Exposure
ID
GRAVI.2024-02-27T02:52:51.993_1
Header ID
GRAVI.2024-02-27T02:52:51.993
Date updated
2024-02-27 03:08:15 UTC+0000
Release date
2025-02-27 03:08:15 UTC+0000
UTC Start
2024-02-27 02:52:51.993
UTC End
2024-02-27 02:58:51.993
MJD Start
60367.12004622
MJD End
60367.1242128867
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.003748
Ambient temperature (°C)
15.17
Seeing (arcsec)
0.985
Observation
ID
58522
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
43323
Name
TW_Hya
RA
165.468356
DEC
-34.70483
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 56.5580 7.5000 8.4000
U1-U3 102.2790 102.3070 12.8000 13.8000
U1-U4 124.0590 124.5960 37.2540 38.4740
U2-U3 46.2620 46.3060 19.3000 20.4000
U2-U4 80.0600 80.8130 57.7950 59.0270
U3-U4 52.4630 53.2160 91.0900 91.9700
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 60367.12004622
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V TW Hya
HIERARCH ESO INS SOBJ NAME TW_Hya
RA 165.468356
DEC -34.70483
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 56.558
HIERARCH ESO ISS PBLA12 START 7.5
HIERARCH ESO ISS PBLA12 END 8.4
HIERARCH ESO ISS PBL13 START 102.279
HIERARCH ESO ISS PBL13 END 102.307
HIERARCH ESO ISS PBLA13 START 12.8
HIERARCH ESO ISS PBLA13 END 13.8
HIERARCH ESO ISS PBL14 START 124.059
HIERARCH ESO ISS PBL14 END 124.596
HIERARCH ESO ISS PBLA14 START 37.254
HIERARCH ESO ISS PBLA14 END 38.474
HIERARCH ESO ISS PBL23 START 46.262
HIERARCH ESO ISS PBL23 END 46.306
HIERARCH ESO ISS PBLA23 START 19.3
HIERARCH ESO ISS PBLA23 END 20.4
HIERARCH ESO ISS PBL24 START 80.06
HIERARCH ESO ISS PBL24 END 80.813
HIERARCH ESO ISS PBLA24 START 57.795
HIERARCH ESO ISS PBLA24 END 59.027
HIERARCH ESO ISS PBL34 START 52.463
HIERARCH ESO ISS PBL34 END 53.216
HIERARCH ESO ISS PBLA34 START 91.09
HIERARCH ESO ISS PBLA34 END 91.97
HIERARCH ESO ISS AMBI TAU0 START 0.003781
HIERARCH ESO ISS AMBI TAU0 END 0.003715
HIERARCH ESO ISS AMBI TEMP 15.17
HIERARCH ESO ISS AMBI FWHM START 0.98
HIERARCH ESO ISS AMBI FWHM END 0.99