Exposure
ID
MATIS.2025-07-17T06:16:03.558_1
Header ID
MATIS.2025-07-17T06:16:03.558
Date updated
2025-07-17 06:21:01 UTC+0000
Release date
2026-07-17 06:21:00 UTC+0000
UTC Start
2025-07-17 06:16:03.558
UTC End
2025-07-17 06:17:03.522
MJD Start
60873.26115229
MJD End
60873.26184631777
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0044015
Ambient temperature (°C)
13.84
Seeing (arcsec)
0.815
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 74.4050 74.2820 143.8000 144.0000
A0-J2 96.2750 95.9590 115.5000 115.7000
A0-K0 96.0610 95.7180 86.2310 86.3130
G1-J2 46.7730 46.6440 66.6000 66.6000
G1-K0 84.2380 84.1550 38.0330 38.0560
J2-K0 48.6210 48.6230 10.6270 10.7300
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 60873.26115229
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 74.405
HIERARCH ESO ISS PBL12 END 74.282
HIERARCH ESO ISS PBLA12 START 143.8
HIERARCH ESO ISS PBLA12 END 144.0
HIERARCH ESO ISS PBL13 START 96.275
HIERARCH ESO ISS PBL13 END 95.959
HIERARCH ESO ISS PBLA13 START 115.5
HIERARCH ESO ISS PBLA13 END 115.7
HIERARCH ESO ISS PBL14 START 96.061
HIERARCH ESO ISS PBL14 END 95.718
HIERARCH ESO ISS PBLA14 START 86.231
HIERARCH ESO ISS PBLA14 END 86.313
HIERARCH ESO ISS PBL23 START 46.773
HIERARCH ESO ISS PBL23 END 46.644
HIERARCH ESO ISS PBLA23 START 66.6
HIERARCH ESO ISS PBLA23 END 66.6
HIERARCH ESO ISS PBL24 START 84.238
HIERARCH ESO ISS PBL24 END 84.155
HIERARCH ESO ISS PBLA24 START 38.033
HIERARCH ESO ISS PBLA24 END 38.056
HIERARCH ESO ISS PBL34 START 48.621
HIERARCH ESO ISS PBL34 END 48.623
HIERARCH ESO ISS PBLA34 START 10.627
HIERARCH ESO ISS PBLA34 END 10.73
HIERARCH ESO ISS AMBI TAU0 START 0.004362
HIERARCH ESO ISS AMBI TAU0 END 0.004441
HIERARCH ESO ISS AMBI TEMP 13.84
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.82