Exposure
ID
GRAVI.2023-01-29T07:49:37.127_1
Header ID
GRAVI.2023-01-29T07:49:37.127
Date updated
2023-01-29 08:05:41 UTC+0000
Release date
2024-01-29 08:05:41 UTC+0000
UTC Start
2023-01-29 07:49:37.127
UTC End
2023-01-29 07:55:37.127
MJD Start
59973.32612415
MJD End
59973.3302908167
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.009974
Ambient temperature (°C)
14.32
Seeing (arcsec)
0.495
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 84.0540 84.2180 101.6000 103.1000
A0-J2 129.0470 129.0810 87.4000 89.0000
A0-K0 123.8150 123.6550 74.6540 76.1860
G1-J2 51.8050 51.6830 64.1000 65.6000
G1-K0 61.9690 61.7670 36.7510 38.0580
J2-K0 28.6210 28.6850 340.5830 341.7590
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 59973.32612415
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 84.054
HIERARCH ESO ISS PBL12 END 84.218
HIERARCH ESO ISS PBLA12 START 101.6
HIERARCH ESO ISS PBLA12 END 103.1
HIERARCH ESO ISS PBL13 START 129.047
HIERARCH ESO ISS PBL13 END 129.081
HIERARCH ESO ISS PBLA13 START 87.4
HIERARCH ESO ISS PBLA13 END 89.0
HIERARCH ESO ISS PBL14 START 123.815
HIERARCH ESO ISS PBL14 END 123.655
HIERARCH ESO ISS PBLA14 START 74.654
HIERARCH ESO ISS PBLA14 END 76.186
HIERARCH ESO ISS PBL23 START 51.805
HIERARCH ESO ISS PBL23 END 51.683
HIERARCH ESO ISS PBLA23 START 64.1
HIERARCH ESO ISS PBLA23 END 65.6
HIERARCH ESO ISS PBL24 START 61.969
HIERARCH ESO ISS PBL24 END 61.767
HIERARCH ESO ISS PBLA24 START 36.751
HIERARCH ESO ISS PBLA24 END 38.058
HIERARCH ESO ISS PBL34 START 28.621
HIERARCH ESO ISS PBL34 END 28.685
HIERARCH ESO ISS PBLA34 START 340.583
HIERARCH ESO ISS PBLA34 END 341.759
HIERARCH ESO ISS AMBI TAU0 START 0.010412
HIERARCH ESO ISS AMBI TAU0 END 0.009536
HIERARCH ESO ISS AMBI TEMP 14.32
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.45