Exposure
ID
MATIS.2025-11-08T06:44:08.151_1
Header ID
MATIS.2025-11-08T06:44:08.151
Date updated
2025-11-08 06:55:52 UTC+0000
Release date
2026-11-08 06:55:52 UTC+0000
UTC Start
2025-11-08 06:44:08.151
UTC End
2025-11-08 06:45:09.875
MJD Start
60987.2806499
MJD End
60987.28136429815
Exposure time (s)
61.7
Validation level
1
Tau 0: Coherence time (s)
0.00317
Ambient temperature (°C)
12.64
Seeing (arcsec)
0.73
Observation
ID
71236
Category
science
Program ID
116.29H7.002
Program Title
GPAO COMMISSIONING
Program Type
Normal
PI / COI
TEAM
Target
ID
52897
Name
M 77
RA
40.670529
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 56.5290 56.5330 35.2000 35.2000
U1-U3 102.3380 102.3240 39.8000 39.8000
U1-U4 121.3340 121.1400 61.1630 61.1120
U2-U3 46.2110 46.1890 45.4000 45.4000
U2-U4 74.7300 74.5030 80.5070 80.4770
U3-U4 45.5060 45.3270 116.2490 116.3610
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 60987.2806499
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME M 77
RA 40.670529
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 2.374
HIERARCH ESO DET NDIT 26
HIERARCH ESO ISS PBL12 START 56.529
HIERARCH ESO ISS PBL12 END 56.533
HIERARCH ESO ISS PBLA12 START 35.2
HIERARCH ESO ISS PBLA12 END 35.2
HIERARCH ESO ISS PBL13 START 102.338
HIERARCH ESO ISS PBL13 END 102.324
HIERARCH ESO ISS PBLA13 START 39.8
HIERARCH ESO ISS PBLA13 END 39.8
HIERARCH ESO ISS PBL14 START 121.334
HIERARCH ESO ISS PBL14 END 121.14
HIERARCH ESO ISS PBLA14 START 61.163
HIERARCH ESO ISS PBLA14 END 61.112
HIERARCH ESO ISS PBL23 START 46.211
HIERARCH ESO ISS PBL23 END 46.189
HIERARCH ESO ISS PBLA23 START 45.4
HIERARCH ESO ISS PBLA23 END 45.4
HIERARCH ESO ISS PBL24 START 74.73
HIERARCH ESO ISS PBL24 END 74.503
HIERARCH ESO ISS PBLA24 START 80.507
HIERARCH ESO ISS PBLA24 END 80.477
HIERARCH ESO ISS PBL34 START 45.506
HIERARCH ESO ISS PBL34 END 45.327
HIERARCH ESO ISS PBLA34 START 116.249
HIERARCH ESO ISS PBLA34 END 116.361
HIERARCH ESO ISS AMBI TAU0 START 0.00317
HIERARCH ESO ISS AMBI TAU0 END 0.00317
HIERARCH ESO ISS AMBI TEMP 12.64
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.73