Exposure
ID
MATIS.2025-06-21T07:29:24.686_1
Header ID
MATIS.2025-06-21T07:29:24.686
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 07:29:24.686
UTC End
2025-06-21 07:30:24.694
MJD Start
60847.31209127
MJD End
60847.312785807044
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0033935
Ambient temperature (°C)
11.25
Seeing (arcsec)
0.495
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 55.4480 55.2920 289.1000 289.3000
K0-D0 78.9260 78.7010 263.9000 264.0000
K0-J3 55.0920 55.0850 353.0650 353.2160
G2-D0 37.2070 37.1640 224.6000 224.6000
G2-J3 58.5190 58.4310 51.4020 51.4300
D0-J3 95.5630 95.4330 48.7400 48.7680
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 60847.31209127
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 55.448
HIERARCH ESO ISS PBL12 END 55.292
HIERARCH ESO ISS PBLA12 START 289.1
HIERARCH ESO ISS PBLA12 END 289.3
HIERARCH ESO ISS PBL13 START 78.926
HIERARCH ESO ISS PBL13 END 78.701
HIERARCH ESO ISS PBLA13 START 263.9
HIERARCH ESO ISS PBLA13 END 264.0
HIERARCH ESO ISS PBL14 START 55.092
HIERARCH ESO ISS PBL14 END 55.085
HIERARCH ESO ISS PBLA14 START 353.065
HIERARCH ESO ISS PBLA14 END 353.216
HIERARCH ESO ISS PBL23 START 37.207
HIERARCH ESO ISS PBL23 END 37.164
HIERARCH ESO ISS PBLA23 START 224.6
HIERARCH ESO ISS PBLA23 END 224.6
HIERARCH ESO ISS PBL24 START 58.519
HIERARCH ESO ISS PBL24 END 58.431
HIERARCH ESO ISS PBLA24 START 51.402
HIERARCH ESO ISS PBLA24 END 51.43
HIERARCH ESO ISS PBL34 START 95.563
HIERARCH ESO ISS PBL34 END 95.433
HIERARCH ESO ISS PBLA34 START 48.74
HIERARCH ESO ISS PBLA34 END 48.768
HIERARCH ESO ISS AMBI TAU0 START 0.003199
HIERARCH ESO ISS AMBI TAU0 END 0.003588
HIERARCH ESO ISS AMBI TEMP 11.25
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.46