Exposure
ID
MATIS.2025-08-09T08:00:25.247_1
Header ID
MATIS.2025-08-09T08:00:25.247
Date updated
2025-08-09 08:05:45 UTC+0000
Release date
2026-08-09 08:05:45 UTC+0000
UTC Start
2025-08-09 08:00:25.247
UTC End
2025-08-09 08:01:31.691
MJD Start
60896.33362554
MJD End
60896.33439456778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.0077215
Ambient temperature (°C)
12.55
Seeing (arcsec)
0.41500000000000004
Observation
ID
69639
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
51713
Name
HD 218396
RA
346.871645
DEC
21.13388
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_MEDIUM
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 49.6410 49.7280 38.2000 38.2000
U1-U3 93.4200 93.5690 43.2000 43.2000
U1-U4 129.9940 130.0270 62.6100 62.5010
U2-U3 44.1930 44.2510 49.0000 48.9000
U2-U4 87.2520 87.1520 76.2260 76.0940
U3-U4 52.0640 51.8870 99.1070 99.0220
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 60896.33362554
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871645
DEC 21.13388
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME MED
HIERARCH ESO INS DIL ID MED
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 10.0
HIERARCH ESO DET SEQ1 PERIOD 11.074
HIERARCH ESO DET NDIT 6
HIERARCH ESO ISS PBL12 START 49.641
HIERARCH ESO ISS PBL12 END 49.728
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 93.42
HIERARCH ESO ISS PBL13 END 93.569
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 129.994
HIERARCH ESO ISS PBL14 END 130.027
HIERARCH ESO ISS PBLA14 START 62.61
HIERARCH ESO ISS PBLA14 END 62.501
HIERARCH ESO ISS PBL23 START 44.193
HIERARCH ESO ISS PBL23 END 44.251
HIERARCH ESO ISS PBLA23 START 49.0
HIERARCH ESO ISS PBLA23 END 48.9
HIERARCH ESO ISS PBL24 START 87.252
HIERARCH ESO ISS PBL24 END 87.152
HIERARCH ESO ISS PBLA24 START 76.226
HIERARCH ESO ISS PBLA24 END 76.094
HIERARCH ESO ISS PBL34 START 52.064
HIERARCH ESO ISS PBL34 END 51.887
HIERARCH ESO ISS PBLA34 START 99.107
HIERARCH ESO ISS PBLA34 END 99.022
HIERARCH ESO ISS AMBI TAU0 START 0.007348
HIERARCH ESO ISS AMBI TAU0 END 0.008095
HIERARCH ESO ISS AMBI TEMP 12.55
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.43