Exposure
ID
GRAVI.2024-02-25T02:34:35.466_1
Header ID
GRAVI.2024-02-25T02:34:35.466
Date updated
2024-02-25 02:50:26 UTC+0000
Release date
2025-02-25 02:50:26 UTC+0000
UTC Start
2024-02-25 02:34:35.466
UTC End
2024-02-25 02:40:35.466
MJD Start
60365.10735493
MJD End
60365.1115215967
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0097575
Ambient temperature (°C)
16.53
Seeing (arcsec)
0.575
Observation
ID
58517
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
43318
Name
TW_Hya
RA
165.468305
DEC
-34.70476
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 56.5590 56.5590 3.7000 4.6000
U1-U3 102.1650 102.1910 8.7000 9.7000
U1-U4 121.7710 122.3240 31.9590 33.2650
U2-U3 46.0810 46.1230 14.8000 15.9000
U2-U4 76.7550 77.5710 52.3590 53.7160
U3-U4 49.0500 49.9110 87.2860 88.2260
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 60365.10735493
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V TW Hya
HIERARCH ESO INS SOBJ NAME TW_Hya
RA 165.468305
DEC -34.70476
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 56.559
HIERARCH ESO ISS PBL12 END 56.559
HIERARCH ESO ISS PBLA12 START 3.7
HIERARCH ESO ISS PBLA12 END 4.6
HIERARCH ESO ISS PBL13 START 102.165
HIERARCH ESO ISS PBL13 END 102.191
HIERARCH ESO ISS PBLA13 START 8.7
HIERARCH ESO ISS PBLA13 END 9.7
HIERARCH ESO ISS PBL14 START 121.771
HIERARCH ESO ISS PBL14 END 122.324
HIERARCH ESO ISS PBLA14 START 31.959
HIERARCH ESO ISS PBLA14 END 33.265
HIERARCH ESO ISS PBL23 START 46.081
HIERARCH ESO ISS PBL23 END 46.123
HIERARCH ESO ISS PBLA23 START 14.8
HIERARCH ESO ISS PBLA23 END 15.9
HIERARCH ESO ISS PBL24 START 76.755
HIERARCH ESO ISS PBL24 END 77.571
HIERARCH ESO ISS PBLA24 START 52.359
HIERARCH ESO ISS PBLA24 END 53.716
HIERARCH ESO ISS PBL34 START 49.05
HIERARCH ESO ISS PBL34 END 49.911
HIERARCH ESO ISS PBLA34 START 87.286
HIERARCH ESO ISS PBLA34 END 88.226
HIERARCH ESO ISS AMBI TAU0 START 0.011132
HIERARCH ESO ISS AMBI TAU0 END 0.008383
HIERARCH ESO ISS AMBI TEMP 16.53
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.58