Exposure
ID
MATIS.2025-08-07T07:03:49.524_1
Header ID
MATIS.2025-08-07T07:03:49.524
Date updated
2025-08-07 07:10:34 UTC+0000
Release date
2026-08-07 07:10:34 UTC+0000
UTC Start
2025-08-07 07:03:49.524
UTC End
2025-08-07 07:04:51.534
MJD Start
60894.2943232
MJD End
60894.295040908335
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.008613
Ambient temperature (°C)
13.34
Seeing (arcsec)
0.57
Observation
ID
69440
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
51593
Name
HD 218396
RA
346.871653
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 44.7010 44.7900 36.2000 36.2000
U1-U3 84.3740 84.5450 42.9000 42.9000
U1-U4 124.5520 124.7030 67.3610 67.2930
U2-U3 40.3270 40.4060 50.4000 50.4000
U2-U4 89.3680 89.3810 82.3800 82.2840
U3-U4 59.1430 59.0580 103.5410 103.4640
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 60894.2943232
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871653
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 44.701
HIERARCH ESO ISS PBL12 END 44.79
HIERARCH ESO ISS PBLA12 START 36.2
HIERARCH ESO ISS PBLA12 END 36.2
HIERARCH ESO ISS PBL13 START 84.374
HIERARCH ESO ISS PBL13 END 84.545
HIERARCH ESO ISS PBLA13 START 42.9
HIERARCH ESO ISS PBLA13 END 42.9
HIERARCH ESO ISS PBL14 START 124.552
HIERARCH ESO ISS PBL14 END 124.703
HIERARCH ESO ISS PBLA14 START 67.361
HIERARCH ESO ISS PBLA14 END 67.293
HIERARCH ESO ISS PBL23 START 40.327
HIERARCH ESO ISS PBL23 END 40.406
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.368
HIERARCH ESO ISS PBL24 END 89.381
HIERARCH ESO ISS PBLA24 START 82.38
HIERARCH ESO ISS PBLA24 END 82.284
HIERARCH ESO ISS PBL34 START 59.143
HIERARCH ESO ISS PBL34 END 59.058
HIERARCH ESO ISS PBLA34 START 103.541
HIERARCH ESO ISS PBLA34 END 103.464
HIERARCH ESO ISS AMBI TAU0 START 0.008613
HIERARCH ESO ISS AMBI TAU0 END 0.008613
HIERARCH ESO ISS AMBI TEMP 13.34
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57