Exposure
ID
MATIS.2025-06-28T00:27:32.511_1
Header ID
MATIS.2025-06-28T00:27:32.511
Date updated
2025-06-28 00:36:51 UTC+0000
Release date
2026-06-28 00:36:50 UTC+0000
UTC Start
2025-06-28 00:27:32.511
UTC End
2025-06-28 00:28:32.519
MJD Start
60854.01912629
MJD End
60854.01982082704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.002284
Ambient temperature (°C)
6.81
Seeing (arcsec)
0.66
Observation
ID
68242
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 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 20.1880 20.2350 132.0000 131.9000
A0-D0 22.6540 22.7020 30.8000 31.1000
A0-C1 14.1010 14.1730 100.3010 100.3440
B2-D0 33.1260 33.1230 354.1000 354.2000
B2-C1 11.0360 11.0350 354.0690 354.2170
D0-C1 22.0900 22.0880 174.1080 174.2560
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 60854.01912629
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 20.188
HIERARCH ESO ISS PBL12 END 20.235
HIERARCH ESO ISS PBLA12 START 132.0
HIERARCH ESO ISS PBLA12 END 131.9
HIERARCH ESO ISS PBL13 START 22.654
HIERARCH ESO ISS PBL13 END 22.702
HIERARCH ESO ISS PBLA13 START 30.8
HIERARCH ESO ISS PBLA13 END 31.1
HIERARCH ESO ISS PBL14 START 14.101
HIERARCH ESO ISS PBL14 END 14.173
HIERARCH ESO ISS PBLA14 START 100.301
HIERARCH ESO ISS PBLA14 END 100.344
HIERARCH ESO ISS PBL23 START 33.126
HIERARCH ESO ISS PBL23 END 33.123
HIERARCH ESO ISS PBLA23 START 354.1
HIERARCH ESO ISS PBLA23 END 354.2
HIERARCH ESO ISS PBL24 START 11.036
HIERARCH ESO ISS PBL24 END 11.035
HIERARCH ESO ISS PBLA24 START 354.069
HIERARCH ESO ISS PBLA24 END 354.217
HIERARCH ESO ISS PBL34 START 22.09
HIERARCH ESO ISS PBL34 END 22.088
HIERARCH ESO ISS PBLA34 START 174.108
HIERARCH ESO ISS PBLA34 END 174.256
HIERARCH ESO ISS AMBI TAU0 START 0.002319
HIERARCH ESO ISS AMBI TAU0 END 0.002249
HIERARCH ESO ISS AMBI TEMP 6.81
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.66