Exposure
ID
MATIS.2025-08-07T05:27:16.474_1
Header ID
MATIS.2025-08-07T05:27:16.474
Date updated
2025-08-07 05:35:55 UTC+0000
Release date
2026-08-07 05:35:55 UTC+0000
UTC Start
2025-08-07 05:27:16.474
UTC End
2025-08-07 05:28:18.484
MJD Start
60894.227274
MJD End
60894.22799170833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0073755
Ambient temperature (°C)
13.07
Seeing (arcsec)
0.525
Observation
ID
69356
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
51550
Name
HD 218396
RA
346.871613
DEC
21.13383
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 36.5630 36.6440 26.3000 26.4000
U1-U3 67.0640 67.2560 36.0000 36.1000
U1-U4 102.4280 102.7490 72.1260 72.0910
U2-U3 31.6310 31.7370 47.2000 47.3000
U2-U4 81.3060 81.4620 90.9520 90.8560
U3-U4 62.4010 62.4120 111.4610 111.3630
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 60894.227274
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871613
DEC 21.13383
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 36.563
HIERARCH ESO ISS PBL12 END 36.644
HIERARCH ESO ISS PBLA12 START 26.3
HIERARCH ESO ISS PBLA12 END 26.4
HIERARCH ESO ISS PBL13 START 67.064
HIERARCH ESO ISS PBL13 END 67.256
HIERARCH ESO ISS PBLA13 START 36.0
HIERARCH ESO ISS PBLA13 END 36.1
HIERARCH ESO ISS PBL14 START 102.428
HIERARCH ESO ISS PBL14 END 102.749
HIERARCH ESO ISS PBLA14 START 72.126
HIERARCH ESO ISS PBLA14 END 72.091
HIERARCH ESO ISS PBL23 START 31.631
HIERARCH ESO ISS PBL23 END 31.737
HIERARCH ESO ISS PBLA23 START 47.2
HIERARCH ESO ISS PBLA23 END 47.3
HIERARCH ESO ISS PBL24 START 81.306
HIERARCH ESO ISS PBL24 END 81.462
HIERARCH ESO ISS PBLA24 START 90.952
HIERARCH ESO ISS PBLA24 END 90.856
HIERARCH ESO ISS PBL34 START 62.401
HIERARCH ESO ISS PBL34 END 62.412
HIERARCH ESO ISS PBLA34 START 111.461
HIERARCH ESO ISS PBLA34 END 111.363
HIERARCH ESO ISS AMBI TAU0 START 0.006995
HIERARCH ESO ISS AMBI TAU0 END 0.007756
HIERARCH ESO ISS AMBI TEMP 13.07
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.49