Exposure
ID
MATIS.2025-08-09T07:50:40.768_1
Header ID
MATIS.2025-08-09T07:50:40.768
Date updated
2025-08-09 08:00:44 UTC+0000
Release date
2026-08-09 08:00:44 UTC+0000
UTC Start
2025-08-09 07:50:40.768
UTC End
2025-08-09 07:51:42.778
MJD Start
60896.32686074
MJD End
60896.327578448334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.006413
Ambient temperature (°C)
12.5
Seeing (arcsec)
0.46499999999999997
Observation
ID
69630
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
51708
Name
HD 218396
RA
346.871637
DEC
21.13389
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 48.9610 49.0360 38.0000 38.1000
U1-U3 92.2390 92.3700 43.4000 43.4000
U1-U4 129.6470 129.6920 63.4180 63.3320
U2-U3 43.7240 43.7770 49.3000 49.3000
U2-U4 87.9460 87.8770 77.2200 77.1140
U3-U4 53.3790 53.2400 99.7560 99.6850
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 60896.32686074
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871637
DEC 21.13389
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 48.961
HIERARCH ESO ISS PBL12 END 49.036
HIERARCH ESO ISS PBLA12 START 38.0
HIERARCH ESO ISS PBLA12 END 38.1
HIERARCH ESO ISS PBL13 START 92.239
HIERARCH ESO ISS PBL13 END 92.37
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 129.647
HIERARCH ESO ISS PBL14 END 129.692
HIERARCH ESO ISS PBLA14 START 63.418
HIERARCH ESO ISS PBLA14 END 63.332
HIERARCH ESO ISS PBL23 START 43.724
HIERARCH ESO ISS PBL23 END 43.777
HIERARCH ESO ISS PBLA23 START 49.3
HIERARCH ESO ISS PBLA23 END 49.3
HIERARCH ESO ISS PBL24 START 87.946
HIERARCH ESO ISS PBL24 END 87.877
HIERARCH ESO ISS PBLA24 START 77.22
HIERARCH ESO ISS PBLA24 END 77.114
HIERARCH ESO ISS PBL34 START 53.379
HIERARCH ESO ISS PBL34 END 53.24
HIERARCH ESO ISS PBLA34 START 99.756
HIERARCH ESO ISS PBLA34 END 99.685
HIERARCH ESO ISS AMBI TAU0 START 0.006619
HIERARCH ESO ISS AMBI TAU0 END 0.006207
HIERARCH ESO ISS AMBI TEMP 12.5
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.46