Exposure
ID
MATIS.2025-08-07T09:18:16.187_1
Header ID
MATIS.2025-08-07T09:18:16.187
Date updated
2025-08-07 09:26:02 UTC+0000
Release date
2026-08-07 09:26:02 UTC+0000
UTC Start
2025-08-07 09:18:16.187
UTC End
2025-08-07 09:19:18.197
MJD Start
60894.38768735
MJD End
60894.38840505833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.006338
Ambient temperature (°C)
13.59
Seeing (arcsec)
0.685
Observation
ID
69510
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
51628
Name
HD 218396
RA
346.871699
DEC
21.13408
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 53.6160 53.6620 37.4000 37.4000
U1-U3 99.7220 99.7870 41.0000 40.9000
U1-U4 127.9250 127.8400 55.6620 55.5420
U2-U3 46.3270 46.3430 45.1000 45.0000
U2-U4 78.7970 78.6310 67.9420 67.7990
U3-U4 40.3440 40.1430 94.4340 94.3620
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 60894.38768735
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871699
DEC 21.13408
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 53.616
HIERARCH ESO ISS PBL12 END 53.662
HIERARCH ESO ISS PBLA12 START 37.4
HIERARCH ESO ISS PBLA12 END 37.4
HIERARCH ESO ISS PBL13 START 99.722
HIERARCH ESO ISS PBL13 END 99.787
HIERARCH ESO ISS PBLA13 START 41.0
HIERARCH ESO ISS PBLA13 END 40.9
HIERARCH ESO ISS PBL14 START 127.925
HIERARCH ESO ISS PBL14 END 127.84
HIERARCH ESO ISS PBLA14 START 55.662
HIERARCH ESO ISS PBLA14 END 55.542
HIERARCH ESO ISS PBL23 START 46.327
HIERARCH ESO ISS PBL23 END 46.343
HIERARCH ESO ISS PBLA23 START 45.1
HIERARCH ESO ISS PBLA23 END 45.0
HIERARCH ESO ISS PBL24 START 78.797
HIERARCH ESO ISS PBL24 END 78.631
HIERARCH ESO ISS PBLA24 START 67.942
HIERARCH ESO ISS PBLA24 END 67.799
HIERARCH ESO ISS PBL34 START 40.344
HIERARCH ESO ISS PBL34 END 40.143
HIERARCH ESO ISS PBLA34 START 94.434
HIERARCH ESO ISS PBLA34 END 94.362
HIERARCH ESO ISS AMBI TAU0 START 0.006346
HIERARCH ESO ISS AMBI TAU0 END 0.00633
HIERARCH ESO ISS AMBI TEMP 13.59
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.68