Exposure
ID
MATIS.2025-06-23T04:14:22.682_1
Header ID
MATIS.2025-06-23T04:14:22.682
Date updated
2025-06-23 04:20:58 UTC+0000
Release date
2026-06-23 04:20:58 UTC+0000
UTC Start
2025-06-23 04:14:22.682
UTC End
2025-06-23 04:15:22.742
MJD Start
60849.17665141
MJD End
60849.17734654889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.005547
Ambient temperature (°C)
11.43
Seeing (arcsec)
0.435
Observation
ID
68182
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
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 67.8400 67.8730 268.7000 268.8000
K0-D0 95.1800 95.2260 248.0000 248.1000
K0-J3 56.5500 56.5520 329.9550 330.0420
G2-D0 39.7830 39.7920 210.9000 211.0000
G2-J3 64.1160 64.1340 38.0390 38.1510
D0-J3 103.7070 103.7330 35.2940 35.4060
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 60849.17665141
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016859
DEC -22.22406
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL 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 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 67.84
HIERARCH ESO ISS PBL12 END 67.873
HIERARCH ESO ISS PBLA12 START 268.7
HIERARCH ESO ISS PBLA12 END 268.8
HIERARCH ESO ISS PBL13 START 95.18
HIERARCH ESO ISS PBL13 END 95.226
HIERARCH ESO ISS PBLA13 START 248.0
HIERARCH ESO ISS PBLA13 END 248.1
HIERARCH ESO ISS PBL14 START 56.55
HIERARCH ESO ISS PBL14 END 56.552
HIERARCH ESO ISS PBLA14 START 329.955
HIERARCH ESO ISS PBLA14 END 330.042
HIERARCH ESO ISS PBL23 START 39.783
HIERARCH ESO ISS PBL23 END 39.792
HIERARCH ESO ISS PBLA23 START 210.9
HIERARCH ESO ISS PBLA23 END 211.0
HIERARCH ESO ISS PBL24 START 64.116
HIERARCH ESO ISS PBL24 END 64.134
HIERARCH ESO ISS PBLA24 START 38.039
HIERARCH ESO ISS PBLA24 END 38.151
HIERARCH ESO ISS PBL34 START 103.707
HIERARCH ESO ISS PBL34 END 103.733
HIERARCH ESO ISS PBLA34 START 35.294
HIERARCH ESO ISS PBLA34 END 35.406
HIERARCH ESO ISS AMBI TAU0 START 0.00572
HIERARCH ESO ISS AMBI TAU0 END 0.005374
HIERARCH ESO ISS AMBI TEMP 11.43
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.44