Exposure
ID
MATIS.2025-08-06T07:59:24.221_1
Header ID
MATIS.2025-08-06T07:59:24.221
Date updated
2025-08-06 08:05:52 UTC+0000
Release date
2026-08-06 08:05:52 UTC+0000
UTC Start
2025-08-06 07:59:24.221
UTC End
2025-08-06 08:00:26.231
MJD Start
60893.33291922
MJD End
60893.333636928335
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.008587
Ambient temperature (°C)
14.12
Seeing (arcsec)
0.51
Observation
ID
69273
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
51491
Name
HD 218396
RA
346.871632
DEC
21.13407
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 48.7420 48.8170 38.0000 38.0000
U1-U3 91.8540 91.9850 43.4000 43.4000
U1-U4 129.5040 129.5540 63.6670 63.5840
U2-U3 43.5690 43.6220 49.4000 49.4000
U2-U4 88.1360 88.0730 77.5280 77.4250
U3-U4 53.7730 53.6400 99.9630 99.8940
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 60893.33291922
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871632
DEC 21.13407
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 48.742
HIERARCH ESO ISS PBL12 END 48.817
HIERARCH ESO ISS PBLA12 START 38.0
HIERARCH ESO ISS PBLA12 END 38.0
HIERARCH ESO ISS PBL13 START 91.854
HIERARCH ESO ISS PBL13 END 91.985
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 129.504
HIERARCH ESO ISS PBL14 END 129.554
HIERARCH ESO ISS PBLA14 START 63.667
HIERARCH ESO ISS PBLA14 END 63.584
HIERARCH ESO ISS PBL23 START 43.569
HIERARCH ESO ISS PBL23 END 43.622
HIERARCH ESO ISS PBLA23 START 49.4
HIERARCH ESO ISS PBLA23 END 49.4
HIERARCH ESO ISS PBL24 START 88.136
HIERARCH ESO ISS PBL24 END 88.073
HIERARCH ESO ISS PBLA24 START 77.528
HIERARCH ESO ISS PBLA24 END 77.425
HIERARCH ESO ISS PBL34 START 53.773
HIERARCH ESO ISS PBL34 END 53.64
HIERARCH ESO ISS PBLA34 START 99.963
HIERARCH ESO ISS PBLA34 END 99.894
HIERARCH ESO ISS AMBI TAU0 START 0.008587
HIERARCH ESO ISS AMBI TAU0 END 0.008587
HIERARCH ESO ISS AMBI TEMP 14.12
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.51