Exposure
ID
MATIS.2025-07-16T04:26:03.355_1
Header ID
MATIS.2025-07-16T04:26:03.355
Date updated
2025-07-16 04:35:49 UTC+0000
Release date
2026-07-16 04:35:49 UTC+0000
UTC Start
2025-07-16 04:26:03.355
UTC End
2025-07-16 04:27:03.319
MJD Start
60872.18476105
MJD End
60872.18545507777
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003431
Ambient temperature (°C)
12.3
Seeing (arcsec)
0.8200000000000001
Observation
ID
68119
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 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 87.2260 87.1430 124.1000 124.2000
A0-J2 123.8220 123.6710 99.9000 100.0000
A0-K0 123.4920 123.3560 77.3040 77.3870
G1-J2 56.7910 56.7450 61.1000 61.1000
G1-K0 89.9890 89.9680 32.3910 32.4670
J2-K0 48.5300 48.5290 358.2360 358.3500
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 60872.18476105
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.228
HIERARCH ESO DET NDIT 263
HIERARCH ESO ISS PBL12 START 87.226
HIERARCH ESO ISS PBL12 END 87.143
HIERARCH ESO ISS PBLA12 START 124.1
HIERARCH ESO ISS PBLA12 END 124.2
HIERARCH ESO ISS PBL13 START 123.822
HIERARCH ESO ISS PBL13 END 123.671
HIERARCH ESO ISS PBLA13 START 99.9
HIERARCH ESO ISS PBLA13 END 100.0
HIERARCH ESO ISS PBL14 START 123.492
HIERARCH ESO ISS PBL14 END 123.356
HIERARCH ESO ISS PBLA14 START 77.304
HIERARCH ESO ISS PBLA14 END 77.387
HIERARCH ESO ISS PBL23 START 56.791
HIERARCH ESO ISS PBL23 END 56.745
HIERARCH ESO ISS PBLA23 START 61.1
HIERARCH ESO ISS PBLA23 END 61.1
HIERARCH ESO ISS PBL24 START 89.989
HIERARCH ESO ISS PBL24 END 89.968
HIERARCH ESO ISS PBLA24 START 32.391
HIERARCH ESO ISS PBLA24 END 32.467
HIERARCH ESO ISS PBL34 START 48.53
HIERARCH ESO ISS PBL34 END 48.529
HIERARCH ESO ISS PBLA34 START 358.236
HIERARCH ESO ISS PBLA34 END 358.35
HIERARCH ESO ISS AMBI TAU0 START 0.003483
HIERARCH ESO ISS AMBI TAU0 END 0.003379
HIERARCH ESO ISS AMBI TEMP 12.3
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.81