Exposure
ID
MATIS.2025-08-16T04:43:38.873_1
Header ID
MATIS.2025-08-16T04:43:38.873
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 04:43:38.873
UTC End
2025-08-16 04:44:38.881
MJD Start
60903.1969777
MJD End
60903.19767223704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0023385
Ambient temperature (°C)
9.43
Seeing (arcsec)
1.0750000000000002
Observation
ID
68183
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
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 46.3280 46.1460 298.9000 299.1000
K0-D0 65.1200 64.8290 268.4000 268.5000
K0-J3 54.9480 54.9490 1.2620 1.4170
G2-D0 34.4780 34.4180 225.4000 225.4000
G2-J3 52.9600 52.8400 52.0780 52.0740
D0-J3 87.2940 87.1150 49.4310 49.4270
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 60903.1969777
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016859
DEC -22.22406
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME LOW
HIERARCH ESO INS DIN 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 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 46.328
HIERARCH ESO ISS PBL12 END 46.146
HIERARCH ESO ISS PBLA12 START 298.9
HIERARCH ESO ISS PBLA12 END 299.1
HIERARCH ESO ISS PBL13 START 65.12
HIERARCH ESO ISS PBL13 END 64.829
HIERARCH ESO ISS PBLA13 START 268.4
HIERARCH ESO ISS PBLA13 END 268.5
HIERARCH ESO ISS PBL14 START 54.948
HIERARCH ESO ISS PBL14 END 54.949
HIERARCH ESO ISS PBLA14 START 1.262
HIERARCH ESO ISS PBLA14 END 1.417
HIERARCH ESO ISS PBL23 START 34.478
HIERARCH ESO ISS PBL23 END 34.418
HIERARCH ESO ISS PBLA23 START 225.4
HIERARCH ESO ISS PBLA23 END 225.4
HIERARCH ESO ISS PBL24 START 52.96
HIERARCH ESO ISS PBL24 END 52.84
HIERARCH ESO ISS PBLA24 START 52.078
HIERARCH ESO ISS PBLA24 END 52.074
HIERARCH ESO ISS PBL34 START 87.294
HIERARCH ESO ISS PBL34 END 87.115
HIERARCH ESO ISS PBLA34 START 49.431
HIERARCH ESO ISS PBLA34 END 49.427
HIERARCH ESO ISS AMBI TAU0 START 0.002231
HIERARCH ESO ISS AMBI TAU0 END 0.002446
HIERARCH ESO ISS AMBI TEMP 9.43
HIERARCH ESO ISS AMBI FWHM START 1.05
HIERARCH ESO ISS AMBI FWHM END 1.1