Exposure
ID
MATIS.2025-08-16T02:08:33.865_1
Header ID
MATIS.2025-08-16T02:08:33.865
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 02:08:33.865
UTC End
2025-08-16 02:09:33.873
MJD Start
60903.08928084
MJD End
60903.08997537704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.002551
Ambient temperature (°C)
9.32
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 66.5850 66.5220 277.0000 277.1000
K0-D0 93.9840 93.9050 256.0000 256.1000
K0-J3 56.0870 56.0760 339.2290 339.3570
G2-D0 39.7830 39.7720 219.2000 219.2000
G2-J3 63.9970 63.9730 46.2060 46.2840
D0-J3 103.5940 103.5590 43.5030 43.5810
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 60903.08928084
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 66.585
HIERARCH ESO ISS PBL12 END 66.522
HIERARCH ESO ISS PBLA12 START 277.0
HIERARCH ESO ISS PBLA12 END 277.1
HIERARCH ESO ISS PBL13 START 93.984
HIERARCH ESO ISS PBL13 END 93.905
HIERARCH ESO ISS PBLA13 START 256.0
HIERARCH ESO ISS PBLA13 END 256.1
HIERARCH ESO ISS PBL14 START 56.087
HIERARCH ESO ISS PBL14 END 56.076
HIERARCH ESO ISS PBLA14 START 339.229
HIERARCH ESO ISS PBLA14 END 339.357
HIERARCH ESO ISS PBL23 START 39.783
HIERARCH ESO ISS PBL23 END 39.772
HIERARCH ESO ISS PBLA23 START 219.2
HIERARCH ESO ISS PBLA23 END 219.2
HIERARCH ESO ISS PBL24 START 63.997
HIERARCH ESO ISS PBL24 END 63.973
HIERARCH ESO ISS PBLA24 START 46.206
HIERARCH ESO ISS PBLA24 END 46.284
HIERARCH ESO ISS PBL34 START 103.594
HIERARCH ESO ISS PBL34 END 103.559
HIERARCH ESO ISS PBLA34 START 43.503
HIERARCH ESO ISS PBLA34 END 43.581
HIERARCH ESO ISS AMBI TAU0 START 0.002551
HIERARCH ESO ISS AMBI TAU0 END 0.002551
HIERARCH ESO ISS AMBI TEMP 9.32
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.83