Exposure
ID
MATIS.2025-08-16T01:54:57.470_1
Header ID
MATIS.2025-08-16T01:54:57.470
Date updated
2025-08-16 02:00:43 UTC+0000
Release date
2026-08-16 02:00:42 UTC+0000
UTC Start
2025-08-16 01:54:57.470
UTC End
2025-08-16 01:55:57.478
MJD Start
60903.07983183
MJD End
60903.08052636704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.00229
Ambient temperature (°C)
9.29
Seeing (arcsec)
0.88
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 67.3300 67.2810 275.7000 275.8000
K0-D0 94.8880 94.8300 254.9000 255.0000
K0-J3 56.2240 56.2140 337.5890 337.7050
G2-D0 39.8980 39.8910 218.1000 218.2000
G2-J3 64.2670 64.2500 45.1540 45.2320
D0-J3 103.9770 103.9540 42.4420 42.5200
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 60903.07983183
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 67.33
HIERARCH ESO ISS PBL12 END 67.281
HIERARCH ESO ISS PBLA12 START 275.7
HIERARCH ESO ISS PBLA12 END 275.8
HIERARCH ESO ISS PBL13 START 94.888
HIERARCH ESO ISS PBL13 END 94.83
HIERARCH ESO ISS PBLA13 START 254.9
HIERARCH ESO ISS PBLA13 END 255.0
HIERARCH ESO ISS PBL14 START 56.224
HIERARCH ESO ISS PBL14 END 56.214
HIERARCH ESO ISS PBLA14 START 337.589
HIERARCH ESO ISS PBLA14 END 337.705
HIERARCH ESO ISS PBL23 START 39.898
HIERARCH ESO ISS PBL23 END 39.891
HIERARCH ESO ISS PBLA23 START 218.1
HIERARCH ESO ISS PBLA23 END 218.2
HIERARCH ESO ISS PBL24 START 64.267
HIERARCH ESO ISS PBL24 END 64.25
HIERARCH ESO ISS PBLA24 START 45.154
HIERARCH ESO ISS PBLA24 END 45.232
HIERARCH ESO ISS PBL34 START 103.977
HIERARCH ESO ISS PBL34 END 103.954
HIERARCH ESO ISS PBLA34 START 42.442
HIERARCH ESO ISS PBLA34 END 42.52
HIERARCH ESO ISS AMBI TAU0 START 0.00229
HIERARCH ESO ISS AMBI TAU0 END 0.00229
HIERARCH ESO ISS AMBI TEMP 9.29
HIERARCH ESO ISS AMBI FWHM START 0.88
HIERARCH ESO ISS AMBI FWHM END 0.88