Exposure
ID
MATIS.2025-08-07T09:13:04.328_1
Header ID
MATIS.2025-08-07T09:13:04.328
Date updated
2025-08-07 09:21:15 UTC+0000
Release date
2026-08-07 09:21:15 UTC+0000
UTC Start
2025-08-07 09:13:04.328
UTC End
2025-08-07 09:14:06.338
MJD Start
60894.38407787
MJD End
60894.384795578335
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005244
Ambient temperature (°C)
13.48
Seeing (arcsec)
0.66
Observation
ID
69504
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
51624
Name
HD 218396
RA
346.871702
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 53.3790 53.4270 37.6000 37.6000
U1-U3 99.3870 99.4550 41.2000 41.2000
U1-U4 128.3320 128.2540 56.2570 56.1400
U2-U3 46.2400 46.2580 45.4000 45.4000
U2-U4 79.6140 79.4540 68.6500 68.5110
U3-U4 41.3420 41.1450 94.7930 94.7220
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 60894.38407787
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871702
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 53.379
HIERARCH ESO ISS PBL12 END 53.427
HIERARCH ESO ISS PBLA12 START 37.6
HIERARCH ESO ISS PBLA12 END 37.6
HIERARCH ESO ISS PBL13 START 99.387
HIERARCH ESO ISS PBL13 END 99.455
HIERARCH ESO ISS PBLA13 START 41.2
HIERARCH ESO ISS PBLA13 END 41.2
HIERARCH ESO ISS PBL14 START 128.332
HIERARCH ESO ISS PBL14 END 128.254
HIERARCH ESO ISS PBLA14 START 56.257
HIERARCH ESO ISS PBLA14 END 56.14
HIERARCH ESO ISS PBL23 START 46.24
HIERARCH ESO ISS PBL23 END 46.258
HIERARCH ESO ISS PBLA23 START 45.4
HIERARCH ESO ISS PBLA23 END 45.4
HIERARCH ESO ISS PBL24 START 79.614
HIERARCH ESO ISS PBL24 END 79.454
HIERARCH ESO ISS PBLA24 START 68.65
HIERARCH ESO ISS PBLA24 END 68.511
HIERARCH ESO ISS PBL34 START 41.342
HIERARCH ESO ISS PBL34 END 41.145
HIERARCH ESO ISS PBLA34 START 94.793
HIERARCH ESO ISS PBLA34 END 94.722
HIERARCH ESO ISS AMBI TAU0 START 0.005244
HIERARCH ESO ISS AMBI TAU0 END 0.005244
HIERARCH ESO ISS AMBI TEMP 13.48
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.66