Exposure
ID
MATIS.2025-08-14T03:15:09.096_1
Header ID
MATIS.2025-08-14T03:15:09.096
Date updated
2025-08-14 03:25:54 UTC+0000
Release date
2026-08-14 03:25:54 UTC+0000
UTC Start
2025-08-14 03:15:09.096
UTC End
2025-08-14 03:16:09.156
MJD Start
60901.13552195
MJD End
60901.13621708888
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.00634
Ambient temperature (°C)
14.41
Seeing (arcsec)
0.865
Observation
ID
69985
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
51926
Name
V VX Sgr
RA
272.016259
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
K0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-B2 112.7840 112.6020 248.6000 248.6000
K0-D0 86.9590 86.7930 260.7000 260.8000
K0-J3 55.4450 55.4350 346.9930 347.1360
B2-D0 33.2450 33.2280 35.2000 35.3000
B2-J3 132.7710 132.6660 44.1670 44.2170
D0-J3 100.0660 99.9760 47.1320 47.1810
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 60901.13552195
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016259
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 112.784
HIERARCH ESO ISS PBL12 END 112.602
HIERARCH ESO ISS PBLA12 START 248.6
HIERARCH ESO ISS PBLA12 END 248.6
HIERARCH ESO ISS PBL13 START 86.959
HIERARCH ESO ISS PBL13 END 86.793
HIERARCH ESO ISS PBLA13 START 260.7
HIERARCH ESO ISS PBLA13 END 260.8
HIERARCH ESO ISS PBL14 START 55.445
HIERARCH ESO ISS PBL14 END 55.435
HIERARCH ESO ISS PBLA14 START 346.993
HIERARCH ESO ISS PBLA14 END 347.136
HIERARCH ESO ISS PBL23 START 33.245
HIERARCH ESO ISS PBL23 END 33.228
HIERARCH ESO ISS PBLA23 START 35.2
HIERARCH ESO ISS PBLA23 END 35.3
HIERARCH ESO ISS PBL24 START 132.771
HIERARCH ESO ISS PBL24 END 132.666
HIERARCH ESO ISS PBLA24 START 44.167
HIERARCH ESO ISS PBLA24 END 44.217
HIERARCH ESO ISS PBL34 START 100.066
HIERARCH ESO ISS PBL34 END 99.976
HIERARCH ESO ISS PBLA34 START 47.132
HIERARCH ESO ISS PBLA34 END 47.181
HIERARCH ESO ISS AMBI TAU0 START 0.00634
HIERARCH ESO ISS AMBI TAU0 END 0.00634
HIERARCH ESO ISS AMBI TEMP 14.41
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.95