Exposure
ID
MATIS.2025-09-22T00:54:40.271_1
Header ID
MATIS.2025-09-22T00:54:40.271
Date updated
2025-09-22 01:01:02 UTC+0000
Release date
2025-09-22 00:54:40 UTC+0000
UTC Start
2025-09-22 00:54:40.271
UTC End
2025-09-22 00:55:40.279
MJD Start
60940.0379661
MJD End
60940.03866063704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.005428
Ambient temperature (°C)
11.78
Seeing (arcsec)
0.56
Observation
ID
70484
Category
calibrator
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
52266
Name
eps Sgr
RA
276.041372
DEC
-34.38533
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 87.4970 87.4350 132.9000 133.1000
A0-J2 119.7530 119.5850 109.6000 109.8000
A0-K0 115.3120 115.1080 86.0890 86.2260
G1-J2 52.3780 52.2910 68.4000 68.5000
G1-K0 84.4960 84.4240 37.0760 37.1550
J2-K0 48.1530 48.1520 2.6810 2.7940
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.005
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD
MJD-OBS 60940.0379661
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041372
DEC -34.38533
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 87.497
HIERARCH ESO ISS PBL12 END 87.435
HIERARCH ESO ISS PBLA12 START 132.9
HIERARCH ESO ISS PBLA12 END 133.1
HIERARCH ESO ISS PBL13 START 119.753
HIERARCH ESO ISS PBL13 END 119.585
HIERARCH ESO ISS PBLA13 START 109.6
HIERARCH ESO ISS PBLA13 END 109.8
HIERARCH ESO ISS PBL14 START 115.312
HIERARCH ESO ISS PBL14 END 115.108
HIERARCH ESO ISS PBLA14 START 86.089
HIERARCH ESO ISS PBLA14 END 86.226
HIERARCH ESO ISS PBL23 START 52.378
HIERARCH ESO ISS PBL23 END 52.291
HIERARCH ESO ISS PBLA23 START 68.4
HIERARCH ESO ISS PBLA23 END 68.5
HIERARCH ESO ISS PBL24 START 84.496
HIERARCH ESO ISS PBL24 END 84.424
HIERARCH ESO ISS PBLA24 START 37.076
HIERARCH ESO ISS PBLA24 END 37.155
HIERARCH ESO ISS PBL34 START 48.153
HIERARCH ESO ISS PBL34 END 48.152
HIERARCH ESO ISS PBLA34 START 2.681
HIERARCH ESO ISS PBLA34 END 2.794
HIERARCH ESO ISS AMBI TAU0 START 0.005428
HIERARCH ESO ISS AMBI TAU0 END 0.005428
HIERARCH ESO ISS AMBI TEMP 11.78
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.58