Exposure
ID
MATIS.2025-08-16T02:09:48.176_1
Header ID
MATIS.2025-08-16T02:09:48.176
Date updated
2025-08-16 02:20:30 UTC+0000
Release date
2026-08-16 02:20:30 UTC+0000
UTC Start
2025-08-16 02:09:48.176
UTC End
2025-08-16 02:10:48.184
MJD Start
60903.09014093
MJD End
60903.09083546704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.002551
Ambient temperature (°C)
9.3
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 66.5080 66.4430 277.2000 277.3000
K0-D0 93.8890 93.8080 256.1000 256.2000
K0-J3 56.0740 56.0630 339.3810 339.5090
G2-D0 39.7700 39.7590 219.2000 219.3000
G2-J3 63.9670 63.9420 46.2980 46.3750
D0-J3 103.5520 103.5160 43.5950 43.6730
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 60903.09014093
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 66.508
HIERARCH ESO ISS PBL12 END 66.443
HIERARCH ESO ISS PBLA12 START 277.2
HIERARCH ESO ISS PBLA12 END 277.3
HIERARCH ESO ISS PBL13 START 93.889
HIERARCH ESO ISS PBL13 END 93.808
HIERARCH ESO ISS PBLA13 START 256.1
HIERARCH ESO ISS PBLA13 END 256.2
HIERARCH ESO ISS PBL14 START 56.074
HIERARCH ESO ISS PBL14 END 56.063
HIERARCH ESO ISS PBLA14 START 339.381
HIERARCH ESO ISS PBLA14 END 339.509
HIERARCH ESO ISS PBL23 START 39.77
HIERARCH ESO ISS PBL23 END 39.759
HIERARCH ESO ISS PBLA23 START 219.2
HIERARCH ESO ISS PBLA23 END 219.3
HIERARCH ESO ISS PBL24 START 63.967
HIERARCH ESO ISS PBL24 END 63.942
HIERARCH ESO ISS PBLA24 START 46.298
HIERARCH ESO ISS PBLA24 END 46.375
HIERARCH ESO ISS PBL34 START 103.552
HIERARCH ESO ISS PBL34 END 103.516
HIERARCH ESO ISS PBLA34 START 43.595
HIERARCH ESO ISS PBLA34 END 43.673
HIERARCH ESO ISS AMBI TAU0 START 0.002551
HIERARCH ESO ISS AMBI TAU0 END 0.002551
HIERARCH ESO ISS AMBI TEMP 9.3
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.83