Exposure
ID
MATIS.2025-06-28T05:11:13.815_1
Header ID
MATIS.2025-06-28T05:11:13.815
Date updated
2025-06-28 05:16:21 UTC+0000
Release date
2026-06-28 05:16:21 UTC+0000
UTC Start
2025-06-28 05:11:13.815
UTC End
2025-06-28 05:12:13.823
MJD Start
60854.21613212
MJD End
60854.21682665704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0014765
Ambient temperature (°C)
4.72
Seeing (arcsec)
0.955
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 25.0500 25.0420 147.7000 147.8000
A0-D0 31.5690 31.5480 75.2000 75.3000
A0-C1 22.2470 22.2320 120.9050 121.0240
B2-D0 33.8910 33.8870 30.4000 30.5000
B2-C1 11.2890 11.2880 30.3230 30.4090
D0-C1 22.6010 22.5990 210.3860 210.4710
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 60854.21613212
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 25.05
HIERARCH ESO ISS PBL12 END 25.042
HIERARCH ESO ISS PBLA12 START 147.7
HIERARCH ESO ISS PBLA12 END 147.8
HIERARCH ESO ISS PBL13 START 31.569
HIERARCH ESO ISS PBL13 END 31.548
HIERARCH ESO ISS PBLA13 START 75.2
HIERARCH ESO ISS PBLA13 END 75.3
HIERARCH ESO ISS PBL14 START 22.247
HIERARCH ESO ISS PBL14 END 22.232
HIERARCH ESO ISS PBLA14 START 120.905
HIERARCH ESO ISS PBLA14 END 121.024
HIERARCH ESO ISS PBL23 START 33.891
HIERARCH ESO ISS PBL23 END 33.887
HIERARCH ESO ISS PBLA23 START 30.4
HIERARCH ESO ISS PBLA23 END 30.5
HIERARCH ESO ISS PBL24 START 11.289
HIERARCH ESO ISS PBL24 END 11.288
HIERARCH ESO ISS PBLA24 START 30.323
HIERARCH ESO ISS PBLA24 END 30.409
HIERARCH ESO ISS PBL34 START 22.601
HIERARCH ESO ISS PBL34 END 22.599
HIERARCH ESO ISS PBLA34 START 210.386
HIERARCH ESO ISS PBLA34 END 210.471
HIERARCH ESO ISS AMBI TAU0 START 0.001521
HIERARCH ESO ISS AMBI TAU0 END 0.001432
HIERARCH ESO ISS AMBI TEMP 4.72
HIERARCH ESO ISS AMBI FWHM START 0.96
HIERARCH ESO ISS AMBI FWHM END 0.95