Exposure
ID
MATIS.2025-06-21T06:54:16.540_1
Header ID
MATIS.2025-06-21T06:54:16.540
Date updated
2025-06-21 07:00:43 UTC+0000
Release date
2026-06-21 07:00:43 UTC+0000
UTC Start
2025-06-21 06:54:16.540
UTC End
2025-06-21 06:55:16.548
MJD Start
60847.28769143
MJD End
60847.28838596704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0035185
Ambient temperature (°C)
12.17
Seeing (arcsec)
0.42
Observation
ID
68183
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
50684
Name
V VX Sgr
RA
272.016859
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 60.3620 60.2340 284.3000 284.5000
K0-D0 85.8200 85.6440 261.2000 261.3000
K0-J3 55.3770 55.3670 347.9560 348.1000
G2-D0 38.4690 38.4380 223.2000 223.2000
G2-J3 61.1500 61.0850 50.1230 50.1680
D0-J3 99.4470 99.3520 47.4510 47.4970
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 60847.28769143
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016859
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 60.362
HIERARCH ESO ISS PBL12 END 60.234
HIERARCH ESO ISS PBLA12 START 284.3
HIERARCH ESO ISS PBLA12 END 284.5
HIERARCH ESO ISS PBL13 START 85.82
HIERARCH ESO ISS PBL13 END 85.644
HIERARCH ESO ISS PBLA13 START 261.2
HIERARCH ESO ISS PBLA13 END 261.3
HIERARCH ESO ISS PBL14 START 55.377
HIERARCH ESO ISS PBL14 END 55.367
HIERARCH ESO ISS PBLA14 START 347.956
HIERARCH ESO ISS PBLA14 END 348.1
HIERARCH ESO ISS PBL23 START 38.469
HIERARCH ESO ISS PBL23 END 38.438
HIERARCH ESO ISS PBLA23 START 223.2
HIERARCH ESO ISS PBLA23 END 223.2
HIERARCH ESO ISS PBL24 START 61.15
HIERARCH ESO ISS PBL24 END 61.085
HIERARCH ESO ISS PBLA24 START 50.123
HIERARCH ESO ISS PBLA24 END 50.168
HIERARCH ESO ISS PBL34 START 99.447
HIERARCH ESO ISS PBL34 END 99.352
HIERARCH ESO ISS PBLA34 START 47.451
HIERARCH ESO ISS PBLA34 END 47.497
HIERARCH ESO ISS AMBI TAU0 START 0.00364
HIERARCH ESO ISS AMBI TAU0 END 0.003397
HIERARCH ESO ISS AMBI TEMP 12.17
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.43