Exposure
ID
MATIS.2025-08-07T05:30:37.749_1
Header ID
MATIS.2025-08-07T05:30:37.749
Date updated
2025-08-07 05:41:10 UTC+0000
Release date
2026-08-07 05:41:10 UTC+0000
UTC Start
2025-08-07 05:30:37.749
UTC End
2025-08-07 05:31:39.759
MJD Start
60894.22960358
MJD End
60894.230321288334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.00818
Ambient temperature (°C)
13.0
Seeing (arcsec)
0.48
Observation
ID
69360
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
51552
Name
HD 218396
RA
346.871614
DEC
21.13382
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 36.8240 36.9080 26.8000 27.0000
U1-U3 67.6830 67.8820 36.4000 36.5000
U1-U4 103.4580 103.7850 72.0080 71.9710
U2-U3 31.9760 32.0810 47.5000 47.6000
U2-U4 81.8090 81.9610 90.6410 90.5460
U3-U4 62.4340 62.4420 111.1430 111.0460
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 60894.22960358
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871614
DEC 21.13382
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 36.824
HIERARCH ESO ISS PBL12 END 36.908
HIERARCH ESO ISS PBLA12 START 26.8
HIERARCH ESO ISS PBLA12 END 27.0
HIERARCH ESO ISS PBL13 START 67.683
HIERARCH ESO ISS PBL13 END 67.882
HIERARCH ESO ISS PBLA13 START 36.4
HIERARCH ESO ISS PBLA13 END 36.5
HIERARCH ESO ISS PBL14 START 103.458
HIERARCH ESO ISS PBL14 END 103.785
HIERARCH ESO ISS PBLA14 START 72.008
HIERARCH ESO ISS PBLA14 END 71.971
HIERARCH ESO ISS PBL23 START 31.976
HIERARCH ESO ISS PBL23 END 32.081
HIERARCH ESO ISS PBLA23 START 47.5
HIERARCH ESO ISS PBLA23 END 47.6
HIERARCH ESO ISS PBL24 START 81.809
HIERARCH ESO ISS PBL24 END 81.961
HIERARCH ESO ISS PBLA24 START 90.641
HIERARCH ESO ISS PBLA24 END 90.546
HIERARCH ESO ISS PBL34 START 62.434
HIERARCH ESO ISS PBL34 END 62.442
HIERARCH ESO ISS PBLA34 START 111.143
HIERARCH ESO ISS PBLA34 END 111.046
HIERARCH ESO ISS AMBI TAU0 START 0.00871
HIERARCH ESO ISS AMBI TAU0 END 0.00765
HIERARCH ESO ISS AMBI TEMP 13.0
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.48