Exposure
ID
GRAVI.2021-10-20T06:38:41.767_1
Header ID
GRAVI.2021-10-20T06:38:41.767
Date updated
2021-10-20 06:46:06 UTC+0000
Release date
2021-10-20 06:38:41 UTC+0000
UTC Start
2021-10-20 06:38:41.767
UTC End
2021-10-20 06:40:41.767
MJD Start
59507.2768723
MJD End
59507.2782611889
Exposure time (s)
120.0
Validation level
1
Tau 0: Coherence time (s)
0.001345
Ambient temperature (°C)
9.74
Seeing (arcsec)
1.93
Observation
ID
48578
Category
calibrator
Program ID
108.228Z.004
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/ KLARMANN/ HENNING/ KEPPLER/ SANCHEZ/ VAN BOEKEL/ PFUHL/ ECKART/ EISENHAUER/ LACOUR/ MENARD/ PAUMARD/ PERRIN/ STRAUBMEIER/ VAN DISHOECK/ BOUVIER/ DOUGADOS/ DUVERT/ ...
Target
ID
36400
Name
HD37899
RA
83.819363
DEC
-71.13705
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 45.1540 45.1220 17.1000 17.5000
U1-U3 85.6240 85.5530 23.4000 23.8000
U1-U4 126.2970 126.2250 45.8490 46.3470
U2-U3 41.0370 41.0020 30.3000 30.7000
U2-U4 89.3970 89.4030 59.9160 60.4470
U3-U4 57.4470 57.5230 80.6180 81.1590
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.228Z.004
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 59507.2768723
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 37899
HIERARCH ESO INS SOBJ NAME HD37899
RA 83.819363
DEC -71.13705
HIERARCH ESO INS SPEC RES MEDIUM
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 135.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 45.154
HIERARCH ESO ISS PBL12 END 45.122
HIERARCH ESO ISS PBLA12 START 17.1
HIERARCH ESO ISS PBLA12 END 17.5
HIERARCH ESO ISS PBL13 START 85.624
HIERARCH ESO ISS PBL13 END 85.553
HIERARCH ESO ISS PBLA13 START 23.4
HIERARCH ESO ISS PBLA13 END 23.8
HIERARCH ESO ISS PBL14 START 126.297
HIERARCH ESO ISS PBL14 END 126.225
HIERARCH ESO ISS PBLA14 START 45.849
HIERARCH ESO ISS PBLA14 END 46.347
HIERARCH ESO ISS PBL23 START 41.037
HIERARCH ESO ISS PBL23 END 41.002
HIERARCH ESO ISS PBLA23 START 30.3
HIERARCH ESO ISS PBLA23 END 30.7
HIERARCH ESO ISS PBL24 START 89.397
HIERARCH ESO ISS PBL24 END 89.403
HIERARCH ESO ISS PBLA24 START 59.916
HIERARCH ESO ISS PBLA24 END 60.447
HIERARCH ESO ISS PBL34 START 57.447
HIERARCH ESO ISS PBL34 END 57.523
HIERARCH ESO ISS PBLA34 START 80.618
HIERARCH ESO ISS PBLA34 END 81.159
HIERARCH ESO ISS AMBI TAU0 START 0.001359
HIERARCH ESO ISS AMBI TAU0 END 0.001331
HIERARCH ESO ISS AMBI TEMP 9.74
HIERARCH ESO ISS AMBI FWHM START 1.93
HIERARCH ESO ISS AMBI FWHM END 1.93