Exposure
ID
GRAVI.2024-02-28T01:21:16.347_1
Header ID
GRAVI.2024-02-28T01:21:16.347
Date updated
2024-02-28 01:35:26 UTC+0000
Release date
2025-02-28 01:35:26 UTC+0000
UTC Start
2024-02-28 01:21:16.347
UTC End
2024-02-28 01:27:16.347
MJD Start
60368.0564392
MJD End
60368.0606058667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.003644
Ambient temperature (°C)
15.71
Seeing (arcsec)
0.85
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 56.5600 56.5590 354.9000 355.8000
U1-U3 102.0460 102.0430 358.9000 359.9000
U1-U4 116.9190 117.3330 18.1370 19.6280
U2-U3 45.7940 45.8090 3.8000 4.9000
U2-U4 68.7040 69.4910 37.1240 38.8590
U3-U4 39.5000 40.5540 76.7090 77.9470
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 60368.0564392
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 56.56
HIERARCH ESO ISS PBL12 END 56.559
HIERARCH ESO ISS PBLA12 START 354.9
HIERARCH ESO ISS PBLA12 END 355.8
HIERARCH ESO ISS PBL13 START 102.046
HIERARCH ESO ISS PBL13 END 102.043
HIERARCH ESO ISS PBLA13 START 358.9
HIERARCH ESO ISS PBLA13 END 359.9
HIERARCH ESO ISS PBL14 START 116.919
HIERARCH ESO ISS PBL14 END 117.333
HIERARCH ESO ISS PBLA14 START 18.137
HIERARCH ESO ISS PBLA14 END 19.628
HIERARCH ESO ISS PBL23 START 45.794
HIERARCH ESO ISS PBL23 END 45.809
HIERARCH ESO ISS PBLA23 START 3.8
HIERARCH ESO ISS PBLA23 END 4.9
HIERARCH ESO ISS PBL24 START 68.704
HIERARCH ESO ISS PBL24 END 69.491
HIERARCH ESO ISS PBLA24 START 37.124
HIERARCH ESO ISS PBLA24 END 38.859
HIERARCH ESO ISS PBL34 START 39.5
HIERARCH ESO ISS PBL34 END 40.554
HIERARCH ESO ISS PBLA34 START 76.709
HIERARCH ESO ISS PBLA34 END 77.947
HIERARCH ESO ISS AMBI TAU0 START 0.003743
HIERARCH ESO ISS AMBI TAU0 END 0.003545
HIERARCH ESO ISS AMBI TEMP 15.71
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.95