Exposure
ID
MATIS.2025-11-08T07:01:27.935_1
Header ID
MATIS.2025-11-08T07:01:27.935
Date updated
2025-11-08 07:10:34 UTC+0000
Release date
2026-11-08 07:10:34 UTC+0000
UTC Start
2025-11-08 07:01:27.935
UTC End
2025-11-08 07:02:31.439
MJD Start
60987.29268443
MJD End
60987.29341943
Exposure time (s)
63.5
Validation level
1
Tau 0: Coherence time (s)
0.0026985
Ambient temperature (°C)
12.66
Seeing (arcsec)
0.8
Observation
ID
71253
Category
science
Program ID
116.29H7.002
Program Title
GPAO COMMISSIONING
Program Type
Normal
PI / COI
TEAM
Target
ID
52906
Name
M 77
RA
40.670521
DEC
-0.01372
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 56.5560 56.5550 35.2000 35.2000
U1-U3 102.0020 101.9740 39.5000 39.5000
U1-U4 117.9470 117.7210 60.2460 60.1830
U2-U3 45.8040 45.7750 44.9000 44.8000
U2-U4 70.8550 70.6020 79.9750 79.9380
U3-U4 42.5200 42.3300 118.2430 118.3810
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 60987.29268443
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME M 77
RA 40.670521
DEC -0.01372
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 56.556
HIERARCH ESO ISS PBL12 END 56.555
HIERARCH ESO ISS PBLA12 START 35.2
HIERARCH ESO ISS PBLA12 END 35.2
HIERARCH ESO ISS PBL13 START 102.002
HIERARCH ESO ISS PBL13 END 101.974
HIERARCH ESO ISS PBLA13 START 39.5
HIERARCH ESO ISS PBLA13 END 39.5
HIERARCH ESO ISS PBL14 START 117.947
HIERARCH ESO ISS PBL14 END 117.721
HIERARCH ESO ISS PBLA14 START 60.246
HIERARCH ESO ISS PBLA14 END 60.183
HIERARCH ESO ISS PBL23 START 45.804
HIERARCH ESO ISS PBL23 END 45.775
HIERARCH ESO ISS PBLA23 START 44.9
HIERARCH ESO ISS PBLA23 END 44.8
HIERARCH ESO ISS PBL24 START 70.855
HIERARCH ESO ISS PBL24 END 70.602
HIERARCH ESO ISS PBLA24 START 79.975
HIERARCH ESO ISS PBLA24 END 79.938
HIERARCH ESO ISS PBL34 START 42.52
HIERARCH ESO ISS PBL34 END 42.33
HIERARCH ESO ISS PBLA34 START 118.243
HIERARCH ESO ISS PBLA34 END 118.381
HIERARCH ESO ISS AMBI TAU0 START 0.002673
HIERARCH ESO ISS AMBI TAU0 END 0.002724
HIERARCH ESO ISS AMBI TEMP 12.66
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.8