Exposure
ID
MATIS.2025-09-22T00:59:37.022_1
Header ID
MATIS.2025-09-22T00:59:37.022
Date updated
2025-09-22 01:05:58 UTC+0000
Release date
2025-09-22 00:59:37 UTC+0000
UTC Start
2025-09-22 00:59:37.022
UTC End
2025-09-22 01:00:37.030
MJD Start
60940.04140072
MJD End
60940.04209525704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.005339
Ambient temperature (°C)
11.74
Seeing (arcsec)
0.545
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 87.1890 87.1240 133.8000 134.0000
A0-J2 118.9210 118.7460 110.5000 110.7000
A0-K0 114.3030 114.0910 86.7580 86.8960
G1-J2 51.9470 51.8570 68.9000 69.0000
G1-K0 84.1410 84.0660 37.4590 37.5370
J2-K0 48.1470 48.1450 3.2330 3.3470
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 60940.04140072
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 87.189
HIERARCH ESO ISS PBL12 END 87.124
HIERARCH ESO ISS PBLA12 START 133.8
HIERARCH ESO ISS PBLA12 END 134.0
HIERARCH ESO ISS PBL13 START 118.921
HIERARCH ESO ISS PBL13 END 118.746
HIERARCH ESO ISS PBLA13 START 110.5
HIERARCH ESO ISS PBLA13 END 110.7
HIERARCH ESO ISS PBL14 START 114.303
HIERARCH ESO ISS PBL14 END 114.091
HIERARCH ESO ISS PBLA14 START 86.758
HIERARCH ESO ISS PBLA14 END 86.896
HIERARCH ESO ISS PBL23 START 51.947
HIERARCH ESO ISS PBL23 END 51.857
HIERARCH ESO ISS PBLA23 START 68.9
HIERARCH ESO ISS PBLA23 END 69.0
HIERARCH ESO ISS PBL24 START 84.141
HIERARCH ESO ISS PBL24 END 84.066
HIERARCH ESO ISS PBLA24 START 37.459
HIERARCH ESO ISS PBLA24 END 37.537
HIERARCH ESO ISS PBL34 START 48.147
HIERARCH ESO ISS PBL34 END 48.145
HIERARCH ESO ISS PBLA34 START 3.233
HIERARCH ESO ISS PBLA34 END 3.347
HIERARCH ESO ISS AMBI TAU0 START 0.005339
HIERARCH ESO ISS AMBI TAU0 END 0.005339
HIERARCH ESO ISS AMBI TEMP 11.74
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.54