Exposure
ID
MATIS.2025-11-08T06:58:49.691_1
Header ID
MATIS.2025-11-08T06:58:49.691
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 06:58:49.691
UTC End
2025-11-08 06:59:53.195
MJD Start
60987.2908529
MJD End
60987.2915879
Exposure time (s)
63.5
Validation level
1
Tau 0: Coherence time (s)
0.002537
Ambient temperature (°C)
12.64
Seeing (arcsec)
0.79
Observation
ID
71247
Category
science
Program ID
116.29H7.002
Program Title
GPAO COMMISSIONING
Program Type
Normal
PI / COI
TEAM
Target
ID
52903
Name
M 77
RA
40.670528
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 56.5590 56.5580 35.2000 35.2000
U1-U3 102.0690 102.0420 39.6000 39.6000
U1-U4 118.4980 118.2730 60.4000 60.3370
U2-U3 45.8750 45.8460 45.0000 44.9000
U2-U4 71.4750 71.2220 80.0640 80.0280
U3-U4 42.9870 42.7950 117.9110 118.0460
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 60987.2908529
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME M 77
RA 40.670528
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 56.559
HIERARCH ESO ISS PBL12 END 56.558
HIERARCH ESO ISS PBLA12 START 35.2
HIERARCH ESO ISS PBLA12 END 35.2
HIERARCH ESO ISS PBL13 START 102.069
HIERARCH ESO ISS PBL13 END 102.042
HIERARCH ESO ISS PBLA13 START 39.6
HIERARCH ESO ISS PBLA13 END 39.6
HIERARCH ESO ISS PBL14 START 118.498
HIERARCH ESO ISS PBL14 END 118.273
HIERARCH ESO ISS PBLA14 START 60.4
HIERARCH ESO ISS PBLA14 END 60.337
HIERARCH ESO ISS PBL23 START 45.875
HIERARCH ESO ISS PBL23 END 45.846
HIERARCH ESO ISS PBLA23 START 45.0
HIERARCH ESO ISS PBLA23 END 44.9
HIERARCH ESO ISS PBL24 START 71.475
HIERARCH ESO ISS PBL24 END 71.222
HIERARCH ESO ISS PBLA24 START 80.064
HIERARCH ESO ISS PBLA24 END 80.028
HIERARCH ESO ISS PBL34 START 42.987
HIERARCH ESO ISS PBL34 END 42.795
HIERARCH ESO ISS PBLA34 START 117.911
HIERARCH ESO ISS PBLA34 END 118.046
HIERARCH ESO ISS AMBI TAU0 START 0.002537
HIERARCH ESO ISS AMBI TAU0 END 0.002537
HIERARCH ESO ISS AMBI TEMP 12.64
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.79