Exposure
ID
MATIS.2025-07-10T09:14:43.478_1
Header ID
MATIS.2025-07-10T09:14:43.478
Date updated
2025-07-10 09:25:44 UTC+0000
Release date
2026-07-10 09:25:44 UTC+0000
UTC Start
2025-07-10 09:14:43.478
UTC End
2025-07-10 09:15:45.488
MJD Start
60866.38522544
MJD End
60866.38594314833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005776
Ambient temperature (°C)
12.83
Seeing (arcsec)
0.63
Observation
ID
68556
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
50990
Name
HD 218396
RA
346.870954
DEC
21.13427
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 46.4020 46.4840 37.1000 37.2000
U1-U3 87.6050 87.7580 43.3000 43.3000
U1-U4 127.1320 127.2390 65.9740 65.9020
U2-U3 41.7730 41.8390 50.2000 50.2000
U2-U4 89.3300 89.3120 80.4830 80.3880
U3-U4 57.2760 57.1720 102.0660 101.9940
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 60866.38522544
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.870954
DEC 21.13427
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 46.402
HIERARCH ESO ISS PBL12 END 46.484
HIERARCH ESO ISS PBLA12 START 37.1
HIERARCH ESO ISS PBLA12 END 37.2
HIERARCH ESO ISS PBL13 START 87.605
HIERARCH ESO ISS PBL13 END 87.758
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 127.132
HIERARCH ESO ISS PBL14 END 127.239
HIERARCH ESO ISS PBLA14 START 65.974
HIERARCH ESO ISS PBLA14 END 65.902
HIERARCH ESO ISS PBL23 START 41.773
HIERARCH ESO ISS PBL23 END 41.839
HIERARCH ESO ISS PBLA23 START 50.2
HIERARCH ESO ISS PBLA23 END 50.2
HIERARCH ESO ISS PBL24 START 89.33
HIERARCH ESO ISS PBL24 END 89.312
HIERARCH ESO ISS PBLA24 START 80.483
HIERARCH ESO ISS PBLA24 END 80.388
HIERARCH ESO ISS PBL34 START 57.276
HIERARCH ESO ISS PBL34 END 57.172
HIERARCH ESO ISS PBLA34 START 102.066
HIERARCH ESO ISS PBLA34 END 101.994
HIERARCH ESO ISS AMBI TAU0 START 0.005442
HIERARCH ESO ISS AMBI TAU0 END 0.00611
HIERARCH ESO ISS AMBI TEMP 12.83
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.67