Exposure
ID
MATIS.2025-08-10T07:10:19.798_1
Header ID
MATIS.2025-08-10T07:10:19.798
Date updated
2025-08-10 07:20:44 UTC+0000
Release date
2026-08-10 07:20:44 UTC+0000
UTC Start
2025-08-10 07:10:19.798
UTC End
2025-08-10 07:11:21.808
MJD Start
60897.29884026
MJD End
60897.299557968334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0050095
Ambient temperature (°C)
12.25
Seeing (arcsec)
0.395
Observation
ID
69750
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
51790
Name
HD 218396
RA
346.871459
DEC
21.13373
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 46.2000 46.2820 37.0000 37.1000
U1-U3 87.2270 87.3820 43.3000 43.3000
U1-U4 126.8610 126.9730 66.1490 66.0770
U2-U3 41.6070 41.6750 50.2000 50.2000
U2-U4 89.3680 89.3540 80.7160 80.6200
U3-U4 57.5240 57.4230 102.2400 102.1680
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 60897.29884026
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871459
DEC 21.13373
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 46.2
HIERARCH ESO ISS PBL12 END 46.282
HIERARCH ESO ISS PBLA12 START 37.0
HIERARCH ESO ISS PBLA12 END 37.1
HIERARCH ESO ISS PBL13 START 87.227
HIERARCH ESO ISS PBL13 END 87.382
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 126.861
HIERARCH ESO ISS PBL14 END 126.973
HIERARCH ESO ISS PBLA14 START 66.149
HIERARCH ESO ISS PBLA14 END 66.077
HIERARCH ESO ISS PBL23 START 41.607
HIERARCH ESO ISS PBL23 END 41.675
HIERARCH ESO ISS PBLA23 START 50.2
HIERARCH ESO ISS PBLA23 END 50.2
HIERARCH ESO ISS PBL24 START 89.368
HIERARCH ESO ISS PBL24 END 89.354
HIERARCH ESO ISS PBLA24 START 80.716
HIERARCH ESO ISS PBLA24 END 80.62
HIERARCH ESO ISS PBL34 START 57.524
HIERARCH ESO ISS PBL34 END 57.423
HIERARCH ESO ISS PBLA34 START 102.24
HIERARCH ESO ISS PBLA34 END 102.168
HIERARCH ESO ISS AMBI TAU0 START 0.005414
HIERARCH ESO ISS AMBI TAU0 END 0.004605
HIERARCH ESO ISS AMBI TEMP 12.25
HIERARCH ESO ISS AMBI FWHM START 0.38
HIERARCH ESO ISS AMBI FWHM END 0.41