Exposure
ID
MATIS.2025-06-18T04:04:36.315_1
Header ID
MATIS.2025-06-18T04:04:36.315
Date updated
2025-06-18 04:12:22 UTC+0000
Release date
2026-06-18 04:12:22 UTC+0000
UTC Start
2025-06-18 04:04:36.315
UTC End
2025-06-18 04:05:36.323
MJD Start
60844.16986476
MJD End
60844.17055929704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003256
Ambient temperature (°C)
6.75
Seeing (arcsec)
0.735
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 88.6320 88.7020 110.8000 110.9000
A0-J2 125.5290 125.6540 87.1000 87.2000
A0-K0 124.3710 124.4820 64.6750 64.7960
G1-J2 56.8940 56.9320 48.4000 48.5000
G1-K0 89.7040 89.7200 19.2460 19.3720
J2-K0 48.6460 48.6470 344.5590 344.6530
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 60844.16986476
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 88.632
HIERARCH ESO ISS PBL12 END 88.702
HIERARCH ESO ISS PBLA12 START 110.8
HIERARCH ESO ISS PBLA12 END 110.9
HIERARCH ESO ISS PBL13 START 125.529
HIERARCH ESO ISS PBL13 END 125.654
HIERARCH ESO ISS PBLA13 START 87.1
HIERARCH ESO ISS PBLA13 END 87.2
HIERARCH ESO ISS PBL14 START 124.371
HIERARCH ESO ISS PBL14 END 124.482
HIERARCH ESO ISS PBLA14 START 64.675
HIERARCH ESO ISS PBLA14 END 64.796
HIERARCH ESO ISS PBL23 START 56.894
HIERARCH ESO ISS PBL23 END 56.932
HIERARCH ESO ISS PBLA23 START 48.4
HIERARCH ESO ISS PBLA23 END 48.5
HIERARCH ESO ISS PBL24 START 89.704
HIERARCH ESO ISS PBL24 END 89.72
HIERARCH ESO ISS PBLA24 START 19.246
HIERARCH ESO ISS PBLA24 END 19.372
HIERARCH ESO ISS PBL34 START 48.646
HIERARCH ESO ISS PBL34 END 48.647
HIERARCH ESO ISS PBLA34 START 344.559
HIERARCH ESO ISS PBLA34 END 344.653
HIERARCH ESO ISS AMBI TAU0 START 0.003187
HIERARCH ESO ISS AMBI TAU0 END 0.003325
HIERARCH ESO ISS AMBI TEMP 6.75
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.71