Exposure
ID
MATIS.2025-08-06T08:15:49.743_1
Header ID
MATIS.2025-08-06T08:15:49.743
Date updated
2025-08-06 08:25:42 UTC+0000
Release date
2026-08-06 08:25:41 UTC+0000
UTC Start
2025-08-06 08:15:49.743
UTC End
2025-08-06 08:16:51.753
MJD Start
60893.34432573
MJD End
60893.345043438334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.006077
Ambient temperature (°C)
14.35
Seeing (arcsec)
0.505
Observation
ID
69288
Category
science
Program ID
115.28GN.001
Program Title
MID-INFRARED STUDY OF THE PLANETARY ATMOSPHERES OF THE HR 8799 SYSTEM
Program Type
Normal
PI / COI
HOULLÉ / MILLOUR / SCIGLIUTO / LOPEZ
Target
ID
51500
Name
HD 218396
RA
346.871643
DEC
21.13407
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 49.8870 49.9560 38.2000 38.2000
U1-U3 93.8390 93.9570 43.2000 43.2000
U1-U4 130.0810 130.1020 62.3030 62.2140
U2-U3 44.3560 44.4010 48.8000 48.8000
U2-U4 86.9620 86.8760 75.8530 75.7450
U3-U4 51.5560 51.4080 98.8690 98.8010
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28GN.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 60893.34432573
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871643
DEC 21.13407
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME LOW
HIERARCH ESO INS DIN ID LOW
HIERARCH ESO INS MODE HYBRID
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 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2385
HIERARCH ESO ISS PBL12 START 49.887
HIERARCH ESO ISS PBL12 END 49.956
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 93.839
HIERARCH ESO ISS PBL13 END 93.957
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 130.081
HIERARCH ESO ISS PBL14 END 130.102
HIERARCH ESO ISS PBLA14 START 62.303
HIERARCH ESO ISS PBLA14 END 62.214
HIERARCH ESO ISS PBL23 START 44.356
HIERARCH ESO ISS PBL23 END 44.401
HIERARCH ESO ISS PBLA23 START 48.8
HIERARCH ESO ISS PBLA23 END 48.8
HIERARCH ESO ISS PBL24 START 86.962
HIERARCH ESO ISS PBL24 END 86.876
HIERARCH ESO ISS PBLA24 START 75.853
HIERARCH ESO ISS PBLA24 END 75.745
HIERARCH ESO ISS PBL34 START 51.556
HIERARCH ESO ISS PBL34 END 51.408
HIERARCH ESO ISS PBLA34 START 98.869
HIERARCH ESO ISS PBLA34 END 98.801
HIERARCH ESO ISS AMBI TAU0 START 0.00664
HIERARCH ESO ISS AMBI TAU0 END 0.005514
HIERARCH ESO ISS AMBI TEMP 14.35
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.53