Exposure
ID
MATIS.2025-06-21T07:31:50.627_1
Header ID
MATIS.2025-06-21T07:31:50.627
Date updated
2025-06-21 07:40:46 UTC+0000
Release date
2026-06-21 07:40:46 UTC+0000
UTC Start
2025-06-21 07:31:50.627
UTC End
2025-06-21 07:32:50.635
MJD Start
60847.3137804
MJD End
60847.31447493704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003126
Ambient temperature (°C)
11.19
Seeing (arcsec)
0.52
Observation
ID
68183
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
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 55.0740 54.9170 289.5000 289.7000
K0-D0 78.3870 78.1590 264.1000 264.2000
K0-J3 55.0770 55.0710 353.4270 353.5780
G2-D0 37.1050 37.0610 224.6000 224.6000
G2-J3 58.3080 58.2190 51.4680 51.4950
D0-J3 95.2510 95.1190 48.8060 48.8330
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 60847.3137804
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016859
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 55.074
HIERARCH ESO ISS PBL12 END 54.917
HIERARCH ESO ISS PBLA12 START 289.5
HIERARCH ESO ISS PBLA12 END 289.7
HIERARCH ESO ISS PBL13 START 78.387
HIERARCH ESO ISS PBL13 END 78.159
HIERARCH ESO ISS PBLA13 START 264.1
HIERARCH ESO ISS PBLA13 END 264.2
HIERARCH ESO ISS PBL14 START 55.077
HIERARCH ESO ISS PBL14 END 55.071
HIERARCH ESO ISS PBLA14 START 353.427
HIERARCH ESO ISS PBLA14 END 353.578
HIERARCH ESO ISS PBL23 START 37.105
HIERARCH ESO ISS PBL23 END 37.061
HIERARCH ESO ISS PBLA23 START 224.6
HIERARCH ESO ISS PBLA23 END 224.6
HIERARCH ESO ISS PBL24 START 58.308
HIERARCH ESO ISS PBL24 END 58.219
HIERARCH ESO ISS PBLA24 START 51.468
HIERARCH ESO ISS PBLA24 END 51.495
HIERARCH ESO ISS PBL34 START 95.251
HIERARCH ESO ISS PBL34 END 95.119
HIERARCH ESO ISS PBLA34 START 48.806
HIERARCH ESO ISS PBLA34 END 48.833
HIERARCH ESO ISS AMBI TAU0 START 0.003126
HIERARCH ESO ISS AMBI TAU0 END 0.003126
HIERARCH ESO ISS AMBI TEMP 11.19
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.52