Exposure
ID
MATIS.2025-06-27T04:59:44.820_1
Header ID
MATIS.2025-06-27T04:59:44.820
Date updated
2025-06-27 05:10:47 UTC+0000
Release date
2026-06-27 05:10:47 UTC+0000
UTC Start
2025-06-27 04:59:44.820
UTC End
2025-06-27 05:00:44.828
MJD Start
60853.20815764
MJD End
60853.20885217704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0016645000000000002
Ambient temperature (°C)
5.83
Seeing (arcsec)
0.905
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 25.1560 25.1500 145.9000 146.0000
A0-D0 31.8280 31.8150 73.9000 73.9000
A0-C1 22.4370 22.4260 119.1620 119.2730
B2-D0 33.9270 33.9260 29.0000 29.1000
B2-C1 11.3020 11.3010 28.9690 29.0610
D0-C1 22.6260 22.6250 209.0320 209.1240
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 60853.20815764
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 25.156
HIERARCH ESO ISS PBL12 END 25.15
HIERARCH ESO ISS PBLA12 START 145.9
HIERARCH ESO ISS PBLA12 END 146.0
HIERARCH ESO ISS PBL13 START 31.828
HIERARCH ESO ISS PBL13 END 31.815
HIERARCH ESO ISS PBLA13 START 73.9
HIERARCH ESO ISS PBLA13 END 73.9
HIERARCH ESO ISS PBL14 START 22.437
HIERARCH ESO ISS PBL14 END 22.426
HIERARCH ESO ISS PBLA14 START 119.162
HIERARCH ESO ISS PBLA14 END 119.273
HIERARCH ESO ISS PBL23 START 33.927
HIERARCH ESO ISS PBL23 END 33.926
HIERARCH ESO ISS PBLA23 START 29.0
HIERARCH ESO ISS PBLA23 END 29.1
HIERARCH ESO ISS PBL24 START 11.302
HIERARCH ESO ISS PBL24 END 11.301
HIERARCH ESO ISS PBLA24 START 28.969
HIERARCH ESO ISS PBLA24 END 29.061
HIERARCH ESO ISS PBL34 START 22.626
HIERARCH ESO ISS PBL34 END 22.625
HIERARCH ESO ISS PBLA34 START 209.032
HIERARCH ESO ISS PBLA34 END 209.124
HIERARCH ESO ISS AMBI TAU0 START 0.001685
HIERARCH ESO ISS AMBI TAU0 END 0.001644
HIERARCH ESO ISS AMBI TEMP 5.83
HIERARCH ESO ISS AMBI FWHM START 0.94
HIERARCH ESO ISS AMBI FWHM END 0.87