Exposure
ID
MATIS.2025-06-27T02:02:11.309_1
Header ID
MATIS.2025-06-27T02:02:11.309
Date updated
2025-06-27 02:07:01 UTC+0000
Release date
2026-06-27 02:07:00 UTC+0000
UTC Start
2025-06-27 02:02:11.309
UTC End
2025-06-27 02:03:11.317
MJD Start
60853.08485311
MJD End
60853.08554764704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.001697
Ambient temperature (°C)
6.3
Seeing (arcsec)
0.775
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 23.5560 23.5830 132.6000 132.7000
A0-D0 27.4690 27.5220 52.0000 52.1000
A0-C1 19.4110 19.4570 104.9320 104.9920
B2-D0 33.1630 33.1670 7.5000 7.6000
B2-C1 11.0480 11.0490 7.4210 7.5680
D0-C1 22.1150 22.1180 187.4760 187.6230
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 60853.08485311
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 23.556
HIERARCH ESO ISS PBL12 END 23.583
HIERARCH ESO ISS PBLA12 START 132.6
HIERARCH ESO ISS PBLA12 END 132.7
HIERARCH ESO ISS PBL13 START 27.469
HIERARCH ESO ISS PBL13 END 27.522
HIERARCH ESO ISS PBLA13 START 52.0
HIERARCH ESO ISS PBLA13 END 52.1
HIERARCH ESO ISS PBL14 START 19.411
HIERARCH ESO ISS PBL14 END 19.457
HIERARCH ESO ISS PBLA14 START 104.932
HIERARCH ESO ISS PBLA14 END 104.992
HIERARCH ESO ISS PBL23 START 33.163
HIERARCH ESO ISS PBL23 END 33.167
HIERARCH ESO ISS PBLA23 START 7.5
HIERARCH ESO ISS PBLA23 END 7.6
HIERARCH ESO ISS PBL24 START 11.048
HIERARCH ESO ISS PBL24 END 11.049
HIERARCH ESO ISS PBLA24 START 7.421
HIERARCH ESO ISS PBLA24 END 7.568
HIERARCH ESO ISS PBL34 START 22.115
HIERARCH ESO ISS PBL34 END 22.118
HIERARCH ESO ISS PBLA34 START 187.476
HIERARCH ESO ISS PBLA34 END 187.623
HIERARCH ESO ISS AMBI TAU0 START 0.001697
HIERARCH ESO ISS AMBI TAU0 END 0.001697
HIERARCH ESO ISS AMBI TEMP 6.3
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.79