Exposure
ID
MATIS.2025-07-25T05:27:17.086_1
Header ID
MATIS.2025-07-25T05:27:17.086
Date updated
2025-07-25 05:35:39 UTC+0000
Release date
2026-07-25 05:35:39 UTC+0000
UTC Start
2025-07-25 05:27:17.086
UTC End
2025-07-25 05:28:17.094
MJD Start
60881.22728109
MJD End
60881.22797562704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003168
Ambient temperature (°C)
12.41
Seeing (arcsec)
0.57
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 23.8640 23.8560 166.0000 166.2000
A0-D0 25.4410 25.3610 84.8000 84.9000
A0-C1 19.1390 19.1070 140.0600 140.2710
B2-D0 32.0950 32.0670 37.6000 37.6000
B2-C1 10.6930 10.6830 37.5270 37.5590
D0-C1 21.4030 21.3840 217.5820 217.6140
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 60881.22728109
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 23.864
HIERARCH ESO ISS PBL12 END 23.856
HIERARCH ESO ISS PBLA12 START 166.0
HIERARCH ESO ISS PBLA12 END 166.2
HIERARCH ESO ISS PBL13 START 25.441
HIERARCH ESO ISS PBL13 END 25.361
HIERARCH ESO ISS PBLA13 START 84.8
HIERARCH ESO ISS PBLA13 END 84.9
HIERARCH ESO ISS PBL14 START 19.139
HIERARCH ESO ISS PBL14 END 19.107
HIERARCH ESO ISS PBLA14 START 140.06
HIERARCH ESO ISS PBLA14 END 140.271
HIERARCH ESO ISS PBL23 START 32.095
HIERARCH ESO ISS PBL23 END 32.067
HIERARCH ESO ISS PBLA23 START 37.6
HIERARCH ESO ISS PBLA23 END 37.6
HIERARCH ESO ISS PBL24 START 10.693
HIERARCH ESO ISS PBL24 END 10.683
HIERARCH ESO ISS PBLA24 START 37.527
HIERARCH ESO ISS PBLA24 END 37.559
HIERARCH ESO ISS PBL34 START 21.403
HIERARCH ESO ISS PBL34 END 21.384
HIERARCH ESO ISS PBLA34 START 217.582
HIERARCH ESO ISS PBLA34 END 217.614
HIERARCH ESO ISS AMBI TAU0 START 0.003168
HIERARCH ESO ISS AMBI TAU0 END 0.003168
HIERARCH ESO ISS AMBI TEMP 12.41
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57