Exposure
ID
MATIS.2025-07-25T05:41:04.220_1
Header ID
MATIS.2025-07-25T05:41:04.220
Date updated
2025-07-25 05:50:57 UTC+0000
Release date
2026-07-25 05:50:57 UTC+0000
UTC Start
2025-07-25 05:41:04.220
UTC End
2025-07-25 05:42:04.228
MJD Start
60881.2368544
MJD End
60881.23754893704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0030445000000000003
Ambient temperature (°C)
12.45
Seeing (arcsec)
0.55
Observation
ID
68242
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 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 23.7590 23.7520 168.4000 168.6000
A0-D0 24.3210 24.2360 85.9000 86.0000
A0-C1 18.7080 18.6770 143.0090 143.2300
B2-D0 31.6990 31.6690 38.0000 38.0000
B2-C1 10.5610 10.5510 37.9180 37.9430
D0-C1 21.1380 21.1180 217.9720 217.9970
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 60881.2368544
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 23.759
HIERARCH ESO ISS PBL12 END 23.752
HIERARCH ESO ISS PBLA12 START 168.4
HIERARCH ESO ISS PBLA12 END 168.6
HIERARCH ESO ISS PBL13 START 24.321
HIERARCH ESO ISS PBL13 END 24.236
HIERARCH ESO ISS PBLA13 START 85.9
HIERARCH ESO ISS PBLA13 END 86.0
HIERARCH ESO ISS PBL14 START 18.708
HIERARCH ESO ISS PBL14 END 18.677
HIERARCH ESO ISS PBLA14 START 143.009
HIERARCH ESO ISS PBLA14 END 143.23
HIERARCH ESO ISS PBL23 START 31.699
HIERARCH ESO ISS PBL23 END 31.669
HIERARCH ESO ISS PBLA23 START 38.0
HIERARCH ESO ISS PBLA23 END 38.0
HIERARCH ESO ISS PBL24 START 10.561
HIERARCH ESO ISS PBL24 END 10.551
HIERARCH ESO ISS PBLA24 START 37.918
HIERARCH ESO ISS PBLA24 END 37.943
HIERARCH ESO ISS PBL34 START 21.138
HIERARCH ESO ISS PBL34 END 21.118
HIERARCH ESO ISS PBLA34 START 217.972
HIERARCH ESO ISS PBLA34 END 217.997
HIERARCH ESO ISS AMBI TAU0 START 0.002882
HIERARCH ESO ISS AMBI TAU0 END 0.003207
HIERARCH ESO ISS AMBI TEMP 12.45
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.55