Exposure
ID
MATIS.2025-06-18T03:59:39.033_1
Header ID
MATIS.2025-06-18T03:59:39.033
Date updated
2025-06-18 04:08:10 UTC+0000
Release date
2026-06-18 04:08:09 UTC+0000
UTC Start
2025-06-18 03:59:39.033
UTC End
2025-06-18 04:00:39.041
MJD Start
60844.16642399
MJD End
60844.16711852704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0031955
Ambient temperature (°C)
6.77
Seeing (arcsec)
0.725
Observation
ID
68120
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 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 88.2730 88.3490 110.4000 110.5000
A0-J2 124.8890 125.0240 86.6000 86.7000
A0-K0 123.8050 123.9240 64.0800 64.2030
G1-J2 56.7030 56.7430 47.7000 47.9000
G1-K0 89.6250 89.6410 18.6290 18.7570
J2-K0 48.6430 48.6440 344.1050 344.1980
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 60844.16642399
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 88.273
HIERARCH ESO ISS PBL12 END 88.349
HIERARCH ESO ISS PBLA12 START 110.4
HIERARCH ESO ISS PBLA12 END 110.5
HIERARCH ESO ISS PBL13 START 124.889
HIERARCH ESO ISS PBL13 END 125.024
HIERARCH ESO ISS PBLA13 START 86.6
HIERARCH ESO ISS PBLA13 END 86.7
HIERARCH ESO ISS PBL14 START 123.805
HIERARCH ESO ISS PBL14 END 123.924
HIERARCH ESO ISS PBLA14 START 64.08
HIERARCH ESO ISS PBLA14 END 64.203
HIERARCH ESO ISS PBL23 START 56.703
HIERARCH ESO ISS PBL23 END 56.743
HIERARCH ESO ISS PBLA23 START 47.7
HIERARCH ESO ISS PBLA23 END 47.9
HIERARCH ESO ISS PBL24 START 89.625
HIERARCH ESO ISS PBL24 END 89.641
HIERARCH ESO ISS PBLA24 START 18.629
HIERARCH ESO ISS PBLA24 END 18.757
HIERARCH ESO ISS PBL34 START 48.643
HIERARCH ESO ISS PBL34 END 48.644
HIERARCH ESO ISS PBLA34 START 344.105
HIERARCH ESO ISS PBLA34 END 344.198
HIERARCH ESO ISS AMBI TAU0 START 0.003326
HIERARCH ESO ISS AMBI TAU0 END 0.003065
HIERARCH ESO ISS AMBI TEMP 6.77
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.74