Exposure
ID
MATIS.2025-07-17T05:58:40.147_1
Header ID
MATIS.2025-07-17T05:58:40.147
Date updated
2025-07-17 06:06:07 UTC+0000
Release date
2025-07-17 05:58:40 UTC+0000
UTC Start
2025-07-17 05:58:40.147
UTC End
2025-07-17 05:59:40.111
MJD Start
60873.24907577
MJD End
60873.249769797774
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004384000000000001
Ambient temperature (°C)
13.82
Seeing (arcsec)
1.1
Observation
ID
68811
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
51193
Name
eps Sgr
RA
276.041374
DEC
-34.38532
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 84.7370 84.6630 140.6000 140.8000
A0-J2 112.1630 111.9520 117.0000 117.2000
A0-K0 105.9890 105.7250 91.7450 91.8920
G1-J2 48.3840 48.2700 72.5000 72.6000
G1-K0 81.1950 81.1010 39.9570 40.0200
J2-K0 48.0620 48.0590 7.1710 7.2800
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 60873.24907577
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041374
DEC -34.38532
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL 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 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.228
HIERARCH ESO DET NDIT 263
HIERARCH ESO ISS PBL12 START 84.737
HIERARCH ESO ISS PBL12 END 84.663
HIERARCH ESO ISS PBLA12 START 140.6
HIERARCH ESO ISS PBLA12 END 140.8
HIERARCH ESO ISS PBL13 START 112.163
HIERARCH ESO ISS PBL13 END 111.952
HIERARCH ESO ISS PBLA13 START 117.0
HIERARCH ESO ISS PBLA13 END 117.2
HIERARCH ESO ISS PBL14 START 105.989
HIERARCH ESO ISS PBL14 END 105.725
HIERARCH ESO ISS PBLA14 START 91.745
HIERARCH ESO ISS PBLA14 END 91.892
HIERARCH ESO ISS PBL23 START 48.384
HIERARCH ESO ISS PBL23 END 48.27
HIERARCH ESO ISS PBLA23 START 72.5
HIERARCH ESO ISS PBLA23 END 72.6
HIERARCH ESO ISS PBL24 START 81.195
HIERARCH ESO ISS PBL24 END 81.101
HIERARCH ESO ISS PBLA24 START 39.957
HIERARCH ESO ISS PBLA24 END 40.02
HIERARCH ESO ISS PBL34 START 48.062
HIERARCH ESO ISS PBL34 END 48.059
HIERARCH ESO ISS PBLA34 START 7.171
HIERARCH ESO ISS PBLA34 END 7.28
HIERARCH ESO ISS AMBI TAU0 START 0.004661
HIERARCH ESO ISS AMBI TAU0 END 0.004107
HIERARCH ESO ISS AMBI TEMP 13.82
HIERARCH ESO ISS AMBI FWHM START 1.06
HIERARCH ESO ISS AMBI FWHM END 1.14