Exposure
ID
MATIS.2025-08-16T04:46:04.379_1
Header ID
MATIS.2025-08-16T04:46:04.379
Date updated
2025-08-16 04:50:37 UTC+0000
Release date
2026-08-16 04:50:37 UTC+0000
UTC Start
2025-08-16 04:46:04.379
UTC End
2025-08-16 04:47:04.439
MJD Start
60903.19866179
MJD End
60903.19935692888
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.002446
Ambient temperature (°C)
9.4
Seeing (arcsec)
1.1
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 45.8970 45.7150 299.4000 299.6000
K0-D0 64.4270 64.1340 268.6000 268.7000
K0-J3 54.9510 54.9530 1.6290 1.7820
G2-D0 34.3360 34.2760 225.4000 225.4000
G2-J3 52.6740 52.5530 52.0660 52.0590
D0-J3 86.8670 86.6870 49.4200 49.4130
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 60903.19866179
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 45.897
HIERARCH ESO ISS PBL12 END 45.715
HIERARCH ESO ISS PBLA12 START 299.4
HIERARCH ESO ISS PBLA12 END 299.6
HIERARCH ESO ISS PBL13 START 64.427
HIERARCH ESO ISS PBL13 END 64.134
HIERARCH ESO ISS PBLA13 START 268.6
HIERARCH ESO ISS PBLA13 END 268.7
HIERARCH ESO ISS PBL14 START 54.951
HIERARCH ESO ISS PBL14 END 54.953
HIERARCH ESO ISS PBLA14 START 1.629
HIERARCH ESO ISS PBLA14 END 1.782
HIERARCH ESO ISS PBL23 START 34.336
HIERARCH ESO ISS PBL23 END 34.276
HIERARCH ESO ISS PBLA23 START 225.4
HIERARCH ESO ISS PBLA23 END 225.4
HIERARCH ESO ISS PBL24 START 52.674
HIERARCH ESO ISS PBL24 END 52.553
HIERARCH ESO ISS PBLA24 START 52.066
HIERARCH ESO ISS PBLA24 END 52.059
HIERARCH ESO ISS PBL34 START 86.867
HIERARCH ESO ISS PBL34 END 86.687
HIERARCH ESO ISS PBLA34 START 49.42
HIERARCH ESO ISS PBLA34 END 49.413
HIERARCH ESO ISS AMBI TAU0 START 0.002446
HIERARCH ESO ISS AMBI TAU0 END 0.002446
HIERARCH ESO ISS AMBI TEMP 9.4
HIERARCH ESO ISS AMBI FWHM START 1.1
HIERARCH ESO ISS AMBI FWHM END 1.1