Exposure
ID
MATIS.2025-09-24T00:44:05.444_1
Header ID
MATIS.2025-09-24T00:44:05.444
Date updated
2025-09-24 00:50:53 UTC+0000
Release date
2025-09-24 00:44:05 UTC+0000
UTC Start
2025-09-24 00:44:05.444
UTC End
2025-09-24 00:45:05.504
MJD Start
60942.03061857
MJD End
60942.03131370889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.007853
Ambient temperature (°C)
15.5
Seeing (arcsec)
0.55
Observation
ID
70485
Category
calibrator
Program ID
115.27VC.005
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: IMAGING THE RED SUPERGIANT VX SAGITARII WITH VLTI AND ALMA
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / KRTICKA / PALADINI / HÖFNER / FREYTAG / HUMPHREYS
Target
ID
52267
Name
del Sgr
RA
275.247447
DEC
-29.82826
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 86.0900 86.0100 132.0000 132.2000
A0-J2 118.3780 118.1870 107.9000 108.1000
A0-K0 115.5870 115.3750 83.9810 84.0980
G1-J2 53.0890 53.0040 66.4000 66.5000
G1-K0 86.3570 86.2960 36.1680 36.2410
J2-K0 48.5510 48.5500 2.7150 2.8290
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.005
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 60942.03061857
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247447
DEC -29.82826
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL ID LOW
HIERARCH ESO INS MODE HYBRID
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 86.09
HIERARCH ESO ISS PBL12 END 86.01
HIERARCH ESO ISS PBLA12 START 132.0
HIERARCH ESO ISS PBLA12 END 132.2
HIERARCH ESO ISS PBL13 START 118.378
HIERARCH ESO ISS PBL13 END 118.187
HIERARCH ESO ISS PBLA13 START 107.9
HIERARCH ESO ISS PBLA13 END 108.1
HIERARCH ESO ISS PBL14 START 115.587
HIERARCH ESO ISS PBL14 END 115.375
HIERARCH ESO ISS PBLA14 START 83.981
HIERARCH ESO ISS PBLA14 END 84.098
HIERARCH ESO ISS PBL23 START 53.089
HIERARCH ESO ISS PBL23 END 53.004
HIERARCH ESO ISS PBLA23 START 66.4
HIERARCH ESO ISS PBLA23 END 66.5
HIERARCH ESO ISS PBL24 START 86.357
HIERARCH ESO ISS PBL24 END 86.296
HIERARCH ESO ISS PBLA24 START 36.168
HIERARCH ESO ISS PBLA24 END 36.241
HIERARCH ESO ISS PBL34 START 48.551
HIERARCH ESO ISS PBL34 END 48.55
HIERARCH ESO ISS PBLA34 START 2.715
HIERARCH ESO ISS PBLA34 END 2.829
HIERARCH ESO ISS AMBI TAU0 START 0.007853
HIERARCH ESO ISS AMBI TAU0 END 0.007853
HIERARCH ESO ISS AMBI TEMP 15.5
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.58