Exposure
ID
MATIS.2025-08-16T02:04:49.039_1
Header ID
MATIS.2025-08-16T02:04:49.039
Date updated
2025-08-16 02:10:32 UTC+0000
Release date
2026-08-16 02:10:32 UTC+0000
UTC Start
2025-08-16 02:04:49.039
UTC End
2025-08-16 02:05:49.047
MJD Start
60903.08667869
MJD End
60903.08737322704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.002551
Ambient temperature (°C)
9.36
Seeing (arcsec)
0.915
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 66.8100 66.7510 276.7000 276.8000
K0-D0 94.2600 94.1870 255.7000 255.8000
K0-J3 56.1260 56.1160 338.7720 338.8940
G2-D0 39.8200 39.8100 218.9000 218.9000
G2-J3 64.0820 64.0600 45.9270 46.0010
D0-J3 103.7150 103.6830 43.2210 43.2960
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 60903.08667869
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 66.81
HIERARCH ESO ISS PBL12 END 66.751
HIERARCH ESO ISS PBLA12 START 276.7
HIERARCH ESO ISS PBLA12 END 276.8
HIERARCH ESO ISS PBL13 START 94.26
HIERARCH ESO ISS PBL13 END 94.187
HIERARCH ESO ISS PBLA13 START 255.7
HIERARCH ESO ISS PBLA13 END 255.8
HIERARCH ESO ISS PBL14 START 56.126
HIERARCH ESO ISS PBL14 END 56.116
HIERARCH ESO ISS PBLA14 START 338.772
HIERARCH ESO ISS PBLA14 END 338.894
HIERARCH ESO ISS PBL23 START 39.82
HIERARCH ESO ISS PBL23 END 39.81
HIERARCH ESO ISS PBLA23 START 218.9
HIERARCH ESO ISS PBLA23 END 218.9
HIERARCH ESO ISS PBL24 START 64.082
HIERARCH ESO ISS PBL24 END 64.06
HIERARCH ESO ISS PBLA24 START 45.927
HIERARCH ESO ISS PBLA24 END 46.001
HIERARCH ESO ISS PBL34 START 103.715
HIERARCH ESO ISS PBL34 END 103.683
HIERARCH ESO ISS PBLA34 START 43.221
HIERARCH ESO ISS PBLA34 END 43.296
HIERARCH ESO ISS AMBI TAU0 START 0.002551
HIERARCH ESO ISS AMBI TAU0 END 0.002551
HIERARCH ESO ISS AMBI TEMP 9.36
HIERARCH ESO ISS AMBI FWHM START 1.0
HIERARCH ESO ISS AMBI FWHM END 0.83