Exposure
ID
MATIS.2025-06-21T07:21:11.423_1
Header ID
MATIS.2025-06-21T07:21:11.423
Date updated
2025-06-21 07:30:48 UTC+0000
Release date
2026-06-21 07:30:48 UTC+0000
UTC Start
2025-06-21 07:21:11.423
UTC End
2025-06-21 07:22:11.387
MJD Start
60847.30638221
MJD End
60847.307076237776
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0032775
Ambient temperature (°C)
11.64
Seeing (arcsec)
0.55
Observation
ID
68182
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
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 56.6810 56.5330 287.9000 288.1000
K0-D0 80.6880 80.4750 263.3000 263.4000
K0-J3 55.1470 55.1400 351.8510 352.0010
G2-D0 37.5380 37.4980 224.3000 224.3000
G2-J3 59.2040 59.1210 51.1580 51.1900
D0-J3 96.5760 96.4540 48.4930 48.5260
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 60847.30638221
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016859
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.228
HIERARCH ESO DET NDIT 263
HIERARCH ESO ISS PBL12 START 56.681
HIERARCH ESO ISS PBL12 END 56.533
HIERARCH ESO ISS PBLA12 START 287.9
HIERARCH ESO ISS PBLA12 END 288.1
HIERARCH ESO ISS PBL13 START 80.688
HIERARCH ESO ISS PBL13 END 80.475
HIERARCH ESO ISS PBLA13 START 263.3
HIERARCH ESO ISS PBLA13 END 263.4
HIERARCH ESO ISS PBL14 START 55.147
HIERARCH ESO ISS PBL14 END 55.14
HIERARCH ESO ISS PBLA14 START 351.851
HIERARCH ESO ISS PBLA14 END 352.001
HIERARCH ESO ISS PBL23 START 37.538
HIERARCH ESO ISS PBL23 END 37.498
HIERARCH ESO ISS PBLA23 START 224.3
HIERARCH ESO ISS PBLA23 END 224.3
HIERARCH ESO ISS PBL24 START 59.204
HIERARCH ESO ISS PBL24 END 59.121
HIERARCH ESO ISS PBLA24 START 51.158
HIERARCH ESO ISS PBLA24 END 51.19
HIERARCH ESO ISS PBL34 START 96.576
HIERARCH ESO ISS PBL34 END 96.454
HIERARCH ESO ISS PBLA34 START 48.493
HIERARCH ESO ISS PBLA34 END 48.526
HIERARCH ESO ISS AMBI TAU0 START 0.002589
HIERARCH ESO ISS AMBI TAU0 END 0.003966
HIERARCH ESO ISS AMBI TEMP 11.64
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.53