Exposure
ID
MATIS.2025-08-10T06:45:23.209_1
Header ID
MATIS.2025-08-10T06:45:23.209
Date updated
2025-08-10 06:55:44 UTC+0000
Release date
2026-08-10 06:55:44 UTC+0000
UTC Start
2025-08-10 06:45:23.209
UTC End
2025-08-10 06:46:25.219
MJD Start
60897.28151862
MJD End
60897.282236328334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005771
Ambient temperature (°C)
12.27
Seeing (arcsec)
0.435
Observation
ID
69724
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
51776
Name
HD 218396
RA
346.871437
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 44.1440 44.2340 35.8000 35.8000
U1-U3 83.2900 83.4650 42.7000 42.8000
U1-U4 123.5620 123.7260 67.7770 67.7110
U2-U3 39.8290 39.9100 50.4000 50.4000
U2-U4 89.2460 89.2700 82.9750 82.8800
U3-U4 59.6520 59.5730 104.0260 103.9480
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 60897.28151862
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871437
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 44.144
HIERARCH ESO ISS PBL12 END 44.234
HIERARCH ESO ISS PBLA12 START 35.8
HIERARCH ESO ISS PBLA12 END 35.8
HIERARCH ESO ISS PBL13 START 83.29
HIERARCH ESO ISS PBL13 END 83.465
HIERARCH ESO ISS PBLA13 START 42.7
HIERARCH ESO ISS PBLA13 END 42.8
HIERARCH ESO ISS PBL14 START 123.562
HIERARCH ESO ISS PBL14 END 123.726
HIERARCH ESO ISS PBLA14 START 67.777
HIERARCH ESO ISS PBLA14 END 67.711
HIERARCH ESO ISS PBL23 START 39.829
HIERARCH ESO ISS PBL23 END 39.91
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.246
HIERARCH ESO ISS PBL24 END 89.27
HIERARCH ESO ISS PBLA24 START 82.975
HIERARCH ESO ISS PBLA24 END 82.88
HIERARCH ESO ISS PBL34 START 59.652
HIERARCH ESO ISS PBL34 END 59.573
HIERARCH ESO ISS PBLA34 START 104.026
HIERARCH ESO ISS PBLA34 END 103.948
HIERARCH ESO ISS AMBI TAU0 START 0.005771
HIERARCH ESO ISS AMBI TAU0 END 0.005771
HIERARCH ESO ISS AMBI TEMP 12.27
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.45