Exposure
ID
MATIS.2025-08-06T08:09:23.726_1
Header ID
MATIS.2025-08-06T08:09:23.726
Date updated
2025-08-06 08:15:50 UTC+0000
Release date
2026-08-06 08:15:50 UTC+0000
UTC Start
2025-08-06 08:09:23.726
UTC End
2025-08-06 08:10:25.736
MJD Start
60893.33985794
MJD End
60893.34057564833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0088225
Ambient temperature (°C)
14.38
Seeing (arcsec)
0.505
Observation
ID
69282
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
51497
Name
HD 218396
RA
346.871639
DEC
21.13407
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 49.4480 49.5190 38.1000 38.2000
U1-U3 93.0860 93.2090 43.3000 43.3000
U1-U4 129.9110 129.9430 62.8490 62.7630
U2-U3 44.0620 44.1100 49.1000 49.0000
U2-U4 87.4650 87.3880 76.5180 76.4120
U3-U4 52.4520 52.3100 99.2960 99.2270
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 60893.33985794
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871639
DEC 21.13407
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 49.448
HIERARCH ESO ISS PBL12 END 49.519
HIERARCH ESO ISS PBLA12 START 38.1
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 93.086
HIERARCH ESO ISS PBL13 END 93.209
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 129.911
HIERARCH ESO ISS PBL14 END 129.943
HIERARCH ESO ISS PBLA14 START 62.849
HIERARCH ESO ISS PBLA14 END 62.763
HIERARCH ESO ISS PBL23 START 44.062
HIERARCH ESO ISS PBL23 END 44.11
HIERARCH ESO ISS PBLA23 START 49.1
HIERARCH ESO ISS PBLA23 END 49.0
HIERARCH ESO ISS PBL24 START 87.465
HIERARCH ESO ISS PBL24 END 87.388
HIERARCH ESO ISS PBLA24 START 76.518
HIERARCH ESO ISS PBLA24 END 76.412
HIERARCH ESO ISS PBL34 START 52.452
HIERARCH ESO ISS PBL34 END 52.31
HIERARCH ESO ISS PBLA34 START 99.296
HIERARCH ESO ISS PBLA34 END 99.227
HIERARCH ESO ISS AMBI TAU0 START 0.009351
HIERARCH ESO ISS AMBI TAU0 END 0.008294
HIERARCH ESO ISS AMBI TEMP 14.38
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.49