Exposure
ID
MATIS.2025-06-23T04:20:34.739_1
Header ID
MATIS.2025-06-23T04:20:34.739
Date updated
2025-06-23 04:30:55 UTC+0000
Release date
2026-06-23 04:30:55 UTC+0000
UTC Start
2025-06-23 04:20:34.739
UTC End
2025-06-23 04:21:34.747
MJD Start
60849.18095763
MJD End
60849.18165216704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.006682
Ambient temperature (°C)
11.35
Seeing (arcsec)
0.47
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 68.0270 68.0540 269.3000 269.4000
K0-D0 95.4420 95.4800 248.6000 248.7000
K0-J3 56.5610 56.5620 330.5240 330.6110
G2-D0 39.8330 39.8400 211.6000 211.7000
G2-J3 64.2190 64.2340 38.7430 38.8490
D0-J3 103.8590 103.8820 35.9990 36.1050
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 60849.18095763
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 68.027
HIERARCH ESO ISS PBL12 END 68.054
HIERARCH ESO ISS PBLA12 START 269.3
HIERARCH ESO ISS PBLA12 END 269.4
HIERARCH ESO ISS PBL13 START 95.442
HIERARCH ESO ISS PBL13 END 95.48
HIERARCH ESO ISS PBLA13 START 248.6
HIERARCH ESO ISS PBLA13 END 248.7
HIERARCH ESO ISS PBL14 START 56.561
HIERARCH ESO ISS PBL14 END 56.562
HIERARCH ESO ISS PBLA14 START 330.524
HIERARCH ESO ISS PBLA14 END 330.611
HIERARCH ESO ISS PBL23 START 39.833
HIERARCH ESO ISS PBL23 END 39.84
HIERARCH ESO ISS PBLA23 START 211.6
HIERARCH ESO ISS PBLA23 END 211.7
HIERARCH ESO ISS PBL24 START 64.219
HIERARCH ESO ISS PBL24 END 64.234
HIERARCH ESO ISS PBLA24 START 38.743
HIERARCH ESO ISS PBLA24 END 38.849
HIERARCH ESO ISS PBL34 START 103.859
HIERARCH ESO ISS PBL34 END 103.882
HIERARCH ESO ISS PBLA34 START 35.999
HIERARCH ESO ISS PBLA34 END 36.105
HIERARCH ESO ISS AMBI TAU0 START 0.006682
HIERARCH ESO ISS AMBI TAU0 END 0.006682
HIERARCH ESO ISS AMBI TEMP 11.35
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.47