Exposure
ID
MATIS.2025-08-10T07:05:21.688_1
Header ID
MATIS.2025-08-10T07:05:21.688
Date updated
2025-08-10 07:15:44 UTC+0000
Release date
2026-08-10 07:15:44 UTC+0000
UTC Start
2025-08-10 07:05:21.688
UTC End
2025-08-10 07:06:23.698
MJD Start
60897.29538991
MJD End
60897.296107618335
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0048920000000000005
Ambient temperature (°C)
12.33
Seeing (arcsec)
0.49
Observation
ID
69744
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
51787
Name
HD 218396
RA
346.871457
DEC
21.13373
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 45.7990 45.8830 36.8000 36.9000
U1-U3 86.4740 86.6320 43.2000 43.2000
U1-U4 126.2960 126.4170 66.4880 66.4180
U2-U3 41.2740 41.3440 50.3000 50.3000
U2-U4 89.4160 89.4090 81.1720 81.0770
U3-U4 57.9940 57.8980 102.5890 102.5160
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 60897.29538991
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871457
DEC 21.13373
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 45.799
HIERARCH ESO ISS PBL12 END 45.883
HIERARCH ESO ISS PBLA12 START 36.8
HIERARCH ESO ISS PBLA12 END 36.9
HIERARCH ESO ISS PBL13 START 86.474
HIERARCH ESO ISS PBL13 END 86.632
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 126.296
HIERARCH ESO ISS PBL14 END 126.417
HIERARCH ESO ISS PBLA14 START 66.488
HIERARCH ESO ISS PBLA14 END 66.418
HIERARCH ESO ISS PBL23 START 41.274
HIERARCH ESO ISS PBL23 END 41.344
HIERARCH ESO ISS PBLA23 START 50.3
HIERARCH ESO ISS PBLA23 END 50.3
HIERARCH ESO ISS PBL24 START 89.416
HIERARCH ESO ISS PBL24 END 89.409
HIERARCH ESO ISS PBLA24 START 81.172
HIERARCH ESO ISS PBLA24 END 81.077
HIERARCH ESO ISS PBL34 START 57.994
HIERARCH ESO ISS PBL34 END 57.898
HIERARCH ESO ISS PBLA34 START 102.589
HIERARCH ESO ISS PBLA34 END 102.516
HIERARCH ESO ISS AMBI TAU0 START 0.004628
HIERARCH ESO ISS AMBI TAU0 END 0.005156
HIERARCH ESO ISS AMBI TEMP 12.33
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.45