Exposure
ID
GRAVI.2023-12-28T02:52:54.047_1
Header ID
GRAVI.2023-12-28T02:52:54.047
Date updated
2023-12-28 03:06:33 UTC+0000
Release date
2023-12-28 02:52:54 UTC+0000
UTC Start
2023-12-28 02:52:54.047
UTC End
2023-12-28 02:58:54.047
MJD Start
60306.12006999
MJD End
60306.124236656666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.009242
Ambient temperature (°C)
14.92
Seeing (arcsec)
0.5
Observation
ID
58070
Category
calibrator
Program ID
112.25T1.001
Program Title
THE INNER ASTRONOMICAL UNITS IN PROTOPLANETARY DISKS: A STATISTICAL APPROACH
Program Type
GTO
PI / COI
SANCHEZ/ GARCIA LOPEZ/ CARATTI O GARATTI/ ROUSSELET-PERRAUT/ GARCIA/ BENISTY/ LABADIE/ BRANDNER/ HENNING/ KEPPLER/ VAN BOEKEL/ PFUHL/ ECKART/ EISENHAUER/ LACOUR/ MENARD/ PAUMARD/ PERRIN/ STRAUBMEIER/ VAN DISHOECK/ BOUVIER/ DOUGADOS/ DUVERT/ BERGER/ ...
Target
ID
43003
Name
HD_31464
RA
74.278806
DEC
24.75223
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 39.3110 39.9000 35.2000 35.7000
U1-U3 74.4830 75.6890 43.3000 43.7000
U1-U4 116.2920 117.6520 71.2720 70.8360
U2-U3 35.9990 36.5810 52.2000 52.3000
U2-U4 87.6180 88.0400 86.5830 85.9360
U3-U4 61.3570 61.0540 105.9160 105.3300
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.25T1.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60306.12006999
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 31464
HIERARCH ESO INS SOBJ NAME HD_31464
RA 74.278806
DEC 24.75223
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 39.311
HIERARCH ESO ISS PBL12 END 39.9
HIERARCH ESO ISS PBLA12 START 35.2
HIERARCH ESO ISS PBLA12 END 35.7
HIERARCH ESO ISS PBL13 START 74.483
HIERARCH ESO ISS PBL13 END 75.689
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.7
HIERARCH ESO ISS PBL14 START 116.292
HIERARCH ESO ISS PBL14 END 117.652
HIERARCH ESO ISS PBLA14 START 71.272
HIERARCH ESO ISS PBLA14 END 70.836
HIERARCH ESO ISS PBL23 START 35.999
HIERARCH ESO ISS PBL23 END 36.581
HIERARCH ESO ISS PBLA23 START 52.2
HIERARCH ESO ISS PBLA23 END 52.3
HIERARCH ESO ISS PBL24 START 87.618
HIERARCH ESO ISS PBL24 END 88.04
HIERARCH ESO ISS PBLA24 START 86.583
HIERARCH ESO ISS PBLA24 END 85.936
HIERARCH ESO ISS PBL34 START 61.357
HIERARCH ESO ISS PBL34 END 61.054
HIERARCH ESO ISS PBLA34 START 105.916
HIERARCH ESO ISS PBLA34 END 105.33
HIERARCH ESO ISS AMBI TAU0 START 0.010729
HIERARCH ESO ISS AMBI TAU0 END 0.007755
HIERARCH ESO ISS AMBI TEMP 14.92
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.57