Exposure
ID
MATIS.2025-06-27T03:54:45.888_1
Header ID
MATIS.2025-06-27T03:54:45.888
Date updated
2025-06-27 04:00:47 UTC+0000
Release date
2026-06-27 04:00:46 UTC+0000
UTC Start
2025-06-27 03:54:45.888
UTC End
2025-06-27 03:55:45.852
MJD Start
60853.16303111
MJD End
60853.163725137776
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0016944999999999998
Ambient temperature (°C)
5.86
Seeing (arcsec)
0.915
Observation
ID
68241
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 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.2620 25.2650 139.4000 139.4000
A0-D0 31.6750 31.6920 67.6000 67.7000
A0-C1 22.4920 22.5010 112.8990 112.9860
B2-D0 33.7820 33.7870 22.3000 22.4000
B2-C1 11.2530 11.2550 22.2600 22.3770
D0-C1 22.5290 22.5320 202.3240 202.4400
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 60853.16303111
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.228
HIERARCH ESO DET NDIT 263
HIERARCH ESO ISS PBL12 START 25.262
HIERARCH ESO ISS PBL12 END 25.265
HIERARCH ESO ISS PBLA12 START 139.4
HIERARCH ESO ISS PBLA12 END 139.4
HIERARCH ESO ISS PBL13 START 31.675
HIERARCH ESO ISS PBL13 END 31.692
HIERARCH ESO ISS PBLA13 START 67.6
HIERARCH ESO ISS PBLA13 END 67.7
HIERARCH ESO ISS PBL14 START 22.492
HIERARCH ESO ISS PBL14 END 22.501
HIERARCH ESO ISS PBLA14 START 112.899
HIERARCH ESO ISS PBLA14 END 112.986
HIERARCH ESO ISS PBL23 START 33.782
HIERARCH ESO ISS PBL23 END 33.787
HIERARCH ESO ISS PBLA23 START 22.3
HIERARCH ESO ISS PBLA23 END 22.4
HIERARCH ESO ISS PBL24 START 11.253
HIERARCH ESO ISS PBL24 END 11.255
HIERARCH ESO ISS PBLA24 START 22.26
HIERARCH ESO ISS PBLA24 END 22.377
HIERARCH ESO ISS PBL34 START 22.529
HIERARCH ESO ISS PBL34 END 22.532
HIERARCH ESO ISS PBLA34 START 202.324
HIERARCH ESO ISS PBLA34 END 202.44
HIERARCH ESO ISS AMBI TAU0 START 0.001702
HIERARCH ESO ISS AMBI TAU0 END 0.001687
HIERARCH ESO ISS AMBI TEMP 5.86
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.94