Exposure
ID
MATIS.2025-06-25T00:46:03.011_1
Header ID
MATIS.2025-06-25T00:46:03.011
Date updated
2025-06-25 00:55:43 UTC+0000
Release date
2026-06-25 00:55:43 UTC+0000
UTC Start
2025-06-25 00:46:03.011
UTC End
2025-06-25 00:47:03.019
MJD Start
60851.03197929
MJD End
60851.03267382704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0024194999999999998
Ambient temperature (°C)
7.89
Seeing (arcsec)
0.83
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 20.4920 20.5370 131.8000 131.8000
A0-D0 22.9750 23.0250 32.7000 33.0000
A0-C1 14.5680 14.6380 100.5900 100.6350
B2-D0 33.1080 33.1050 355.1000 355.2000
B2-C1 11.0300 11.0290 355.0490 355.1980
D0-C1 22.0780 22.0760 175.0890 175.2390
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 60851.03197929
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 20.492
HIERARCH ESO ISS PBL12 END 20.537
HIERARCH ESO ISS PBLA12 START 131.8
HIERARCH ESO ISS PBLA12 END 131.8
HIERARCH ESO ISS PBL13 START 22.975
HIERARCH ESO ISS PBL13 END 23.025
HIERARCH ESO ISS PBLA13 START 32.7
HIERARCH ESO ISS PBLA13 END 33.0
HIERARCH ESO ISS PBL14 START 14.568
HIERARCH ESO ISS PBL14 END 14.638
HIERARCH ESO ISS PBLA14 START 100.59
HIERARCH ESO ISS PBLA14 END 100.635
HIERARCH ESO ISS PBL23 START 33.108
HIERARCH ESO ISS PBL23 END 33.105
HIERARCH ESO ISS PBLA23 START 355.1
HIERARCH ESO ISS PBLA23 END 355.2
HIERARCH ESO ISS PBL24 START 11.03
HIERARCH ESO ISS PBL24 END 11.029
HIERARCH ESO ISS PBLA24 START 355.049
HIERARCH ESO ISS PBLA24 END 355.198
HIERARCH ESO ISS PBL34 START 22.078
HIERARCH ESO ISS PBL34 END 22.076
HIERARCH ESO ISS PBLA34 START 175.089
HIERARCH ESO ISS PBLA34 END 175.239
HIERARCH ESO ISS AMBI TAU0 START 0.002494
HIERARCH ESO ISS AMBI TAU0 END 0.002345
HIERARCH ESO ISS AMBI TEMP 7.89
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.83