Exposure
ID
MATIS.2025-11-08T06:49:54.897_1
Header ID
MATIS.2025-11-08T06:49:54.897
Date updated
2025-11-08 07:00:52 UTC+0000
Release date
2026-11-08 07:00:51 UTC+0000
UTC Start
2025-11-08 06:49:54.897
UTC End
2025-11-08 06:50:56.889
MJD Start
60987.28466316
MJD End
60987.285380659996
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.002203
Ambient temperature (°C)
12.57
Seeing (arcsec)
0.81
Observation
ID
71235
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
HIGH_SENS_N_HIGH
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 56.5500 56.5520 35.2000 35.2000
U1-U3 102.2520 102.2340 39.7000 39.7000
U1-U4 120.2600 120.0580 60.8790 60.8250
U2-U3 46.0900 46.0660 45.2000 45.2000
U2-U4 73.4840 73.2500 80.3420 80.3100
U3-U4 44.5280 44.3460 116.8690 116.9870
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 60987.28466316
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME M 77
RA 40.670523
DEC -0.01372
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME HIGH
HIERARCH ESO INS DIN ID HIGH
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 0.0750053
HIERARCH ESO DET SEQ1 PERIOD 0.084
HIERARCH ESO DET NDIT 738
HIERARCH ESO ISS PBL12 START 56.55
HIERARCH ESO ISS PBL12 END 56.552
HIERARCH ESO ISS PBLA12 START 35.2
HIERARCH ESO ISS PBLA12 END 35.2
HIERARCH ESO ISS PBL13 START 102.252
HIERARCH ESO ISS PBL13 END 102.234
HIERARCH ESO ISS PBLA13 START 39.7
HIERARCH ESO ISS PBLA13 END 39.7
HIERARCH ESO ISS PBL14 START 120.26
HIERARCH ESO ISS PBL14 END 120.058
HIERARCH ESO ISS PBLA14 START 60.879
HIERARCH ESO ISS PBLA14 END 60.825
HIERARCH ESO ISS PBL23 START 46.09
HIERARCH ESO ISS PBL23 END 46.066
HIERARCH ESO ISS PBLA23 START 45.2
HIERARCH ESO ISS PBLA23 END 45.2
HIERARCH ESO ISS PBL24 START 73.484
HIERARCH ESO ISS PBL24 END 73.25
HIERARCH ESO ISS PBLA24 START 80.342
HIERARCH ESO ISS PBLA24 END 80.31
HIERARCH ESO ISS PBL34 START 44.528
HIERARCH ESO ISS PBL34 END 44.346
HIERARCH ESO ISS PBLA34 START 116.869
HIERARCH ESO ISS PBLA34 END 116.987
HIERARCH ESO ISS AMBI TAU0 START 0.002203
HIERARCH ESO ISS AMBI TAU0 END 0.002203
HIERARCH ESO ISS AMBI TEMP 12.57
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.8