Exposure
ID
MATIS.2025-08-16T04:38:43.366_1
Header ID
MATIS.2025-08-16T04:38:43.366
Date updated
2025-08-16 04:45:36 UTC+0000
Release date
2026-08-16 04:45:35 UTC+0000
UTC Start
2025-08-16 04:38:43.366
UTC End
2025-08-16 04:39:43.426
MJD Start
60903.19355748
MJD End
60903.19425261889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.002231
Ambient temperature (°C)
9.52
Seeing (arcsec)
1.17
Observation
ID
68182
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
50684
Name
V VX Sgr
RA
272.016859
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 47.2040 47.0240 297.8000 298.1000
K0-D0 66.5140 66.2290 268.0000 268.0000
K0-J3 54.9440 54.9440 0.5150 0.6700
G2-D0 34.7620 34.7040 225.4000 225.4000
G2-J3 53.5340 53.4160 52.0910 52.0900
D0-J3 88.1500 87.9750 49.4410 49.4410
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 60903.19355748
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016859
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 47.204
HIERARCH ESO ISS PBL12 END 47.024
HIERARCH ESO ISS PBLA12 START 297.8
HIERARCH ESO ISS PBLA12 END 298.1
HIERARCH ESO ISS PBL13 START 66.514
HIERARCH ESO ISS PBL13 END 66.229
HIERARCH ESO ISS PBLA13 START 268.0
HIERARCH ESO ISS PBLA13 END 268.0
HIERARCH ESO ISS PBL14 START 54.944
HIERARCH ESO ISS PBL14 END 54.944
HIERARCH ESO ISS PBLA14 START 0.515
HIERARCH ESO ISS PBLA14 END 0.67
HIERARCH ESO ISS PBL23 START 34.762
HIERARCH ESO ISS PBL23 END 34.704
HIERARCH ESO ISS PBLA23 START 225.4
HIERARCH ESO ISS PBLA23 END 225.4
HIERARCH ESO ISS PBL24 START 53.534
HIERARCH ESO ISS PBL24 END 53.416
HIERARCH ESO ISS PBLA24 START 52.091
HIERARCH ESO ISS PBLA24 END 52.09
HIERARCH ESO ISS PBL34 START 88.15
HIERARCH ESO ISS PBL34 END 87.975
HIERARCH ESO ISS PBLA34 START 49.441
HIERARCH ESO ISS PBLA34 END 49.441
HIERARCH ESO ISS AMBI TAU0 START 0.002231
HIERARCH ESO ISS AMBI TAU0 END 0.002231
HIERARCH ESO ISS AMBI TEMP 9.52
HIERARCH ESO ISS AMBI FWHM START 1.17
HIERARCH ESO ISS AMBI FWHM END 1.17