Exposure
ID
GRAVI.2018-11-19T06:40:24.886_1
Header ID
GRAVI.2018-11-19T06:40:24.886
Date updated
2018-11-19 06:55:28 UTC+0000
Release date
2019-11-19 06:55:28 UTC+0000
UTC Start
2018-11-19 06:40:24.886
UTC End
2018-11-19 06:45:24.886
MJD Start
58441.27806581
MJD End
58441.28153803222
Exposure time (s)
300.0
Validation level
1
Tau 0: Coherence time (s)
0.008827999999999999
Ambient temperature (°C)
15.31
Seeing (arcsec)
0.44
Observation
ID
42259
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
31920
Name
LkCa_15
RA
69.82658
DEC
22.35087
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 48.4330 48.8180 38.4000 38.5000
U1-U3 91.4440 92.1170 43.8000 43.7000
U1-U4 129.4770 129.7170 63.6230 63.1700
U2-U3 43.4520 43.7220 49.7000 49.5000
U2-U4 88.0910 87.7500 77.1540 76.5960
U3-U4 53.4340 52.7380 99.1790 98.7910
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 58441.27806581
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME LkCa_15
HIERARCH ESO INS SOBJ NAME LkCa_15
RA 69.82658
DEC 22.35087
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 48.433
HIERARCH ESO ISS PBL12 END 48.818
HIERARCH ESO ISS PBLA12 START 38.4
HIERARCH ESO ISS PBLA12 END 38.5
HIERARCH ESO ISS PBL13 START 91.444
HIERARCH ESO ISS PBL13 END 92.117
HIERARCH ESO ISS PBLA13 START 43.8
HIERARCH ESO ISS PBLA13 END 43.7
HIERARCH ESO ISS PBL14 START 129.477
HIERARCH ESO ISS PBL14 END 129.717
HIERARCH ESO ISS PBLA14 START 63.623
HIERARCH ESO ISS PBLA14 END 63.17
HIERARCH ESO ISS PBL23 START 43.452
HIERARCH ESO ISS PBL23 END 43.722
HIERARCH ESO ISS PBLA23 START 49.7
HIERARCH ESO ISS PBLA23 END 49.5
HIERARCH ESO ISS PBL24 START 88.091
HIERARCH ESO ISS PBL24 END 87.75
HIERARCH ESO ISS PBLA24 START 77.154
HIERARCH ESO ISS PBLA24 END 76.596
HIERARCH ESO ISS PBL34 START 53.434
HIERARCH ESO ISS PBL34 END 52.738
HIERARCH ESO ISS PBLA34 START 99.179
HIERARCH ESO ISS PBLA34 END 98.791
HIERARCH ESO ISS AMBI TAU0 START 0.008021
HIERARCH ESO ISS AMBI TAU0 END 0.009635
HIERARCH ESO ISS AMBI TEMP 15.31
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.45