Exposure
ID
MATIS.2025-08-06T06:04:22.245_1
Header ID
MATIS.2025-08-06T06:04:22.245
Date updated
2025-08-06 06:15:51 UTC+0000
Release date
2026-08-06 06:15:51 UTC+0000
UTC Start
2025-08-06 06:04:22.245
UTC End
2025-08-06 06:05:24.255
MJD Start
60893.25303524
MJD End
60893.25375294833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.009134
Ambient temperature (°C)
15.21
Seeing (arcsec)
0.52
Observation
ID
69171
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
51439
Name
HD 218396
RA
346.871552
DEC
21.1341
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 39.2790 39.3670 30.8000 30.9000
U1-U3 73.2460 73.4380 39.5000 39.6000
U1-U4 111.8630 112.1270 70.8010 70.7540
U2-U3 34.9250 35.0240 49.3000 49.3000
U2-U4 85.5820 85.6900 87.9620 87.8710
U3-U4 62.2740 62.2530 108.4850 108.3970
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 60893.25303524
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871552
DEC 21.1341
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 39.279
HIERARCH ESO ISS PBL12 END 39.367
HIERARCH ESO ISS PBLA12 START 30.8
HIERARCH ESO ISS PBLA12 END 30.9
HIERARCH ESO ISS PBL13 START 73.246
HIERARCH ESO ISS PBL13 END 73.438
HIERARCH ESO ISS PBLA13 START 39.5
HIERARCH ESO ISS PBLA13 END 39.6
HIERARCH ESO ISS PBL14 START 111.863
HIERARCH ESO ISS PBL14 END 112.127
HIERARCH ESO ISS PBLA14 START 70.801
HIERARCH ESO ISS PBLA14 END 70.754
HIERARCH ESO ISS PBL23 START 34.925
HIERARCH ESO ISS PBL23 END 35.024
HIERARCH ESO ISS PBLA23 START 49.3
HIERARCH ESO ISS PBLA23 END 49.3
HIERARCH ESO ISS PBL24 START 85.582
HIERARCH ESO ISS PBL24 END 85.69
HIERARCH ESO ISS PBLA24 START 87.962
HIERARCH ESO ISS PBLA24 END 87.871
HIERARCH ESO ISS PBL34 START 62.274
HIERARCH ESO ISS PBL34 END 62.253
HIERARCH ESO ISS PBLA34 START 108.485
HIERARCH ESO ISS PBLA34 END 108.397
HIERARCH ESO ISS AMBI TAU0 START 0.009134
HIERARCH ESO ISS AMBI TAU0 END 0.009134
HIERARCH ESO ISS AMBI TEMP 15.21
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.52