Exposure
ID
MATIS.2025-08-09T07:58:55.956_1
Header ID
MATIS.2025-08-09T07:58:55.956
Date updated
2025-08-09 08:05:45 UTC+0000
Release date
2026-08-09 08:05:45 UTC+0000
UTC Start
2025-08-09 07:58:55.956
UTC End
2025-08-09 07:59:57.966
MJD Start
60896.33259208
MJD End
60896.33330978833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.007348
Ambient temperature (°C)
12.55
Seeing (arcsec)
0.41000000000000003
Observation
ID
69638
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
51712
Name
HD 218396
RA
346.871644
DEC
21.13388
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 49.5390 49.6100 38.2000 38.2000
U1-U3 93.2430 93.3660 43.3000 43.3000
U1-U4 129.9510 129.9810 62.7360 62.6480
U2-U3 44.1230 44.1720 49.0000 49.0000
U2-U4 87.3670 87.2870 76.3810 76.2740
U3-U4 52.2720 52.1280 99.2060 99.1370
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 60896.33259208
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871644
DEC 21.13388
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 49.539
HIERARCH ESO ISS PBL12 END 49.61
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 93.243
HIERARCH ESO ISS PBL13 END 93.366
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 129.951
HIERARCH ESO ISS PBL14 END 129.981
HIERARCH ESO ISS PBLA14 START 62.736
HIERARCH ESO ISS PBLA14 END 62.648
HIERARCH ESO ISS PBL23 START 44.123
HIERARCH ESO ISS PBL23 END 44.172
HIERARCH ESO ISS PBLA23 START 49.0
HIERARCH ESO ISS PBLA23 END 49.0
HIERARCH ESO ISS PBL24 START 87.367
HIERARCH ESO ISS PBL24 END 87.287
HIERARCH ESO ISS PBLA24 START 76.381
HIERARCH ESO ISS PBLA24 END 76.274
HIERARCH ESO ISS PBL34 START 52.272
HIERARCH ESO ISS PBL34 END 52.128
HIERARCH ESO ISS PBLA34 START 99.206
HIERARCH ESO ISS PBLA34 END 99.137
HIERARCH ESO ISS AMBI TAU0 START 0.007348
HIERARCH ESO ISS AMBI TAU0 END 0.007348
HIERARCH ESO ISS AMBI TEMP 12.55
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.4