Exposure
ID
MATIS.2025-07-16T04:31:01.553_1
Header ID
MATIS.2025-07-16T04:31:01.553
Date updated
2025-07-16 04:40:55 UTC+0000
Release date
2026-07-16 04:40:55 UTC+0000
UTC Start
2025-07-16 04:31:01.553
UTC End
2025-07-16 04:32:01.561
MJD Start
60872.18821242
MJD End
60872.18890695704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.002974
Ambient temperature (°C)
12.16
Seeing (arcsec)
0.95
Observation
ID
68120
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
50630
Name
V VX Sgr
RA
272.015659
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 86.8130 86.7260 124.7000 124.8000
A0-J2 123.0650 122.9020 100.5000 100.6000
A0-K0 122.8080 122.6600 77.7050 77.7870
G1-J2 56.5560 56.5050 61.4000 61.5000
G1-K0 89.8820 89.8580 32.7550 32.8290
J2-K0 48.5280 48.5280 358.7880 358.9030
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 60872.18821242
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.015659
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 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 86.813
HIERARCH ESO ISS PBL12 END 86.726
HIERARCH ESO ISS PBLA12 START 124.7
HIERARCH ESO ISS PBLA12 END 124.8
HIERARCH ESO ISS PBL13 START 123.065
HIERARCH ESO ISS PBL13 END 122.902
HIERARCH ESO ISS PBLA13 START 100.5
HIERARCH ESO ISS PBLA13 END 100.6
HIERARCH ESO ISS PBL14 START 122.808
HIERARCH ESO ISS PBL14 END 122.66
HIERARCH ESO ISS PBLA14 START 77.705
HIERARCH ESO ISS PBLA14 END 77.787
HIERARCH ESO ISS PBL23 START 56.556
HIERARCH ESO ISS PBL23 END 56.505
HIERARCH ESO ISS PBLA23 START 61.4
HIERARCH ESO ISS PBLA23 END 61.5
HIERARCH ESO ISS PBL24 START 89.882
HIERARCH ESO ISS PBL24 END 89.858
HIERARCH ESO ISS PBLA24 START 32.755
HIERARCH ESO ISS PBLA24 END 32.829
HIERARCH ESO ISS PBL34 START 48.528
HIERARCH ESO ISS PBL34 END 48.528
HIERARCH ESO ISS PBLA34 START 358.788
HIERARCH ESO ISS PBLA34 END 358.903
HIERARCH ESO ISS AMBI TAU0 START 0.002974
HIERARCH ESO ISS AMBI TAU0 END 0.002974
HIERARCH ESO ISS AMBI TEMP 12.16
HIERARCH ESO ISS AMBI FWHM START 0.98
HIERARCH ESO ISS AMBI FWHM END 0.92