Exposure
ID
MATIS.2025-06-23T04:15:35.785_1
Header ID
MATIS.2025-06-23T04:15:35.785
Date updated
2025-06-23 04:26:04 UTC+0000
Release date
2026-06-23 04:26:04 UTC+0000
UTC Start
2025-06-23 04:15:35.785
UTC End
2025-06-23 04:16:35.793
MJD Start
60849.17749751
MJD End
60849.17819204704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0044855
Ambient temperature (°C)
11.4
Seeing (arcsec)
0.475
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 67.8800 67.9120 268.8000 268.9000
K0-D0 95.2350 95.2800 248.1000 248.2000
K0-J3 56.5530 56.5550 330.0600 330.1580
G2-D0 39.7940 39.8020 211.0000 211.1000
G2-J3 64.1370 64.1540 38.1740 38.2950
D0-J3 103.7380 103.7640 35.4290 35.5500
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 60849.17749751
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 67.88
HIERARCH ESO ISS PBL12 END 67.912
HIERARCH ESO ISS PBLA12 START 268.8
HIERARCH ESO ISS PBLA12 END 268.9
HIERARCH ESO ISS PBL13 START 95.235
HIERARCH ESO ISS PBL13 END 95.28
HIERARCH ESO ISS PBLA13 START 248.1
HIERARCH ESO ISS PBLA13 END 248.2
HIERARCH ESO ISS PBL14 START 56.553
HIERARCH ESO ISS PBL14 END 56.555
HIERARCH ESO ISS PBLA14 START 330.06
HIERARCH ESO ISS PBLA14 END 330.158
HIERARCH ESO ISS PBL23 START 39.794
HIERARCH ESO ISS PBL23 END 39.802
HIERARCH ESO ISS PBLA23 START 211.0
HIERARCH ESO ISS PBLA23 END 211.1
HIERARCH ESO ISS PBL24 START 64.137
HIERARCH ESO ISS PBL24 END 64.154
HIERARCH ESO ISS PBLA24 START 38.174
HIERARCH ESO ISS PBLA24 END 38.295
HIERARCH ESO ISS PBL34 START 103.738
HIERARCH ESO ISS PBL34 END 103.764
HIERARCH ESO ISS PBLA34 START 35.429
HIERARCH ESO ISS PBLA34 END 35.55
HIERARCH ESO ISS AMBI TAU0 START 0.005374
HIERARCH ESO ISS AMBI TAU0 END 0.003597
HIERARCH ESO ISS AMBI TEMP 11.4
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.51