Exposure
ID
MATIS.2025-06-27T04:00:38.578_1
Header ID
MATIS.2025-06-27T04:00:38.578
Date updated
2025-06-27 04:10:39 UTC+0000
Release date
2026-06-27 04:10:39 UTC+0000
UTC Start
2025-06-27 04:00:38.578
UTC End
2025-06-27 04:01:38.586
MJD Start
60853.16711317
MJD End
60853.16780770704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.001805
Ambient temperature (°C)
6.0
Seeing (arcsec)
0.9
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 25.2800 25.2820 139.9000 139.9000
A0-D0 31.7680 31.7830 68.2000 68.3000
A0-C1 22.5400 22.5470 113.4040 113.4920
B2-D0 33.8100 33.8140 23.0000 23.1000
B2-C1 11.2620 11.2640 22.9310 23.0460
D0-C1 22.5470 22.5510 202.9950 203.1090
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 60853.16711317
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 25.28
HIERARCH ESO ISS PBL12 END 25.282
HIERARCH ESO ISS PBLA12 START 139.9
HIERARCH ESO ISS PBLA12 END 139.9
HIERARCH ESO ISS PBL13 START 31.768
HIERARCH ESO ISS PBL13 END 31.783
HIERARCH ESO ISS PBLA13 START 68.2
HIERARCH ESO ISS PBLA13 END 68.3
HIERARCH ESO ISS PBL14 START 22.54
HIERARCH ESO ISS PBL14 END 22.547
HIERARCH ESO ISS PBLA14 START 113.404
HIERARCH ESO ISS PBLA14 END 113.492
HIERARCH ESO ISS PBL23 START 33.81
HIERARCH ESO ISS PBL23 END 33.814
HIERARCH ESO ISS PBLA23 START 23.0
HIERARCH ESO ISS PBLA23 END 23.1
HIERARCH ESO ISS PBL24 START 11.262
HIERARCH ESO ISS PBL24 END 11.264
HIERARCH ESO ISS PBLA24 START 22.931
HIERARCH ESO ISS PBLA24 END 23.046
HIERARCH ESO ISS PBL34 START 22.547
HIERARCH ESO ISS PBL34 END 22.551
HIERARCH ESO ISS PBLA34 START 202.995
HIERARCH ESO ISS PBLA34 END 203.109
HIERARCH ESO ISS AMBI TAU0 START 0.001805
HIERARCH ESO ISS AMBI TAU0 END 0.001805
HIERARCH ESO ISS AMBI TEMP 6.0
HIERARCH ESO ISS AMBI FWHM START 0.9
HIERARCH ESO ISS AMBI FWHM END 0.9