Exposure
ID
MATIS.2025-09-24T00:42:44.628_1
Header ID
MATIS.2025-09-24T00:42:44.628
Date updated
2025-09-24 00:50:53 UTC+0000
Release date
2025-09-24 00:42:44 UTC+0000
UTC Start
2025-09-24 00:42:44.628
UTC End
2025-09-24 00:43:44.688
MJD Start
60942.02968319
MJD End
60942.030378328884
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.007853
Ambient temperature (°C)
15.52
Seeing (arcsec)
0.44
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 86.1950 86.1170 131.8000 131.9000
A0-J2 118.6260 118.4400 107.7000 107.8000
A0-K0 115.8620 115.6560 83.8290 83.9430
G1-J2 53.1990 53.1160 66.3000 66.4000
G1-K0 86.4380 86.3780 36.0750 36.1450
J2-K0 48.5520 48.5510 2.5670 2.6780
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 60942.02968319
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 86.195
HIERARCH ESO ISS PBL12 END 86.117
HIERARCH ESO ISS PBLA12 START 131.8
HIERARCH ESO ISS PBLA12 END 131.9
HIERARCH ESO ISS PBL13 START 118.626
HIERARCH ESO ISS PBL13 END 118.44
HIERARCH ESO ISS PBLA13 START 107.7
HIERARCH ESO ISS PBLA13 END 107.8
HIERARCH ESO ISS PBL14 START 115.862
HIERARCH ESO ISS PBL14 END 115.656
HIERARCH ESO ISS PBLA14 START 83.829
HIERARCH ESO ISS PBLA14 END 83.943
HIERARCH ESO ISS PBL23 START 53.199
HIERARCH ESO ISS PBL23 END 53.116
HIERARCH ESO ISS PBLA23 START 66.3
HIERARCH ESO ISS PBLA23 END 66.4
HIERARCH ESO ISS PBL24 START 86.438
HIERARCH ESO ISS PBL24 END 86.378
HIERARCH ESO ISS PBLA24 START 36.075
HIERARCH ESO ISS PBLA24 END 36.145
HIERARCH ESO ISS PBL34 START 48.552
HIERARCH ESO ISS PBL34 END 48.551
HIERARCH ESO ISS PBLA34 START 2.567
HIERARCH ESO ISS PBLA34 END 2.678
HIERARCH ESO ISS AMBI TAU0 START 0.007853
HIERARCH ESO ISS AMBI TAU0 END 0.007853
HIERARCH ESO ISS AMBI TEMP 15.52
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.52