Exposure
ID
MATIS.2025-07-17T06:20:12.363_1
Header ID
MATIS.2025-07-17T06:20:12.363
Date updated
2025-07-17 06:31:02 UTC+0000
Release date
2026-07-17 06:31:01 UTC+0000
UTC Start
2025-07-17 06:20:12.363
UTC End
2025-07-17 06:21:12.371
MJD Start
60873.26403198
MJD End
60873.26472651704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0044329999999999994
Ambient temperature (°C)
13.77
Seeing (arcsec)
0.785
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 73.8980 73.7740 144.7000 145.0000
A0-J2 94.9660 94.6420 116.3000 116.5000
A0-K0 94.6350 94.2800 86.5690 86.6530
G1-J2 46.2340 46.1000 66.7000 66.7000
G1-K0 83.8920 83.8060 38.1250 38.1460
J2-K0 48.6260 48.6280 11.0500 11.1550
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 60873.26403198
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 73.898
HIERARCH ESO ISS PBL12 END 73.774
HIERARCH ESO ISS PBLA12 START 144.7
HIERARCH ESO ISS PBLA12 END 145.0
HIERARCH ESO ISS PBL13 START 94.966
HIERARCH ESO ISS PBL13 END 94.642
HIERARCH ESO ISS PBLA13 START 116.3
HIERARCH ESO ISS PBLA13 END 116.5
HIERARCH ESO ISS PBL14 START 94.635
HIERARCH ESO ISS PBL14 END 94.28
HIERARCH ESO ISS PBLA14 START 86.569
HIERARCH ESO ISS PBLA14 END 86.653
HIERARCH ESO ISS PBL23 START 46.234
HIERARCH ESO ISS PBL23 END 46.1
HIERARCH ESO ISS PBLA23 START 66.7
HIERARCH ESO ISS PBLA23 END 66.7
HIERARCH ESO ISS PBL24 START 83.892
HIERARCH ESO ISS PBL24 END 83.806
HIERARCH ESO ISS PBLA24 START 38.125
HIERARCH ESO ISS PBLA24 END 38.146
HIERARCH ESO ISS PBL34 START 48.626
HIERARCH ESO ISS PBL34 END 48.628
HIERARCH ESO ISS PBLA34 START 11.05
HIERARCH ESO ISS PBLA34 END 11.155
HIERARCH ESO ISS AMBI TAU0 START 0.004445
HIERARCH ESO ISS AMBI TAU0 END 0.004421
HIERARCH ESO ISS AMBI TEMP 13.77
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.81