Exposure
ID
MATIS.2025-07-17T06:22:16.461_1
Header ID
MATIS.2025-07-17T06:22:16.461
Date updated
2025-07-17 06:31:02 UTC+0000
Release date
2026-07-17 06:31:01 UTC+0000
UTC Start
2025-07-17 06:22:16.461
UTC End
2025-07-17 06:23:16.469
MJD Start
60873.2654683
MJD End
60873.26616283704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004155
Ambient temperature (°C)
13.73
Seeing (arcsec)
0.83
Observation
ID
68120
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 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 73.6440 73.5200 145.2000 145.4000
A0-J2 94.3010 93.9740 116.7000 116.9000
A0-K0 93.9060 93.5470 86.7400 86.8250
G1-J2 45.9590 45.8230 66.8000 66.8000
G1-K0 83.7150 83.6270 38.1670 38.1870
J2-K0 48.6290 48.6300 11.2610 11.3650
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 60873.2654683
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 73.644
HIERARCH ESO ISS PBL12 END 73.52
HIERARCH ESO ISS PBLA12 START 145.2
HIERARCH ESO ISS PBLA12 END 145.4
HIERARCH ESO ISS PBL13 START 94.301
HIERARCH ESO ISS PBL13 END 93.974
HIERARCH ESO ISS PBLA13 START 116.7
HIERARCH ESO ISS PBLA13 END 116.9
HIERARCH ESO ISS PBL14 START 93.906
HIERARCH ESO ISS PBL14 END 93.547
HIERARCH ESO ISS PBLA14 START 86.74
HIERARCH ESO ISS PBLA14 END 86.825
HIERARCH ESO ISS PBL23 START 45.959
HIERARCH ESO ISS PBL23 END 45.823
HIERARCH ESO ISS PBLA23 START 66.8
HIERARCH ESO ISS PBLA23 END 66.8
HIERARCH ESO ISS PBL24 START 83.715
HIERARCH ESO ISS PBL24 END 83.627
HIERARCH ESO ISS PBLA24 START 38.167
HIERARCH ESO ISS PBLA24 END 38.187
HIERARCH ESO ISS PBL34 START 48.629
HIERARCH ESO ISS PBL34 END 48.63
HIERARCH ESO ISS PBLA34 START 11.261
HIERARCH ESO ISS PBLA34 END 11.365
HIERARCH ESO ISS AMBI TAU0 START 0.004155
HIERARCH ESO ISS AMBI TAU0 END 0.004155
HIERARCH ESO ISS AMBI TEMP 13.73
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.83