Exposure
ID
MATIS.2025-08-07T06:04:52.626_1
Header ID
MATIS.2025-08-07T06:04:52.626
Date updated
2025-08-07 06:10:53 UTC+0000
Release date
2026-08-07 06:10:53 UTC+0000
UTC Start
2025-08-07 06:04:52.626
UTC End
2025-08-07 06:05:54.636
MJD Start
60894.25338687
MJD End
60894.25410457833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.006423
Ambient temperature (°C)
13.18
Seeing (arcsec)
0.63
Observation
ID
69395
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
51570
Name
HD 218396
RA
346.871635
DEC
21.1338
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 39.6580 39.7460 31.3000 31.4000
U1-U3 74.0690 74.2600 39.9000 39.9000
U1-U4 112.9860 113.2420 70.5980 70.5490
U2-U3 35.3470 35.4440 49.5000 49.5000
U2-U4 86.0370 86.1390 87.5700 87.4790
U3-U4 62.1790 62.1550 108.1100 108.0230
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 60894.25338687
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871635
DEC 21.1338
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 39.658
HIERARCH ESO ISS PBL12 END 39.746
HIERARCH ESO ISS PBLA12 START 31.3
HIERARCH ESO ISS PBLA12 END 31.4
HIERARCH ESO ISS PBL13 START 74.069
HIERARCH ESO ISS PBL13 END 74.26
HIERARCH ESO ISS PBLA13 START 39.9
HIERARCH ESO ISS PBLA13 END 39.9
HIERARCH ESO ISS PBL14 START 112.986
HIERARCH ESO ISS PBL14 END 113.242
HIERARCH ESO ISS PBLA14 START 70.598
HIERARCH ESO ISS PBLA14 END 70.549
HIERARCH ESO ISS PBL23 START 35.347
HIERARCH ESO ISS PBL23 END 35.444
HIERARCH ESO ISS PBLA23 START 49.5
HIERARCH ESO ISS PBLA23 END 49.5
HIERARCH ESO ISS PBL24 START 86.037
HIERARCH ESO ISS PBL24 END 86.139
HIERARCH ESO ISS PBLA24 START 87.57
HIERARCH ESO ISS PBLA24 END 87.479
HIERARCH ESO ISS PBL34 START 62.179
HIERARCH ESO ISS PBL34 END 62.155
HIERARCH ESO ISS PBLA34 START 108.11
HIERARCH ESO ISS PBLA34 END 108.023
HIERARCH ESO ISS AMBI TAU0 START 0.006423
HIERARCH ESO ISS AMBI TAU0 END 0.006423
HIERARCH ESO ISS AMBI TEMP 13.18
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.59