Exposure
ID
MATIS.2025-06-21T06:57:32.839_1
Header ID
MATIS.2025-06-21T06:57:32.839
Date updated
2025-06-21 07:05:42 UTC+0000
Release date
2026-06-21 07:05:42 UTC+0000
UTC Start
2025-06-21 06:57:32.839
UTC End
2025-06-21 06:58:32.899
MJD Start
60847.28996341
MJD End
60847.29065854889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0042165
Ambient temperature (°C)
12.16
Seeing (arcsec)
0.4
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 59.9460 59.8150 284.8000 284.9000
K0-D0 85.2500 85.0700 261.5000 261.6000
K0-J3 55.3460 55.3360 348.4210 348.5660
G2-D0 38.3690 38.3370 223.4000 223.4000
G2-J3 60.9390 60.8710 50.2670 50.3110
D0-J3 99.1360 99.0370 47.5960 47.6400
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 60847.28996341
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 59.946
HIERARCH ESO ISS PBL12 END 59.815
HIERARCH ESO ISS PBLA12 START 284.8
HIERARCH ESO ISS PBLA12 END 284.9
HIERARCH ESO ISS PBL13 START 85.25
HIERARCH ESO ISS PBL13 END 85.07
HIERARCH ESO ISS PBLA13 START 261.5
HIERARCH ESO ISS PBLA13 END 261.6
HIERARCH ESO ISS PBL14 START 55.346
HIERARCH ESO ISS PBL14 END 55.336
HIERARCH ESO ISS PBLA14 START 348.421
HIERARCH ESO ISS PBLA14 END 348.566
HIERARCH ESO ISS PBL23 START 38.369
HIERARCH ESO ISS PBL23 END 38.337
HIERARCH ESO ISS PBLA23 START 223.4
HIERARCH ESO ISS PBLA23 END 223.4
HIERARCH ESO ISS PBL24 START 60.939
HIERARCH ESO ISS PBL24 END 60.871
HIERARCH ESO ISS PBLA24 START 50.267
HIERARCH ESO ISS PBLA24 END 50.311
HIERARCH ESO ISS PBL34 START 99.136
HIERARCH ESO ISS PBL34 END 99.037
HIERARCH ESO ISS PBLA34 START 47.596
HIERARCH ESO ISS PBLA34 END 47.64
HIERARCH ESO ISS AMBI TAU0 START 0.004239
HIERARCH ESO ISS AMBI TAU0 END 0.004194
HIERARCH ESO ISS AMBI TEMP 12.16
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.4