Exposure
ID
MATIS.2025-08-06T07:30:17.896_1
Header ID
MATIS.2025-08-06T07:30:17.896
Date updated
2025-08-06 07:40:46 UTC+0000
Release date
2026-08-06 07:40:46 UTC+0000
UTC Start
2025-08-06 07:30:17.896
UTC End
2025-08-06 07:31:19.906
MJD Start
60893.31270713
MJD End
60893.31342483833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0076265
Ambient temperature (°C)
14.25
Seeing (arcsec)
0.5
Observation
ID
69247
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
51478
Name
HD 218396
RA
346.871614
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 46.5370 46.6190 37.2000 37.2000
U1-U3 87.8580 88.0090 43.3000 43.3000
U1-U4 127.3090 127.4130 65.8530 65.7800
U2-U3 41.8830 41.9490 50.2000 50.1000
U2-U4 89.2990 89.2790 80.3220 80.2260
U3-U4 57.1030 56.9980 101.9440 101.8720
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 60893.31270713
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871614
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 46.537
HIERARCH ESO ISS PBL12 END 46.619
HIERARCH ESO ISS PBLA12 START 37.2
HIERARCH ESO ISS PBLA12 END 37.2
HIERARCH ESO ISS PBL13 START 87.858
HIERARCH ESO ISS PBL13 END 88.009
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 127.309
HIERARCH ESO ISS PBL14 END 127.413
HIERARCH ESO ISS PBLA14 START 65.853
HIERARCH ESO ISS PBLA14 END 65.78
HIERARCH ESO ISS PBL23 START 41.883
HIERARCH ESO ISS PBL23 END 41.949
HIERARCH ESO ISS PBLA23 START 50.2
HIERARCH ESO ISS PBLA23 END 50.1
HIERARCH ESO ISS PBL24 START 89.299
HIERARCH ESO ISS PBL24 END 89.279
HIERARCH ESO ISS PBLA24 START 80.322
HIERARCH ESO ISS PBLA24 END 80.226
HIERARCH ESO ISS PBL34 START 57.103
HIERARCH ESO ISS PBL34 END 56.998
HIERARCH ESO ISS PBLA34 START 101.944
HIERARCH ESO ISS PBLA34 END 101.872
HIERARCH ESO ISS AMBI TAU0 START 0.008324
HIERARCH ESO ISS AMBI TAU0 END 0.006929
HIERARCH ESO ISS AMBI TEMP 14.25
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.51