Exposure
ID
MATIS.2025-08-16T02:06:09.030_1
Header ID
MATIS.2025-08-16T02:06:09.030
Date updated
2025-08-16 02:15:48 UTC+0000
Release date
2026-08-16 02:15:48 UTC+0000
UTC Start
2025-08-16 02:06:09.030
UTC End
2025-08-16 02:07:09.038
MJD Start
60903.08760451
MJD End
60903.08829904704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.002551
Ambient temperature (°C)
9.37
Seeing (arcsec)
0.83
Observation
ID
68183
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
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 66.7320 66.6710 276.8000 276.9000
K0-D0 94.1640 94.0900 255.8000 255.9000
K0-J3 56.1120 56.1020 338.9350 339.0570
G2-D0 39.8070 39.7970 219.0000 219.0000
G2-J3 64.0530 64.0300 46.0280 46.1020
D0-J3 103.6730 103.6400 43.3220 43.3970
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 60903.08760451
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016859
DEC -22.22406
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME LOW
HIERARCH ESO INS DIN 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 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 66.732
HIERARCH ESO ISS PBL12 END 66.671
HIERARCH ESO ISS PBLA12 START 276.8
HIERARCH ESO ISS PBLA12 END 276.9
HIERARCH ESO ISS PBL13 START 94.164
HIERARCH ESO ISS PBL13 END 94.09
HIERARCH ESO ISS PBLA13 START 255.8
HIERARCH ESO ISS PBLA13 END 255.9
HIERARCH ESO ISS PBL14 START 56.112
HIERARCH ESO ISS PBL14 END 56.102
HIERARCH ESO ISS PBLA14 START 338.935
HIERARCH ESO ISS PBLA14 END 339.057
HIERARCH ESO ISS PBL23 START 39.807
HIERARCH ESO ISS PBL23 END 39.797
HIERARCH ESO ISS PBLA23 START 219.0
HIERARCH ESO ISS PBLA23 END 219.0
HIERARCH ESO ISS PBL24 START 64.053
HIERARCH ESO ISS PBL24 END 64.03
HIERARCH ESO ISS PBLA24 START 46.028
HIERARCH ESO ISS PBLA24 END 46.102
HIERARCH ESO ISS PBL34 START 103.673
HIERARCH ESO ISS PBL34 END 103.64
HIERARCH ESO ISS PBLA34 START 43.322
HIERARCH ESO ISS PBLA34 END 43.397
HIERARCH ESO ISS AMBI TAU0 START 0.002551
HIERARCH ESO ISS AMBI TAU0 END 0.002551
HIERARCH ESO ISS AMBI TEMP 9.37
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.83