Exposure
ID
GRAVI.2024-02-28T02:15:22.485_1
Header ID
GRAVI.2024-02-28T02:15:22.485
Date updated
2024-02-28 02:30:24 UTC+0000
Release date
2025-02-28 02:30:24 UTC+0000
UTC Start
2024-02-28 02:15:22.485
UTC End
2024-02-28 02:21:22.485
MJD Start
60368.09401024
MJD End
60368.0981769067
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0053865
Ambient temperature (°C)
15.92
Seeing (arcsec)
0.84
Observation
ID
58533
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
43332
Name
TW_Hya
RA
165.468208
DEC
-34.7048
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 2.7000 3.6000
U1-U3 102.1360 102.1600 7.5000 8.5000
U1-U4 121.1260 121.6730 30.3970 31.7240
U2-U3 46.0330 46.0740 13.5000 14.6000
U2-U4 75.7840 76.6080 50.7210 52.1140
U3-U4 48.0070 48.8930 86.1570 87.1170
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 60368.09401024
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V TW Hya
HIERARCH ESO INS SOBJ NAME TW_Hya
RA 165.468208
DEC -34.7048
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 2.7
HIERARCH ESO ISS PBLA12 END 3.6
HIERARCH ESO ISS PBL13 START 102.136
HIERARCH ESO ISS PBL13 END 102.16
HIERARCH ESO ISS PBLA13 START 7.5
HIERARCH ESO ISS PBLA13 END 8.5
HIERARCH ESO ISS PBL14 START 121.126
HIERARCH ESO ISS PBL14 END 121.673
HIERARCH ESO ISS PBLA14 START 30.397
HIERARCH ESO ISS PBLA14 END 31.724
HIERARCH ESO ISS PBL23 START 46.033
HIERARCH ESO ISS PBL23 END 46.074
HIERARCH ESO ISS PBLA23 START 13.5
HIERARCH ESO ISS PBLA23 END 14.6
HIERARCH ESO ISS PBL24 START 75.784
HIERARCH ESO ISS PBL24 END 76.608
HIERARCH ESO ISS PBLA24 START 50.721
HIERARCH ESO ISS PBLA24 END 52.114
HIERARCH ESO ISS PBL34 START 48.007
HIERARCH ESO ISS PBL34 END 48.893
HIERARCH ESO ISS PBLA34 START 86.157
HIERARCH ESO ISS PBLA34 END 87.117
HIERARCH ESO ISS AMBI TAU0 START 0.004729
HIERARCH ESO ISS AMBI TAU0 END 0.006044
HIERARCH ESO ISS AMBI TEMP 15.92
HIERARCH ESO ISS AMBI FWHM START 0.98
HIERARCH ESO ISS AMBI FWHM END 0.7