Exposure
ID
MATIS.2025-08-07T09:25:58.528_1
Header ID
MATIS.2025-08-07T09:25:58.528
Date updated
2025-08-07 09:31:09 UTC+0000
Release date
2026-08-07 09:31:09 UTC+0000
UTC Start
2025-08-07 09:25:58.528
UTC End
2025-08-07 09:27:00.538
MJD Start
60894.39303852
MJD End
60894.39375622833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005823
Ambient temperature (°C)
13.59
Seeing (arcsec)
0.7
Observation
ID
69520
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
51633
Name
HD 218396
RA
346.871701
DEC
21.13409
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 53.9490 53.9920 37.2000 37.2000
U1-U3 100.1810 100.2400 40.6000 40.5000
U1-U4 127.2570 127.1620 54.7540 54.6300
U2-U3 46.4350 46.4480 44.5000 44.4000
U2-U4 77.5380 77.3660 66.8590 66.7100
U3-U4 38.8320 38.6260 93.8940 93.8200
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 60894.39303852
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871701
DEC 21.13409
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 53.949
HIERARCH ESO ISS PBL12 END 53.992
HIERARCH ESO ISS PBLA12 START 37.2
HIERARCH ESO ISS PBLA12 END 37.2
HIERARCH ESO ISS PBL13 START 100.181
HIERARCH ESO ISS PBL13 END 100.24
HIERARCH ESO ISS PBLA13 START 40.6
HIERARCH ESO ISS PBLA13 END 40.5
HIERARCH ESO ISS PBL14 START 127.257
HIERARCH ESO ISS PBL14 END 127.162
HIERARCH ESO ISS PBLA14 START 54.754
HIERARCH ESO ISS PBLA14 END 54.63
HIERARCH ESO ISS PBL23 START 46.435
HIERARCH ESO ISS PBL23 END 46.448
HIERARCH ESO ISS PBLA23 START 44.5
HIERARCH ESO ISS PBLA23 END 44.4
HIERARCH ESO ISS PBL24 START 77.538
HIERARCH ESO ISS PBL24 END 77.366
HIERARCH ESO ISS PBLA24 START 66.859
HIERARCH ESO ISS PBLA24 END 66.71
HIERARCH ESO ISS PBL34 START 38.832
HIERARCH ESO ISS PBL34 END 38.626
HIERARCH ESO ISS PBLA34 START 93.894
HIERARCH ESO ISS PBLA34 END 93.82
HIERARCH ESO ISS AMBI TAU0 START 0.005817
HIERARCH ESO ISS AMBI TAU0 END 0.005829
HIERARCH ESO ISS AMBI TEMP 13.59
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.71