Exposure
ID
MATIS.2025-09-22T00:53:28.540_1
Header ID
MATIS.2025-09-22T00:53:28.540
Date updated
2025-09-22 01:01:02 UTC+0000
Release date
2025-09-22 00:53:28 UTC+0000
UTC Start
2025-09-22 00:53:28.540
UTC End
2025-09-22 00:54:28.548
MJD Start
60940.03713588
MJD End
60940.03783041704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.005199
Ambient temperature (°C)
11.95
Seeing (arcsec)
0.53
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 87.5700 87.5080 132.7000 132.9000
A0-J2 119.9510 119.7840 109.4000 109.6000
A0-K0 115.5510 115.3480 85.9270 86.0640
G1-J2 52.4800 52.3940 68.2000 68.3000
G1-K0 84.5800 84.5090 36.9820 37.0610
J2-K0 48.1550 48.1540 2.5460 2.6600
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 60940.03713588
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 87.57
HIERARCH ESO ISS PBL12 END 87.508
HIERARCH ESO ISS PBLA12 START 132.7
HIERARCH ESO ISS PBLA12 END 132.9
HIERARCH ESO ISS PBL13 START 119.951
HIERARCH ESO ISS PBL13 END 119.784
HIERARCH ESO ISS PBLA13 START 109.4
HIERARCH ESO ISS PBLA13 END 109.6
HIERARCH ESO ISS PBL14 START 115.551
HIERARCH ESO ISS PBL14 END 115.348
HIERARCH ESO ISS PBLA14 START 85.927
HIERARCH ESO ISS PBLA14 END 86.064
HIERARCH ESO ISS PBL23 START 52.48
HIERARCH ESO ISS PBL23 END 52.394
HIERARCH ESO ISS PBLA23 START 68.2
HIERARCH ESO ISS PBLA23 END 68.3
HIERARCH ESO ISS PBL24 START 84.58
HIERARCH ESO ISS PBL24 END 84.509
HIERARCH ESO ISS PBLA24 START 36.982
HIERARCH ESO ISS PBLA24 END 37.061
HIERARCH ESO ISS PBL34 START 48.155
HIERARCH ESO ISS PBL34 END 48.154
HIERARCH ESO ISS PBLA34 START 2.546
HIERARCH ESO ISS PBLA34 END 2.66
HIERARCH ESO ISS AMBI TAU0 START 0.005199
HIERARCH ESO ISS AMBI TAU0 END 0.005199
HIERARCH ESO ISS AMBI TEMP 11.95
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.53