Exposure
ID
GRAVI.2018-10-28T07:47:50.241_1
Header ID
GRAVI.2018-10-28T07:47:50.241
Date updated
2018-10-28 08:05:27 UTC+0000
Release date
2019-10-28 08:05:27 UTC+0000
UTC Start
2018-10-28 07:47:50.241
UTC End
2018-10-28 07:52:50.241
MJD Start
58419.32488705
MJD End
58419.32835927222
Exposure time (s)
300.0
Validation level
1
Tau 0: Coherence time (s)
0.003879
Ambient temperature (°C)
14.36
Seeing (arcsec)
0.55
Observation
ID
42240
Category
science
Program ID
0102.C-0210(A)
Program Title
INNER AND OUTER DISK MISALIGNMENTS IN TRANSITION DISKS: THE KEY TO THEIR ORIGIN?
Program Type
Normal
PI / COI
BENISTY/ VAN DER MAREL/ VAN DISHOECK/ BERGER/ FACCHINI/ HENNING/ MANARA
Target
ID
31901
Name
IP_Tau
RA
66.240372
DEC
27.1989
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 46.0290 46.4610 40.4000 40.4000
U1-U3 87.8090 88.5720 45.7000 45.6000
U1-U4 128.5440 128.9060 64.6460 64.1190
U2-U3 42.1920 42.5050 51.5000 51.2000
U2-U4 88.6060 88.3470 76.9560 76.3120
U3-U4 53.6610 52.9990 96.7010 96.1780
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 0102.C-0210(A)
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 58419.32488705
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME IP_Tau
HIERARCH ESO INS SOBJ NAME IP_Tau
RA 66.240372
DEC 27.1989
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 318.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 30
HIERARCH ESO ISS PBL12 START 46.029
HIERARCH ESO ISS PBL12 END 46.461
HIERARCH ESO ISS PBLA12 START 40.4
HIERARCH ESO ISS PBLA12 END 40.4
HIERARCH ESO ISS PBL13 START 87.809
HIERARCH ESO ISS PBL13 END 88.572
HIERARCH ESO ISS PBLA13 START 45.7
HIERARCH ESO ISS PBLA13 END 45.6
HIERARCH ESO ISS PBL14 START 128.544
HIERARCH ESO ISS PBL14 END 128.906
HIERARCH ESO ISS PBLA14 START 64.646
HIERARCH ESO ISS PBLA14 END 64.119
HIERARCH ESO ISS PBL23 START 42.192
HIERARCH ESO ISS PBL23 END 42.505
HIERARCH ESO ISS PBLA23 START 51.5
HIERARCH ESO ISS PBLA23 END 51.2
HIERARCH ESO ISS PBL24 START 88.606
HIERARCH ESO ISS PBL24 END 88.347
HIERARCH ESO ISS PBLA24 START 76.956
HIERARCH ESO ISS PBLA24 END 76.312
HIERARCH ESO ISS PBL34 START 53.661
HIERARCH ESO ISS PBL34 END 52.999
HIERARCH ESO ISS PBLA34 START 96.701
HIERARCH ESO ISS PBLA34 END 96.178
HIERARCH ESO ISS AMBI TAU0 START 0.004039
HIERARCH ESO ISS AMBI TAU0 END 0.003719
HIERARCH ESO ISS AMBI TEMP 14.36
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.57