Exposure
ID
MATIS.2025-08-07T05:48:28.987_1
Header ID
MATIS.2025-08-07T05:48:28.987
Date updated
2025-08-07 05:55:42 UTC+0000
Release date
2026-08-07 05:55:42 UTC+0000
UTC Start
2025-08-07 05:48:28.987
UTC End
2025-08-07 05:49:30.997
MJD Start
60894.24200216
MJD End
60894.24271986833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.009016
Ambient temperature (°C)
13.11
Seeing (arcsec)
0.53
Observation
ID
69378
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
51561
Name
HD 218396
RA
346.871623
DEC
21.13381
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 38.2740 38.3600 29.3000 29.4000
U1-U3 71.0190 71.2120 38.4000 38.5000
U1-U4 108.6730 108.9580 71.3190 71.2760
U2-U3 33.7650 33.8670 48.7000 48.7000
U2-U4 84.2170 84.3430 89.0240 88.9320
U3-U4 62.4360 62.4280 109.5200 109.4290
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 60894.24200216
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871623
DEC 21.13381
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 38.274
HIERARCH ESO ISS PBL12 END 38.36
HIERARCH ESO ISS PBLA12 START 29.3
HIERARCH ESO ISS PBLA12 END 29.4
HIERARCH ESO ISS PBL13 START 71.019
HIERARCH ESO ISS PBL13 END 71.212
HIERARCH ESO ISS PBLA13 START 38.4
HIERARCH ESO ISS PBLA13 END 38.5
HIERARCH ESO ISS PBL14 START 108.673
HIERARCH ESO ISS PBL14 END 108.958
HIERARCH ESO ISS PBLA14 START 71.319
HIERARCH ESO ISS PBLA14 END 71.276
HIERARCH ESO ISS PBL23 START 33.765
HIERARCH ESO ISS PBL23 END 33.867
HIERARCH ESO ISS PBLA23 START 48.7
HIERARCH ESO ISS PBLA23 END 48.7
HIERARCH ESO ISS PBL24 START 84.217
HIERARCH ESO ISS PBL24 END 84.343
HIERARCH ESO ISS PBLA24 START 89.024
HIERARCH ESO ISS PBLA24 END 88.932
HIERARCH ESO ISS PBL34 START 62.436
HIERARCH ESO ISS PBL34 END 62.428
HIERARCH ESO ISS PBLA34 START 109.52
HIERARCH ESO ISS PBLA34 END 109.429
HIERARCH ESO ISS AMBI TAU0 START 0.009016
HIERARCH ESO ISS AMBI TAU0 END 0.009016
HIERARCH ESO ISS AMBI TEMP 13.11
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.53