Exposure
ID
MATIS.2025-08-07T05:33:50.786_1
Header ID
MATIS.2025-08-07T05:33:50.786
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 05:33:50.786
UTC End
2025-08-07 05:34:52.796
MJD Start
60894.2318378
MJD End
60894.23255550833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.007213499999999999
Ambient temperature (°C)
12.96
Seeing (arcsec)
0.5349999999999999
Observation
ID
69362
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
51553
Name
HD 218396
RA
346.871616
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 37.0810 37.1630 27.3000 27.4000
U1-U3 68.2850 68.4780 36.8000 36.9000
U1-U4 104.4410 104.7520 71.8920 71.8540
U2-U3 32.3010 32.4060 47.7000 47.8000
U2-U4 82.2730 82.4200 90.3470 90.2530
U3-U4 62.4560 62.4610 110.8440 110.7490
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 60894.2318378
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871616
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 37.081
HIERARCH ESO ISS PBL12 END 37.163
HIERARCH ESO ISS PBLA12 START 27.3
HIERARCH ESO ISS PBLA12 END 27.4
HIERARCH ESO ISS PBL13 START 68.285
HIERARCH ESO ISS PBL13 END 68.478
HIERARCH ESO ISS PBLA13 START 36.8
HIERARCH ESO ISS PBLA13 END 36.9
HIERARCH ESO ISS PBL14 START 104.441
HIERARCH ESO ISS PBL14 END 104.752
HIERARCH ESO ISS PBLA14 START 71.892
HIERARCH ESO ISS PBLA14 END 71.854
HIERARCH ESO ISS PBL23 START 32.301
HIERARCH ESO ISS PBL23 END 32.406
HIERARCH ESO ISS PBLA23 START 47.7
HIERARCH ESO ISS PBLA23 END 47.8
HIERARCH ESO ISS PBL24 START 82.273
HIERARCH ESO ISS PBL24 END 82.42
HIERARCH ESO ISS PBLA24 START 90.347
HIERARCH ESO ISS PBLA24 END 90.253
HIERARCH ESO ISS PBL34 START 62.456
HIERARCH ESO ISS PBL34 END 62.461
HIERARCH ESO ISS PBLA34 START 110.844
HIERARCH ESO ISS PBLA34 END 110.749
HIERARCH ESO ISS AMBI TAU0 START 0.00765
HIERARCH ESO ISS AMBI TAU0 END 0.006777
HIERARCH ESO ISS AMBI TEMP 12.96
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.57