Exposure
ID
MATIS.2025-04-09T08:23:19.575_1
Header ID
MATIS.2025-04-09T08:23:19.575
Date updated
2025-04-09 08:30:44 UTC+0000
Release date
2025-04-09 08:23:19 UTC+0000
UTC Start
2025-04-09 08:23:19.575
UTC End
2025-04-09 08:24:19.583
MJD Start
60774.34953212
MJD End
60774.35022665704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003236
Ambient temperature (°C)
14.25
Seeing (arcsec)
1.09
Observation
ID
66141
Category
calibrator
Program ID
60.A-9130(A)
Program Title
DAILY CALIBRATION
Program Type
Normal
PI / COI
TEAM
Target
ID
49240
Name
HD 165986
RA
272.931073
DEC
-55.36287
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 52.1760 52.1590 17.8000 18.0000
U1-U3 96.3790 96.3430 23.9000 24.0000
U1-U4 129.6950 129.6720 48.4170 48.6220
U2-U3 44.8320 44.8150 30.9000 31.1000
U2-U4 88.8380 88.8620 65.8040 66.0240
U3-U4 58.0330 58.0920 92.0240 92.2350
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 60774.34953212
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 165986
RA 272.931073
DEC -55.36287
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 2308
HIERARCH ESO ISS PBL12 START 52.176
HIERARCH ESO ISS PBL12 END 52.159
HIERARCH ESO ISS PBLA12 START 17.8
HIERARCH ESO ISS PBLA12 END 18.0
HIERARCH ESO ISS PBL13 START 96.379
HIERARCH ESO ISS PBL13 END 96.343
HIERARCH ESO ISS PBLA13 START 23.9
HIERARCH ESO ISS PBLA13 END 24.0
HIERARCH ESO ISS PBL14 START 129.695
HIERARCH ESO ISS PBL14 END 129.672
HIERARCH ESO ISS PBLA14 START 48.417
HIERARCH ESO ISS PBLA14 END 48.622
HIERARCH ESO ISS PBL23 START 44.832
HIERARCH ESO ISS PBL23 END 44.815
HIERARCH ESO ISS PBLA23 START 30.9
HIERARCH ESO ISS PBLA23 END 31.1
HIERARCH ESO ISS PBL24 START 88.838
HIERARCH ESO ISS PBL24 END 88.862
HIERARCH ESO ISS PBLA24 START 65.804
HIERARCH ESO ISS PBLA24 END 66.024
HIERARCH ESO ISS PBL34 START 58.033
HIERARCH ESO ISS PBL34 END 58.092
HIERARCH ESO ISS PBLA34 START 92.024
HIERARCH ESO ISS PBLA34 END 92.235
HIERARCH ESO ISS AMBI TAU0 START 0.003236
HIERARCH ESO ISS AMBI TAU0 END 0.003236
HIERARCH ESO ISS AMBI TEMP 14.25
HIERARCH ESO ISS AMBI FWHM START 1.09
HIERARCH ESO ISS AMBI FWHM END 1.09