Exposure
ID
MATIS.2025-06-28T06:31:25.850_1
Header ID
MATIS.2025-06-28T06:31:25.850
Date updated
2025-06-28 06:36:49 UTC+0000
Release date
2026-06-28 06:36:49 UTC+0000
UTC Start
2025-06-28 06:31:25.850
UTC End
2025-06-28 06:32:25.858
MJD Start
60854.27182697
MJD End
60854.27252150704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0020800000000000003
Ambient temperature (°C)
4.34
Seeing (arcsec)
0.625
Observation
ID
68242
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 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.2630 24.2530 159.0000 159.2000
A0-D0 28.3430 28.2820 81.6000 81.7000
A0-C1 20.4270 20.3970 132.1930 132.3650
B2-D0 33.0490 33.0300 35.8000 35.9000
B2-C1 11.0100 11.0030 35.7840 35.8360
D0-C1 22.0390 22.0270 215.8430 215.8940
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 60854.27182697
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 24.263
HIERARCH ESO ISS PBL12 END 24.253
HIERARCH ESO ISS PBLA12 START 159.0
HIERARCH ESO ISS PBLA12 END 159.2
HIERARCH ESO ISS PBL13 START 28.343
HIERARCH ESO ISS PBL13 END 28.282
HIERARCH ESO ISS PBLA13 START 81.6
HIERARCH ESO ISS PBLA13 END 81.7
HIERARCH ESO ISS PBL14 START 20.427
HIERARCH ESO ISS PBL14 END 20.397
HIERARCH ESO ISS PBLA14 START 132.193
HIERARCH ESO ISS PBLA14 END 132.365
HIERARCH ESO ISS PBL23 START 33.049
HIERARCH ESO ISS PBL23 END 33.03
HIERARCH ESO ISS PBLA23 START 35.8
HIERARCH ESO ISS PBLA23 END 35.9
HIERARCH ESO ISS PBL24 START 11.01
HIERARCH ESO ISS PBL24 END 11.003
HIERARCH ESO ISS PBLA24 START 35.784
HIERARCH ESO ISS PBLA24 END 35.836
HIERARCH ESO ISS PBL34 START 22.039
HIERARCH ESO ISS PBL34 END 22.027
HIERARCH ESO ISS PBLA34 START 215.843
HIERARCH ESO ISS PBLA34 END 215.894
HIERARCH ESO ISS AMBI TAU0 START 0.001885
HIERARCH ESO ISS AMBI TAU0 END 0.002275
HIERARCH ESO ISS AMBI TEMP 4.34
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.61