Exposure
ID
MATIS.2025-09-23T23:58:26.028_1
Header ID
MATIS.2025-09-23T23:58:26.028
Date updated
2025-09-24 00:05:53 UTC+0000
Release date
2025-09-23 23:58:26 UTC+0000
UTC Start
2025-09-23 23:58:26.028
UTC End
2025-09-23 23:59:26.088
MJD Start
60941.99891236
MJD End
60941.99960749889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.008231
Ambient temperature (°C)
15.29
Seeing (arcsec)
0.645
Observation
ID
70483
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
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 89.8290 89.7950 124.8000 125.0000
A0-J2 126.1920 126.0910 101.9000 102.1000
A0-K0 123.1540 123.0270 79.6990 79.8280
G1-J2 55.7480 55.6930 63.1000 63.2000
G1-K0 87.3110 87.2640 32.8990 32.9900
J2-K0 48.1530 48.1540 357.2640 357.3740
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 60941.99891236
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041372
DEC -34.38533
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 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 89.829
HIERARCH ESO ISS PBL12 END 89.795
HIERARCH ESO ISS PBLA12 START 124.8
HIERARCH ESO ISS PBLA12 END 125.0
HIERARCH ESO ISS PBL13 START 126.192
HIERARCH ESO ISS PBL13 END 126.091
HIERARCH ESO ISS PBLA13 START 101.9
HIERARCH ESO ISS PBLA13 END 102.1
HIERARCH ESO ISS PBL14 START 123.154
HIERARCH ESO ISS PBL14 END 123.027
HIERARCH ESO ISS PBLA14 START 79.699
HIERARCH ESO ISS PBLA14 END 79.828
HIERARCH ESO ISS PBL23 START 55.748
HIERARCH ESO ISS PBL23 END 55.693
HIERARCH ESO ISS PBLA23 START 63.1
HIERARCH ESO ISS PBLA23 END 63.2
HIERARCH ESO ISS PBL24 START 87.311
HIERARCH ESO ISS PBL24 END 87.264
HIERARCH ESO ISS PBLA24 START 32.899
HIERARCH ESO ISS PBLA24 END 32.99
HIERARCH ESO ISS PBL34 START 48.153
HIERARCH ESO ISS PBL34 END 48.154
HIERARCH ESO ISS PBLA34 START 357.264
HIERARCH ESO ISS PBLA34 END 357.374
HIERARCH ESO ISS AMBI TAU0 START 0.008231
HIERARCH ESO ISS AMBI TAU0 END 0.008231
HIERARCH ESO ISS AMBI TEMP 15.29
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.61