Exposure
ID
MATIS.2025-06-27T03:56:09.545_1
Header ID
MATIS.2025-06-27T03:56:09.545
Date updated
2025-06-27 04:05:51 UTC+0000
Release date
2026-06-27 04:05:50 UTC+0000
UTC Start
2025-06-27 03:56:09.545
UTC End
2025-06-27 03:57:09.553
MJD Start
60853.16399936
MJD End
60853.16469389704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.001687
Ambient temperature (°C)
5.88
Seeing (arcsec)
0.915
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 25.2670 25.2700 139.5000 139.6000
A0-D0 31.6980 31.7150 67.7000 67.8000
A0-C1 22.5050 22.5130 113.0180 113.1050
B2-D0 33.7890 33.7940 22.5000 22.6000
B2-C1 11.2550 11.2570 22.4210 22.5370
D0-C1 22.5330 22.5370 202.4840 202.6010
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 60853.16399936
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 25.267
HIERARCH ESO ISS PBL12 END 25.27
HIERARCH ESO ISS PBLA12 START 139.5
HIERARCH ESO ISS PBLA12 END 139.6
HIERARCH ESO ISS PBL13 START 31.698
HIERARCH ESO ISS PBL13 END 31.715
HIERARCH ESO ISS PBLA13 START 67.7
HIERARCH ESO ISS PBLA13 END 67.8
HIERARCH ESO ISS PBL14 START 22.505
HIERARCH ESO ISS PBL14 END 22.513
HIERARCH ESO ISS PBLA14 START 113.018
HIERARCH ESO ISS PBLA14 END 113.105
HIERARCH ESO ISS PBL23 START 33.789
HIERARCH ESO ISS PBL23 END 33.794
HIERARCH ESO ISS PBLA23 START 22.5
HIERARCH ESO ISS PBLA23 END 22.6
HIERARCH ESO ISS PBL24 START 11.255
HIERARCH ESO ISS PBL24 END 11.257
HIERARCH ESO ISS PBLA24 START 22.421
HIERARCH ESO ISS PBLA24 END 22.537
HIERARCH ESO ISS PBL34 START 22.533
HIERARCH ESO ISS PBL34 END 22.537
HIERARCH ESO ISS PBLA34 START 202.484
HIERARCH ESO ISS PBLA34 END 202.601
HIERARCH ESO ISS AMBI TAU0 START 0.001687
HIERARCH ESO ISS AMBI TAU0 END 0.001687
HIERARCH ESO ISS AMBI TEMP 5.88
HIERARCH ESO ISS AMBI FWHM START 0.94
HIERARCH ESO ISS AMBI FWHM END 0.89