Exposure
ID
MATIS.2025-07-17T06:27:12.415_1
Header ID
MATIS.2025-07-17T06:27:12.415
Date updated
2025-07-17 06:35:49 UTC+0000
Release date
2026-07-17 06:35:49 UTC+0000
UTC Start
2025-07-17 06:27:12.415
UTC End
2025-07-17 06:28:12.423
MJD Start
60873.26889369
MJD End
60873.26958822704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003982
Ambient temperature (°C)
13.7
Seeing (arcsec)
0.8200000000000001
Observation
ID
68120
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 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 73.0480 72.9270 146.3000 146.6000
A0-J2 92.7160 92.3870 117.6000 117.9000
A0-K0 92.1530 91.7870 87.1510 87.2360
G1-J2 45.2940 45.1560 66.9000 66.9000
G1-K0 83.2840 83.1940 38.2590 38.2770
J2-K0 48.6340 48.6350 11.7590 11.8610
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 60873.26889369
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 73.048
HIERARCH ESO ISS PBL12 END 72.927
HIERARCH ESO ISS PBLA12 START 146.3
HIERARCH ESO ISS PBLA12 END 146.6
HIERARCH ESO ISS PBL13 START 92.716
HIERARCH ESO ISS PBL13 END 92.387
HIERARCH ESO ISS PBLA13 START 117.6
HIERARCH ESO ISS PBLA13 END 117.9
HIERARCH ESO ISS PBL14 START 92.153
HIERARCH ESO ISS PBL14 END 91.787
HIERARCH ESO ISS PBLA14 START 87.151
HIERARCH ESO ISS PBLA14 END 87.236
HIERARCH ESO ISS PBL23 START 45.294
HIERARCH ESO ISS PBL23 END 45.156
HIERARCH ESO ISS PBLA23 START 66.9
HIERARCH ESO ISS PBLA23 END 66.9
HIERARCH ESO ISS PBL24 START 83.284
HIERARCH ESO ISS PBL24 END 83.194
HIERARCH ESO ISS PBLA24 START 38.259
HIERARCH ESO ISS PBLA24 END 38.277
HIERARCH ESO ISS PBL34 START 48.634
HIERARCH ESO ISS PBL34 END 48.635
HIERARCH ESO ISS PBLA34 START 11.759
HIERARCH ESO ISS PBLA34 END 11.861
HIERARCH ESO ISS AMBI TAU0 START 0.003982
HIERARCH ESO ISS AMBI TAU0 END 0.003982
HIERARCH ESO ISS AMBI TEMP 13.7
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.84