Exposure
ID
MATIS.2025-11-08T06:42:41.131_1
Header ID
MATIS.2025-11-08T06:42:41.131
Date updated
2025-11-08 06:51:03 UTC+0000
Release date
2026-11-08 06:51:03 UTC+0000
UTC Start
2025-11-08 06:42:41.131
UTC End
2025-11-08 06:43:42.855
MJD Start
60987.27964272
MJD End
60987.28035711815
Exposure time (s)
61.7
Validation level
1
Tau 0: Coherence time (s)
0.0030975
Ambient temperature (°C)
12.59
Seeing (arcsec)
0.73
Observation
ID
71234
Category
science
Program ID
116.29H7.002
Program Title
GPAO COMMISSIONING
Program Type
Normal
PI / COI
TEAM
Target
ID
52896
Name
M 77
RA
40.670523
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 56.5210 56.5270 35.2000 35.2000
U1-U3 102.3550 102.3420 39.8000 39.8000
U1-U4 121.5960 121.4050 61.2320 61.1820
U2-U3 46.2390 46.2180 45.4000 45.4000
U2-U4 75.0380 74.8130 80.5460 80.5170
U3-U4 45.7500 45.5720 116.0990 116.2090
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 60987.27964272
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME M 77
RA 40.670523
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 2.374
HIERARCH ESO DET NDIT 26
HIERARCH ESO ISS PBL12 START 56.521
HIERARCH ESO ISS PBL12 END 56.527
HIERARCH ESO ISS PBLA12 START 35.2
HIERARCH ESO ISS PBLA12 END 35.2
HIERARCH ESO ISS PBL13 START 102.355
HIERARCH ESO ISS PBL13 END 102.342
HIERARCH ESO ISS PBLA13 START 39.8
HIERARCH ESO ISS PBLA13 END 39.8
HIERARCH ESO ISS PBL14 START 121.596
HIERARCH ESO ISS PBL14 END 121.405
HIERARCH ESO ISS PBLA14 START 61.232
HIERARCH ESO ISS PBLA14 END 61.182
HIERARCH ESO ISS PBL23 START 46.239
HIERARCH ESO ISS PBL23 END 46.218
HIERARCH ESO ISS PBLA23 START 45.4
HIERARCH ESO ISS PBLA23 END 45.4
HIERARCH ESO ISS PBL24 START 75.038
HIERARCH ESO ISS PBL24 END 74.813
HIERARCH ESO ISS PBLA24 START 80.546
HIERARCH ESO ISS PBLA24 END 80.517
HIERARCH ESO ISS PBL34 START 45.75
HIERARCH ESO ISS PBL34 END 45.572
HIERARCH ESO ISS PBLA34 START 116.099
HIERARCH ESO ISS PBLA34 END 116.209
HIERARCH ESO ISS AMBI TAU0 START 0.003025
HIERARCH ESO ISS AMBI TAU0 END 0.00317
HIERARCH ESO ISS AMBI TEMP 12.59
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.73