Exposure
ID
MATIS.2025-08-07T06:03:18.429_1
Header ID
MATIS.2025-08-07T06:03:18.429
Date updated
2025-08-07 06:15:46 UTC+0000
Release date
2026-08-07 06:15:45 UTC+0000
UTC Start
2025-08-07 06:03:18.429
UTC End
2025-08-07 06:04:20.439
MJD Start
60894.25229663
MJD End
60894.253014338334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.006791999999999999
Ambient temperature (°C)
13.12
Seeing (arcsec)
0.705
Observation
ID
69396
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
51569
Name
HD 218396
RA
346.871633
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 39.5240 39.6120 31.1000 31.2000
U1-U3 73.7800 73.9710 39.7000 39.8000
U1-U4 112.5940 112.8530 70.6700 70.6220
U2-U3 35.1990 35.2960 49.4000 49.4000
U2-U4 85.8800 85.9840 87.7080 87.6170
U3-U4 62.2150 62.1920 108.2420 108.1550
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 60894.25229663
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871633
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 39.524
HIERARCH ESO ISS PBL12 END 39.612
HIERARCH ESO ISS PBLA12 START 31.1
HIERARCH ESO ISS PBLA12 END 31.2
HIERARCH ESO ISS PBL13 START 73.78
HIERARCH ESO ISS PBL13 END 73.971
HIERARCH ESO ISS PBLA13 START 39.7
HIERARCH ESO ISS PBLA13 END 39.8
HIERARCH ESO ISS PBL14 START 112.594
HIERARCH ESO ISS PBL14 END 112.853
HIERARCH ESO ISS PBLA14 START 70.67
HIERARCH ESO ISS PBLA14 END 70.622
HIERARCH ESO ISS PBL23 START 35.199
HIERARCH ESO ISS PBL23 END 35.296
HIERARCH ESO ISS PBLA23 START 49.4
HIERARCH ESO ISS PBLA23 END 49.4
HIERARCH ESO ISS PBL24 START 85.88
HIERARCH ESO ISS PBL24 END 85.984
HIERARCH ESO ISS PBLA24 START 87.708
HIERARCH ESO ISS PBLA24 END 87.617
HIERARCH ESO ISS PBL34 START 62.215
HIERARCH ESO ISS PBL34 END 62.192
HIERARCH ESO ISS PBLA34 START 108.242
HIERARCH ESO ISS PBLA34 END 108.155
HIERARCH ESO ISS AMBI TAU0 START 0.006867
HIERARCH ESO ISS AMBI TAU0 END 0.006717
HIERARCH ESO ISS AMBI TEMP 13.12
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.69