Exposure
ID
MATIS.2025-11-08T06:54:46.706_1
Header ID
MATIS.2025-11-08T06:54:46.706
Date updated
2025-11-08 07:05:48 UTC+0000
Release date
2026-11-08 07:05:48 UTC+0000
UTC Start
2025-11-08 06:54:46.706
UTC End
2025-11-08 06:55:50.210
MJD Start
60987.28804058
MJD End
60987.288775580004
Exposure time (s)
63.5
Validation level
1
Tau 0: Coherence time (s)
0.002702
Ambient temperature (°C)
12.54
Seeing (arcsec)
0.88
Observation
ID
71245
Category
science
Program ID
116.29H7.002
Program Title
GPAO COMMISSIONING
Program Type
Normal
PI / COI
TEAM
Target
ID
52902
Name
M 77
RA
40.670524
DEC
-0.01373
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_MEDIUM
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 56.5580 56.5590 35.2000 35.2000
U1-U3 102.1600 102.1370 39.6000 39.6000
U1-U4 119.3130 119.1000 60.6230 60.5650
U2-U3 45.9760 45.9500 45.1000 45.1000
U2-U4 72.3980 72.1560 80.1940 80.1600
U3-U4 43.6900 43.5050 117.4250 117.5510
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.29H7.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 60987.28804058
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME M 77
RA 40.670524
DEC -0.01373
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME MED
HIERARCH ESO INS DIL ID MED
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 1.3
HIERARCH ESO DET SEQ1 PERIOD 3.528
HIERARCH ESO DET NDIT 18
HIERARCH ESO ISS PBL12 START 56.558
HIERARCH ESO ISS PBL12 END 56.559
HIERARCH ESO ISS PBLA12 START 35.2
HIERARCH ESO ISS PBLA12 END 35.2
HIERARCH ESO ISS PBL13 START 102.16
HIERARCH ESO ISS PBL13 END 102.137
HIERARCH ESO ISS PBLA13 START 39.6
HIERARCH ESO ISS PBLA13 END 39.6
HIERARCH ESO ISS PBL14 START 119.313
HIERARCH ESO ISS PBL14 END 119.1
HIERARCH ESO ISS PBLA14 START 60.623
HIERARCH ESO ISS PBLA14 END 60.565
HIERARCH ESO ISS PBL23 START 45.976
HIERARCH ESO ISS PBL23 END 45.95
HIERARCH ESO ISS PBLA23 START 45.1
HIERARCH ESO ISS PBLA23 END 45.1
HIERARCH ESO ISS PBL24 START 72.398
HIERARCH ESO ISS PBL24 END 72.156
HIERARCH ESO ISS PBLA24 START 80.194
HIERARCH ESO ISS PBLA24 END 80.16
HIERARCH ESO ISS PBL34 START 43.69
HIERARCH ESO ISS PBL34 END 43.505
HIERARCH ESO ISS PBLA34 START 117.425
HIERARCH ESO ISS PBLA34 END 117.551
HIERARCH ESO ISS AMBI TAU0 START 0.002702
HIERARCH ESO ISS AMBI TAU0 END 0.002702
HIERARCH ESO ISS AMBI TEMP 12.54
HIERARCH ESO ISS AMBI FWHM START 0.88
HIERARCH ESO ISS AMBI FWHM END 0.88