Exposure
ID
MATIS.2025-06-25T00:44:40.240_1
Header ID
MATIS.2025-06-25T00:44:40.240
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 00:44:40.240
UTC End
2025-06-25 00:45:40.248
MJD Start
60851.0310213
MJD End
60851.03171583704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.002494
Ambient temperature (°C)
7.82
Seeing (arcsec)
0.85
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 20.4300 20.4750 131.9000 131.8000
A0-D0 22.9080 22.9570 32.4000 32.6000
A0-C1 14.4720 14.5430 100.5290 100.5740
B2-D0 33.1110 33.1080 354.9000 355.0000
B2-C1 11.0310 11.0300 354.8460 354.9950
D0-C1 22.0800 22.0780 174.8860 175.0380
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 60851.0310213
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 20.43
HIERARCH ESO ISS PBL12 END 20.475
HIERARCH ESO ISS PBLA12 START 131.9
HIERARCH ESO ISS PBLA12 END 131.8
HIERARCH ESO ISS PBL13 START 22.908
HIERARCH ESO ISS PBL13 END 22.957
HIERARCH ESO ISS PBLA13 START 32.4
HIERARCH ESO ISS PBLA13 END 32.6
HIERARCH ESO ISS PBL14 START 14.472
HIERARCH ESO ISS PBL14 END 14.543
HIERARCH ESO ISS PBLA14 START 100.529
HIERARCH ESO ISS PBLA14 END 100.574
HIERARCH ESO ISS PBL23 START 33.111
HIERARCH ESO ISS PBL23 END 33.108
HIERARCH ESO ISS PBLA23 START 354.9
HIERARCH ESO ISS PBLA23 END 355.0
HIERARCH ESO ISS PBL24 START 11.031
HIERARCH ESO ISS PBL24 END 11.03
HIERARCH ESO ISS PBLA24 START 354.846
HIERARCH ESO ISS PBLA24 END 354.995
HIERARCH ESO ISS PBL34 START 22.08
HIERARCH ESO ISS PBL34 END 22.078
HIERARCH ESO ISS PBLA34 START 174.886
HIERARCH ESO ISS PBLA34 END 175.038
HIERARCH ESO ISS AMBI TAU0 START 0.002494
HIERARCH ESO ISS AMBI TAU0 END 0.002494
HIERARCH ESO ISS AMBI TEMP 7.82
HIERARCH ESO ISS AMBI FWHM START 0.87
HIERARCH ESO ISS AMBI FWHM END 0.83