Exposure
ID
MATIS.2025-06-28T00:35:43.202_1
Header ID
MATIS.2025-06-28T00:35:43.202
Date updated
2025-06-28 00:46:09 UTC+0000
Release date
2026-06-28 00:46:08 UTC+0000
UTC Start
2025-06-28 00:35:43.202
UTC End
2025-06-28 00:36:43.210
MJD Start
60854.02480558
MJD End
60854.02550011704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.002944
Ambient temperature (°C)
6.8
Seeing (arcsec)
0.51
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 20.5580 20.6030 131.8000 131.8000
A0-D0 23.0460 23.0960 33.2000 33.4000
A0-C1 14.6690 14.7380 100.6580 100.7030
B2-D0 33.1040 33.1010 355.3000 355.4000
B2-C1 11.0290 11.0280 355.2640 355.4130
D0-C1 22.0750 22.0730 175.3050 175.4540
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 60854.02480558
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 20.558
HIERARCH ESO ISS PBL12 END 20.603
HIERARCH ESO ISS PBLA12 START 131.8
HIERARCH ESO ISS PBLA12 END 131.8
HIERARCH ESO ISS PBL13 START 23.046
HIERARCH ESO ISS PBL13 END 23.096
HIERARCH ESO ISS PBLA13 START 33.2
HIERARCH ESO ISS PBLA13 END 33.4
HIERARCH ESO ISS PBL14 START 14.669
HIERARCH ESO ISS PBL14 END 14.738
HIERARCH ESO ISS PBLA14 START 100.658
HIERARCH ESO ISS PBLA14 END 100.703
HIERARCH ESO ISS PBL23 START 33.104
HIERARCH ESO ISS PBL23 END 33.101
HIERARCH ESO ISS PBLA23 START 355.3
HIERARCH ESO ISS PBLA23 END 355.4
HIERARCH ESO ISS PBL24 START 11.029
HIERARCH ESO ISS PBL24 END 11.028
HIERARCH ESO ISS PBLA24 START 355.264
HIERARCH ESO ISS PBLA24 END 355.413
HIERARCH ESO ISS PBL34 START 22.075
HIERARCH ESO ISS PBL34 END 22.073
HIERARCH ESO ISS PBLA34 START 175.305
HIERARCH ESO ISS PBLA34 END 175.454
HIERARCH ESO ISS AMBI TAU0 START 0.002875
HIERARCH ESO ISS AMBI TAU0 END 0.003013
HIERARCH ESO ISS AMBI TEMP 6.8
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.49