARCH ESO ISS AMBI TAU0 END 0.005022
HIERARCH ESO ISS AMBI TEMP 15.41
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.91