Exposure
ID
MATIS.2025-08-16T04:39:54.770_1
Header ID
MATIS.2025-08-16T04:39:54.770
Date updated
2025-08-16 04:50:37 UTC+0000
Release date
2026-08-16 04:50:37 UTC+0000
UTC Start
2025-08-16 04:39:54.770
UTC End
2025-08-16 04:40:54.830
MJD Start
60903.19438391
MJD End
60903.195079048885
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.002231
Ambient temperature (°C)
9.49
Seeing (arcsec)
1.17
Observation
ID
68182
Category
science
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
50684
Name
V VX Sgr
RA
272.016859
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 46.9910 46.8140 298.1000 298.3000
K0-D0 66.1770 65.8960 268.1000 268.1000
K0-J3 54.9440 54.9450 0.6970 0.8480
G2-D0 34.6930 34.6360 225.4000 225.4000
G2-J3 53.3950 53.2790 52.0890 52.0870
D0-J3 87.9440 87.7710 49.4400 49.4390
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.005
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 60903.19438391
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016859
DEC -22.22406
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 46.991
HIERARCH ESO ISS PBL12 END 46.814
HIERARCH ESO ISS PBLA12 START 298.1
HIERARCH ESO ISS PBLA12 END 298.3
HIERARCH ESO ISS PBL13 START 66.177
HIERARCH ESO ISS PBL13 END 65.896
HIERARCH ESO ISS PBLA13 START 268.1
HIERARCH ESO ISS PBLA13 END 268.1
HIERARCH ESO ISS PBL14 START 54.944
HIERARCH ESO ISS PBL14 END 54.945
HIERARCH ESO ISS PBLA14 START 0.697
HIERARCH ESO ISS PBLA14 END 0.848
HIERARCH ESO ISS PBL23 START 34.693
HIERARCH ESO ISS PBL23 END 34.636
HIERARCH ESO ISS PBLA23 START 225.4
HIERARCH ESO ISS PBLA23 END 225.4
HIERARCH ESO ISS PBL24 START 53.395
HIERARCH ESO ISS PBL24 END 53.279
HIERARCH ESO ISS PBLA24 START 52.089
HIERARCH ESO ISS PBLA24 END 52.087
HIERARCH ESO ISS PBL34 START 87.944
HIERARCH ESO ISS PBL34 END 87.771
HIERARCH ESO ISS PBLA34 START 49.44
HIERARCH ESO ISS PBLA34 END 49.439
HIERARCH ESO ISS AMBI TAU0 START 0.002231
HIERARCH ESO ISS AMBI TAU0 END 0.002231
HIERARCH ESO ISS AMBI TEMP 9.49
HIERARCH ESO ISS AMBI FWHM START 1.17
HIERARCH ESO ISS AMBI FWHM END 1.17