Exposure
ID
MATIS.2025-08-16T04:44:52.147_1
Header ID
MATIS.2025-08-16T04:44:52.147
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 04:44:52.147
UTC End
2025-08-16 04:45:52.207
MJD Start
60903.19782577
MJD End
60903.19852090889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.002446
Ambient temperature (°C)
9.32
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 46.1110 45.9290 299.2000 299.4000
K0-D0 64.7720 64.4800 268.5000 268.6000
K0-J3 54.9500 54.9510 1.4470 1.6000
G2-D0 34.4060 34.3470 225.4000 225.4000
G2-J3 52.8160 52.6960 52.0730 52.0660
D0-J3 87.0800 86.9000 49.4260 49.4200
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 60903.19782577
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 46.111
HIERARCH ESO ISS PBL12 END 45.929
HIERARCH ESO ISS PBLA12 START 299.2
HIERARCH ESO ISS PBLA12 END 299.4
HIERARCH ESO ISS PBL13 START 64.772
HIERARCH ESO ISS PBL13 END 64.48
HIERARCH ESO ISS PBLA13 START 268.5
HIERARCH ESO ISS PBLA13 END 268.6
HIERARCH ESO ISS PBL14 START 54.95
HIERARCH ESO ISS PBL14 END 54.951
HIERARCH ESO ISS PBLA14 START 1.447
HIERARCH ESO ISS PBLA14 END 1.6
HIERARCH ESO ISS PBL23 START 34.406
HIERARCH ESO ISS PBL23 END 34.347
HIERARCH ESO ISS PBLA23 START 225.4
HIERARCH ESO ISS PBLA23 END 225.4
HIERARCH ESO ISS PBL24 START 52.816
HIERARCH ESO ISS PBL24 END 52.696
HIERARCH ESO ISS PBLA24 START 52.073
HIERARCH ESO ISS PBLA24 END 52.066
HIERARCH ESO ISS PBL34 START 87.08
HIERARCH ESO ISS PBL34 END 86.9
HIERARCH ESO ISS PBLA34 START 49.426
HIERARCH ESO ISS PBLA34 END 49.42
HIERARCH ESO ISS AMBI TAU0 START 0.002446
HIERARCH ESO ISS AMBI TAU0 END 0.002446
HIERARCH ESO ISS AMBI TEMP 9.32
HIERARCH ESO ISS AMBI FWHM START 1.1
HIERARCH ESO ISS AMBI FWHM END 1.1