Exposure
ID
MATIS.2025-07-25T05:37:18.635_1
Header ID
MATIS.2025-07-25T05:37:18.635
Date updated
2025-07-25 05:45:48 UTC+0000
Release date
2026-07-25 05:45:48 UTC+0000
UTC Start
2025-07-25 05:37:18.635
UTC End
2025-07-25 05:38:18.695
MJD Start
60881.23424346
MJD End
60881.234938598885
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.002944
Ambient temperature (°C)
12.54
Seeing (arcsec)
0.49
Observation
ID
68241
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
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 23.7860 23.7780 167.8000 167.9000
A0-D0 24.6340 24.5500 85.6000 85.7000
A0-C1 18.8250 18.7930 142.1850 142.4060
B2-D0 31.8120 31.7820 37.9000 37.9000
B2-C1 10.5980 10.5880 37.8210 37.8470
D0-C1 21.2130 21.1930 217.8750 217.9020
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 60881.23424346
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.015659
DEC -22.22406
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL 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 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 23.786
HIERARCH ESO ISS PBL12 END 23.778
HIERARCH ESO ISS PBLA12 START 167.8
HIERARCH ESO ISS PBLA12 END 167.9
HIERARCH ESO ISS PBL13 START 24.634
HIERARCH ESO ISS PBL13 END 24.55
HIERARCH ESO ISS PBLA13 START 85.6
HIERARCH ESO ISS PBLA13 END 85.7
HIERARCH ESO ISS PBL14 START 18.825
HIERARCH ESO ISS PBL14 END 18.793
HIERARCH ESO ISS PBLA14 START 142.185
HIERARCH ESO ISS PBLA14 END 142.406
HIERARCH ESO ISS PBL23 START 31.812
HIERARCH ESO ISS PBL23 END 31.782
HIERARCH ESO ISS PBLA23 START 37.9
HIERARCH ESO ISS PBLA23 END 37.9
HIERARCH ESO ISS PBL24 START 10.598
HIERARCH ESO ISS PBL24 END 10.588
HIERARCH ESO ISS PBLA24 START 37.821
HIERARCH ESO ISS PBLA24 END 37.847
HIERARCH ESO ISS PBL34 START 21.213
HIERARCH ESO ISS PBL34 END 21.193
HIERARCH ESO ISS PBLA34 START 217.875
HIERARCH ESO ISS PBLA34 END 217.902
HIERARCH ESO ISS AMBI TAU0 START 0.002944
HIERARCH ESO ISS AMBI TAU0 END 0.002944
HIERARCH ESO ISS AMBI TEMP 12.54
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.49