Exposure
ID
MATIS.2025-06-25T00:47:22.942_1
Header ID
MATIS.2025-06-25T00:47:22.942
Date updated
2025-06-25 00:55:43 UTC+0000
Release date
2026-06-25 00:55:43 UTC+0000
UTC Start
2025-06-25 00:47:22.942
UTC End
2025-06-25 00:48:22.950
MJD Start
60851.03290442
MJD End
60851.03359895704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.002345
Ambient temperature (°C)
7.92
Seeing (arcsec)
0.9199999999999999
Observation
ID
68242
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
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 20.5510 20.5970 131.8000 131.8000
A0-D0 23.0400 23.0900 33.1000 33.4000
A0-C1 14.6600 14.7290 100.6490 100.6940
B2-D0 33.1040 33.1020 355.3000 355.4000
B2-C1 11.0290 11.0280 355.2440 355.3930
D0-C1 22.0750 22.0740 175.2850 175.4340
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 60851.03290442
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.015659
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 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 20.551
HIERARCH ESO ISS PBL12 END 20.597
HIERARCH ESO ISS PBLA12 START 131.8
HIERARCH ESO ISS PBLA12 END 131.8
HIERARCH ESO ISS PBL13 START 23.04
HIERARCH ESO ISS PBL13 END 23.09
HIERARCH ESO ISS PBLA13 START 33.1
HIERARCH ESO ISS PBLA13 END 33.4
HIERARCH ESO ISS PBL14 START 14.66
HIERARCH ESO ISS PBL14 END 14.729
HIERARCH ESO ISS PBLA14 START 100.649
HIERARCH ESO ISS PBLA14 END 100.694
HIERARCH ESO ISS PBL23 START 33.104
HIERARCH ESO ISS PBL23 END 33.102
HIERARCH ESO ISS PBLA23 START 355.3
HIERARCH ESO ISS PBLA23 END 355.4
HIERARCH ESO ISS PBL24 START 11.029
HIERARCH ESO ISS PBL24 END 11.028
HIERARCH ESO ISS PBLA24 START 355.244
HIERARCH ESO ISS PBLA24 END 355.393
HIERARCH ESO ISS PBL34 START 22.075
HIERARCH ESO ISS PBL34 END 22.074
HIERARCH ESO ISS PBLA34 START 175.285
HIERARCH ESO ISS PBLA34 END 175.434
HIERARCH ESO ISS AMBI TAU0 START 0.002345
HIERARCH ESO ISS AMBI TAU0 END 0.002345
HIERARCH ESO ISS AMBI TEMP 7.92
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 1.01