Exposure
ID
GRAVI.2024-02-27T02:12:45.892_1
Header ID
GRAVI.2024-02-27T02:12:45.892
Date updated
2024-02-27 02:40:11 UTC+0000
Release date
2025-02-27 02:40:11 UTC+0000
UTC Start
2024-02-27 02:12:45.892
UTC End
2024-02-27 02:18:45.892
MJD Start
60367.09219782
MJD End
60367.0963644867
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.004441
Ambient temperature (°C)
15.17
Seeing (arcsec)
0.885
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 56.5580 56.5590 1.7000 2.6000
U1-U3 102.1130 102.1350 6.5000 7.5000
U1-U4 120.5610 121.1030 28.9880 30.3400
U2-U3 45.9930 46.0320 12.4000 13.5000
U2-U4 74.9170 75.7500 49.2280 50.6620
U3-U4 47.0570 47.9700 85.1310 86.1160
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 60367.09219782
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 56.558
HIERARCH ESO ISS PBL12 END 56.559
HIERARCH ESO ISS PBLA12 START 1.7
HIERARCH ESO ISS PBLA12 END 2.6
HIERARCH ESO ISS PBL13 START 102.113
HIERARCH ESO ISS PBL13 END 102.135
HIERARCH ESO ISS PBLA13 START 6.5
HIERARCH ESO ISS PBLA13 END 7.5
HIERARCH ESO ISS PBL14 START 120.561
HIERARCH ESO ISS PBL14 END 121.103
HIERARCH ESO ISS PBLA14 START 28.988
HIERARCH ESO ISS PBLA14 END 30.34
HIERARCH ESO ISS PBL23 START 45.993
HIERARCH ESO ISS PBL23 END 46.032
HIERARCH ESO ISS PBLA23 START 12.4
HIERARCH ESO ISS PBLA23 END 13.5
HIERARCH ESO ISS PBL24 START 74.917
HIERARCH ESO ISS PBL24 END 75.75
HIERARCH ESO ISS PBLA24 START 49.228
HIERARCH ESO ISS PBLA24 END 50.662
HIERARCH ESO ISS PBL34 START 47.057
HIERARCH ESO ISS PBL34 END 47.97
HIERARCH ESO ISS PBLA34 START 85.131
HIERARCH ESO ISS PBLA34 END 86.116
HIERARCH ESO ISS AMBI TAU0 START 0.004468
HIERARCH ESO ISS AMBI TAU0 END 0.004414
HIERARCH ESO ISS AMBI TEMP 15.17
HIERARCH ESO ISS AMBI FWHM START 0.87
HIERARCH ESO ISS AMBI FWHM END 0.9