Exposure
ID
MATIS.2025-08-09T07:21:01.104_1
Header ID
MATIS.2025-08-09T07:21:01.104
Date updated
2025-08-09 07:30:44 UTC+0000
Release date
2026-08-09 07:30:44 UTC+0000
UTC Start
2025-08-09 07:21:01.104
UTC End
2025-08-09 07:22:03.114
MJD Start
60896.30626278
MJD End
60896.306980488334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.00549
Ambient temperature (°C)
12.28
Seeing (arcsec)
0.685
Observation
ID
69610
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
51698
Name
HD 218396
RA
346.87162
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 46.7340 46.8170 37.3000 37.3000
U1-U3 88.2220 88.3760 43.4000 43.4000
U1-U4 127.5560 127.6580 65.6730 65.5980
U2-U3 42.0420 42.1080 50.1000 50.1000
U2-U4 89.2470 89.2220 80.0870 79.9880
U3-U4 56.8490 56.7390 101.7690 101.6960
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 60896.30626278
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.87162
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 46.734
HIERARCH ESO ISS PBL12 END 46.817
HIERARCH ESO ISS PBLA12 START 37.3
HIERARCH ESO ISS PBLA12 END 37.3
HIERARCH ESO ISS PBL13 START 88.222
HIERARCH ESO ISS PBL13 END 88.376
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 127.556
HIERARCH ESO ISS PBL14 END 127.658
HIERARCH ESO ISS PBLA14 START 65.673
HIERARCH ESO ISS PBLA14 END 65.598
HIERARCH ESO ISS PBL23 START 42.042
HIERARCH ESO ISS PBL23 END 42.108
HIERARCH ESO ISS PBLA23 START 50.1
HIERARCH ESO ISS PBLA23 END 50.1
HIERARCH ESO ISS PBL24 START 89.247
HIERARCH ESO ISS PBL24 END 89.222
HIERARCH ESO ISS PBLA24 START 80.087
HIERARCH ESO ISS PBLA24 END 79.988
HIERARCH ESO ISS PBL34 START 56.849
HIERARCH ESO ISS PBL34 END 56.739
HIERARCH ESO ISS PBLA34 START 101.769
HIERARCH ESO ISS PBLA34 END 101.696
HIERARCH ESO ISS AMBI TAU0 START 0.00531
HIERARCH ESO ISS AMBI TAU0 END 0.00567
HIERARCH ESO ISS AMBI TEMP 12.28
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.7