Exposure
ID
MATIS.2025-07-25T05:27:16.347_1
Header ID
MATIS.2025-07-25T05:27:16.347
Date updated
2025-07-25 05:35:39 UTC+0000
Release date
2026-07-25 05:35:39 UTC+0000
UTC Start
2025-07-25 05:27:16.347
UTC End
2025-07-25 05:28:16.311
MJD Start
60881.22727253
MJD End
60881.22796655777
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003168
Ambient temperature (°C)
12.41
Seeing (arcsec)
0.57
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 23.8640 23.8560 166.0000 166.2000
A0-D0 25.4410 25.3620 84.8000 84.9000
A0-C1 19.1390 19.1070 140.0600 140.2670
B2-D0 32.0950 32.0680 37.6000 37.6000
B2-C1 10.6930 10.6840 37.5270 37.5580
D0-C1 21.4030 21.3840 217.5820 217.6140
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 60881.22727253
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 0.228
HIERARCH ESO DET NDIT 263
HIERARCH ESO ISS PBL12 START 23.864
HIERARCH ESO ISS PBL12 END 23.856
HIERARCH ESO ISS PBLA12 START 166.0
HIERARCH ESO ISS PBLA12 END 166.2
HIERARCH ESO ISS PBL13 START 25.441
HIERARCH ESO ISS PBL13 END 25.362
HIERARCH ESO ISS PBLA13 START 84.8
HIERARCH ESO ISS PBLA13 END 84.9
HIERARCH ESO ISS PBL14 START 19.139
HIERARCH ESO ISS PBL14 END 19.107
HIERARCH ESO ISS PBLA14 START 140.06
HIERARCH ESO ISS PBLA14 END 140.267
HIERARCH ESO ISS PBL23 START 32.095
HIERARCH ESO ISS PBL23 END 32.068
HIERARCH ESO ISS PBLA23 START 37.6
HIERARCH ESO ISS PBLA23 END 37.6
HIERARCH ESO ISS PBL24 START 10.693
HIERARCH ESO ISS PBL24 END 10.684
HIERARCH ESO ISS PBLA24 START 37.527
HIERARCH ESO ISS PBLA24 END 37.558
HIERARCH ESO ISS PBL34 START 21.403
HIERARCH ESO ISS PBL34 END 21.384
HIERARCH ESO ISS PBLA34 START 217.582
HIERARCH ESO ISS PBLA34 END 217.614
HIERARCH ESO ISS AMBI TAU0 START 0.003168
HIERARCH ESO ISS AMBI TAU0 END 0.003168
HIERARCH ESO ISS AMBI TEMP 12.41
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57