Exposure
ID
MATIS.2025-08-16T04:35:19.065_1
Header ID
MATIS.2025-08-16T04:35:19.065
Date updated
2025-08-16 04:40:52 UTC+0000
Release date
2026-08-16 04:40:52 UTC+0000
UTC Start
2025-08-16 04:35:19.065
UTC End
2025-08-16 04:36:19.073
MJD Start
60903.19119288
MJD End
60903.19188741704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0023855
Ambient temperature (°C)
9.35
Seeing (arcsec)
0.98
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 47.8040 47.6250 297.1000 297.3000
K0-D0 67.4600 67.1780 267.7000 267.7000
K0-J3 54.9430 54.9430 360.0000 0.1550
G2-D0 34.9540 34.8970 225.3000 225.4000
G2-J3 53.9210 53.8060 52.0910 52.0920
D0-J3 88.7280 88.5560 49.4400 49.4420
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 60903.19119288
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 47.804
HIERARCH ESO ISS PBL12 END 47.625
HIERARCH ESO ISS PBLA12 START 297.1
HIERARCH ESO ISS PBLA12 END 297.3
HIERARCH ESO ISS PBL13 START 67.46
HIERARCH ESO ISS PBL13 END 67.178
HIERARCH ESO ISS PBLA13 START 267.7
HIERARCH ESO ISS PBLA13 END 267.7
HIERARCH ESO ISS PBL14 START 54.943
HIERARCH ESO ISS PBL14 END 54.943
HIERARCH ESO ISS PBLA14 START 360.0
HIERARCH ESO ISS PBLA14 END 0.155
HIERARCH ESO ISS PBL23 START 34.954
HIERARCH ESO ISS PBL23 END 34.897
HIERARCH ESO ISS PBLA23 START 225.3
HIERARCH ESO ISS PBLA23 END 225.4
HIERARCH ESO ISS PBL24 START 53.921
HIERARCH ESO ISS PBL24 END 53.806
HIERARCH ESO ISS PBLA24 START 52.091
HIERARCH ESO ISS PBLA24 END 52.092
HIERARCH ESO ISS PBL34 START 88.728
HIERARCH ESO ISS PBL34 END 88.556
HIERARCH ESO ISS PBLA34 START 49.44
HIERARCH ESO ISS PBLA34 END 49.442
HIERARCH ESO ISS AMBI TAU0 START 0.002429
HIERARCH ESO ISS AMBI TAU0 END 0.002342
HIERARCH ESO ISS AMBI TEMP 9.35
HIERARCH ESO ISS AMBI FWHM START 0.97
HIERARCH ESO ISS AMBI FWHM END 0.99