Exposure
ID
MATIS.2025-08-14T03:10:36.789_1
Header ID
MATIS.2025-08-14T03:10:36.789
Date updated
2025-08-14 03:20:53 UTC+0000
Release date
2026-08-14 03:20:52 UTC+0000
UTC Start
2025-08-14 03:10:36.789
UTC End
2025-08-14 03:11:36.797
MJD Start
60901.13237024
MJD End
60901.13306477704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0055245
Ambient temperature (°C)
14.41
Seeing (arcsec)
0.9
Observation
ID
69986
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
51926
Name
V VX Sgr
RA
272.016259
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
K0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-B2 113.5770 113.4020 248.3000 248.4000
K0-D0 87.6800 87.5210 260.3000 260.4000
K0-J3 55.4920 55.4810 346.3590 346.5010
B2-D0 33.3150 33.2990 35.0000 35.0000
B2-J3 133.2220 133.1230 43.9380 43.9900
D0-J3 100.4510 100.3670 46.9080 46.9590
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 60901.13237024
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016259
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 B2
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 113.577
HIERARCH ESO ISS PBL12 END 113.402
HIERARCH ESO ISS PBLA12 START 248.3
HIERARCH ESO ISS PBLA12 END 248.4
HIERARCH ESO ISS PBL13 START 87.68
HIERARCH ESO ISS PBL13 END 87.521
HIERARCH ESO ISS PBLA13 START 260.3
HIERARCH ESO ISS PBLA13 END 260.4
HIERARCH ESO ISS PBL14 START 55.492
HIERARCH ESO ISS PBL14 END 55.481
HIERARCH ESO ISS PBLA14 START 346.359
HIERARCH ESO ISS PBLA14 END 346.501
HIERARCH ESO ISS PBL23 START 33.315
HIERARCH ESO ISS PBL23 END 33.299
HIERARCH ESO ISS PBLA23 START 35.0
HIERARCH ESO ISS PBLA23 END 35.0
HIERARCH ESO ISS PBL24 START 133.222
HIERARCH ESO ISS PBL24 END 133.123
HIERARCH ESO ISS PBLA24 START 43.938
HIERARCH ESO ISS PBLA24 END 43.99
HIERARCH ESO ISS PBL34 START 100.451
HIERARCH ESO ISS PBL34 END 100.367
HIERARCH ESO ISS PBLA34 START 46.908
HIERARCH ESO ISS PBLA34 END 46.959
HIERARCH ESO ISS AMBI TAU0 START 0.005317
HIERARCH ESO ISS AMBI TAU0 END 0.005732
HIERARCH ESO ISS AMBI TEMP 14.41
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 1.01