Exposure
ID
MATIS.2025-07-25T01:40:32.104_1
Header ID
MATIS.2025-07-25T01:40:32.104
Date updated
2025-07-25 01:51:02 UTC+0000
Release date
2025-07-25 01:40:32 UTC+0000
UTC Start
2025-07-25 01:40:32.104
UTC End
2025-07-25 01:41:33.766
MJD Start
60881.06981602
MJD End
60881.070529700555
Exposure time (s)
61.7
Validation level
1
Tau 0: Coherence time (s)
0.003013
Ambient temperature (°C)
11.88
Seeing (arcsec)
0.745
Observation
ID
68957
Category
calibrator
Program ID
60.A-9130(A)
Program Title
DAILY CALIBRATION
Program Type
Normal
PI / COI
TEAM
Target
ID
51240
Name
HD 138816
RA
234.048498
DEC
-44.39715
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.1230 25.1280 154.5000 154.6000
A0-D0 29.5400 29.5000 87.7000 87.9000
A0-C1 22.5240 22.5190 130.8240 131.0230
B2-D0 30.2960 30.2650 38.1000 38.2000
B2-C1 10.0920 10.0820 38.0590 38.1720
D0-C1 20.2040 20.1830 218.1300 218.2430
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 60.A-9130(A)
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 60881.06981602
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 138816
RA 234.048498
DEC -44.39715
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL ID LOW
HIERARCH ESO INS MODE HYBRID
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.6
HIERARCH ESO DET SEQ1 PERIOD 0.717
HIERARCH ESO DET NDIT 86
HIERARCH ESO ISS PBL12 START 25.123
HIERARCH ESO ISS PBL12 END 25.128
HIERARCH ESO ISS PBLA12 START 154.5
HIERARCH ESO ISS PBLA12 END 154.6
HIERARCH ESO ISS PBL13 START 29.54
HIERARCH ESO ISS PBL13 END 29.5
HIERARCH ESO ISS PBLA13 START 87.7
HIERARCH ESO ISS PBLA13 END 87.9
HIERARCH ESO ISS PBL14 START 22.524
HIERARCH ESO ISS PBL14 END 22.519
HIERARCH ESO ISS PBLA14 START 130.824
HIERARCH ESO ISS PBLA14 END 131.023
HIERARCH ESO ISS PBL23 START 30.296
HIERARCH ESO ISS PBL23 END 30.265
HIERARCH ESO ISS PBLA23 START 38.1
HIERARCH ESO ISS PBLA23 END 38.2
HIERARCH ESO ISS PBL24 START 10.092
HIERARCH ESO ISS PBL24 END 10.082
HIERARCH ESO ISS PBLA24 START 38.059
HIERARCH ESO ISS PBLA24 END 38.172
HIERARCH ESO ISS PBL34 START 20.204
HIERARCH ESO ISS PBL34 END 20.183
HIERARCH ESO ISS PBLA34 START 218.13
HIERARCH ESO ISS PBLA34 END 218.243
HIERARCH ESO ISS AMBI TAU0 START 0.003013
HIERARCH ESO ISS AMBI TAU0 END 0.003013
HIERARCH ESO ISS AMBI TEMP 11.88
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.76