Exposure
ID
GRAVI.2023-01-29T08:10:16.179_1
Header ID
GRAVI.2023-01-29T08:10:16.179
Date updated
2023-01-29 08:25:34 UTC+0000
Release date
2024-01-29 08:25:34 UTC+0000
UTC Start
2023-01-29 08:10:16.179
UTC End
2023-01-29 08:16:16.179
MJD Start
59973.34046504
MJD End
59973.3446317067
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0096695
Ambient temperature (°C)
14.08
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 84.5790 84.7330 106.6000 108.1000
A0-J2 129.1440 129.1670 92.5000 94.1000
A0-K0 123.2790 123.1060 79.6740 81.2170
G1-J2 51.3970 51.2670 68.9000 70.4000
G1-K0 61.2840 61.0600 41.0380 42.3590
J2-K0 28.8150 28.8660 344.4290 345.6060
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 59973.34046504
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 84.579
HIERARCH ESO ISS PBL12 END 84.733
HIERARCH ESO ISS PBLA12 START 106.6
HIERARCH ESO ISS PBLA12 END 108.1
HIERARCH ESO ISS PBL13 START 129.144
HIERARCH ESO ISS PBL13 END 129.167
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 94.1
HIERARCH ESO ISS PBL14 START 123.279
HIERARCH ESO ISS PBL14 END 123.106
HIERARCH ESO ISS PBLA14 START 79.674
HIERARCH ESO ISS PBLA14 END 81.217
HIERARCH ESO ISS PBL23 START 51.397
HIERARCH ESO ISS PBL23 END 51.267
HIERARCH ESO ISS PBLA23 START 68.9
HIERARCH ESO ISS PBLA23 END 70.4
HIERARCH ESO ISS PBL24 START 61.284
HIERARCH ESO ISS PBL24 END 61.06
HIERARCH ESO ISS PBLA24 START 41.038
HIERARCH ESO ISS PBLA24 END 42.359
HIERARCH ESO ISS PBL34 START 28.815
HIERARCH ESO ISS PBL34 END 28.866
HIERARCH ESO ISS PBLA34 START 344.429
HIERARCH ESO ISS PBLA34 END 345.606
HIERARCH ESO ISS AMBI TAU0 START 0.009794
HIERARCH ESO ISS AMBI TAU0 END 0.009545
HIERARCH ESO ISS AMBI TEMP 14.08
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.46