Exposure
ID
GRAVI.2023-01-29T08:03:46.163_1
Header ID
GRAVI.2023-01-29T08:03:46.163
Date updated
2023-01-29 08:15:45 UTC+0000
Release date
2024-01-29 08:15:45 UTC+0000
UTC Start
2023-01-29 08:03:46.163
UTC End
2023-01-29 08:09:46.163
MJD Start
59973.33595096
MJD End
59973.3401176267
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0103685
Ambient temperature (°C)
14.1
Seeing (arcsec)
0.435
Observation
ID
54071
Category
science
Program ID
110.23TT.001
Program Title
THE INNER ASTRONOMICAL UNITS IN PROTOPLANETARY DISKS: A STATISTICAL APPROACH
Program Type
GTO
PI / COI
GARCIA LOPEZ/ CARATTI O GARATTI/ ROUSSELET-PERRAUT/ GARCIA/ BENISTY/ LABADIE/ BRANDNER/ HENNING/ KEPPLER/ SANCHEZ/ VAN BOEKEL/ PFUHL/ ECKART/ EISENHAUER/ LACOUR/ MENARD/ PAUMARD/ PERRIN/ STRAUBMEIER/ VAN DISHOECK/ BOUVIER/ DOUGADOS/ DUVERT/ BERGER/ ...
Target
ID
40188
Name
TCha
RA
179.293158
DEC
-79.3588
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 84.4170 84.5730 105.0000 106.5000
A0-J2 129.1170 129.1430 90.9000 92.5000
A0-K0 123.4530 123.2850 78.0830 79.6180
G1-J2 51.5290 51.4020 67.4000 68.9000
G1-K0 61.5080 61.2920 39.6780 40.9900
J2-K0 28.7580 28.8130 343.2130 344.3850
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 110.23TT.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59973.33595096
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V T Cha
HIERARCH ESO INS SOBJ NAME TCha
RA 179.293158
DEC -79.3588
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 377.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 84.417
HIERARCH ESO ISS PBL12 END 84.573
HIERARCH ESO ISS PBLA12 START 105.0
HIERARCH ESO ISS PBLA12 END 106.5
HIERARCH ESO ISS PBL13 START 129.117
HIERARCH ESO ISS PBL13 END 129.143
HIERARCH ESO ISS PBLA13 START 90.9
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 123.453
HIERARCH ESO ISS PBL14 END 123.285
HIERARCH ESO ISS PBLA14 START 78.083
HIERARCH ESO ISS PBLA14 END 79.618
HIERARCH ESO ISS PBL23 START 51.529
HIERARCH ESO ISS PBL23 END 51.402
HIERARCH ESO ISS PBLA23 START 67.4
HIERARCH ESO ISS PBLA23 END 68.9
HIERARCH ESO ISS PBL24 START 61.508
HIERARCH ESO ISS PBL24 END 61.292
HIERARCH ESO ISS PBLA24 START 39.678
HIERARCH ESO ISS PBLA24 END 40.99
HIERARCH ESO ISS PBL34 START 28.758
HIERARCH ESO ISS PBL34 END 28.813
HIERARCH ESO ISS PBLA34 START 343.213
HIERARCH ESO ISS PBLA34 END 344.385
HIERARCH ESO ISS AMBI TAU0 START 0.010943
HIERARCH ESO ISS AMBI TAU0 END 0.009794
HIERARCH ESO ISS AMBI TEMP 14.1
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.41