Exposure
ID
MATIS.2025-08-10T08:14:02.738_1
Header ID
MATIS.2025-08-10T08:14:02.738
Date updated
2025-08-10 08:25:36 UTC+0000
Release date
2026-08-10 08:25:36 UTC+0000
UTC Start
2025-08-10 08:14:02.738
UTC End
2025-08-10 08:15:04.748
MJD Start
60897.34308724
MJD End
60897.34380494833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0043245
Ambient temperature (°C)
11.64
Seeing (arcsec)
0.405
Observation
ID
69802
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
51818
Name
HD 218396
RA
346.871496
DEC
21.13374
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 50.7920 50.8560 38.2000 38.2000
U1-U3 95.3600 95.4670 42.9000 42.9000
U1-U4 130.2080 130.2040 61.0690 60.9740
U2-U3 44.9290 44.9680 48.2000 48.2000
U2-U4 85.6880 85.5830 74.3630 74.2500
U3-U4 49.4950 49.3350 97.9500 97.8820
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 60897.34308724
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871496
DEC 21.13374
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 50.792
HIERARCH ESO ISS PBL12 END 50.856
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 95.36
HIERARCH ESO ISS PBL13 END 95.467
HIERARCH ESO ISS PBLA13 START 42.9
HIERARCH ESO ISS PBLA13 END 42.9
HIERARCH ESO ISS PBL14 START 130.208
HIERARCH ESO ISS PBL14 END 130.204
HIERARCH ESO ISS PBLA14 START 61.069
HIERARCH ESO ISS PBLA14 END 60.974
HIERARCH ESO ISS PBL23 START 44.929
HIERARCH ESO ISS PBL23 END 44.968
HIERARCH ESO ISS PBLA23 START 48.2
HIERARCH ESO ISS PBLA23 END 48.2
HIERARCH ESO ISS PBL24 START 85.688
HIERARCH ESO ISS PBL24 END 85.583
HIERARCH ESO ISS PBLA24 START 74.363
HIERARCH ESO ISS PBLA24 END 74.25
HIERARCH ESO ISS PBL34 START 49.495
HIERARCH ESO ISS PBL34 END 49.335
HIERARCH ESO ISS PBLA34 START 97.95
HIERARCH ESO ISS PBLA34 END 97.882
HIERARCH ESO ISS AMBI TAU0 START 0.004387
HIERARCH ESO ISS AMBI TAU0 END 0.004262
HIERARCH ESO ISS AMBI TEMP 11.64
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.41