Exposure
ID
MATIS.2025-09-23T23:56:02.196_1
Header ID
MATIS.2025-09-23T23:56:02.196
Date updated
2025-09-24 00:05:53 UTC+0000
Release date
2025-09-23 23:56:02 UTC+0000
UTC Start
2025-09-23 23:56:02.196
UTC End
2025-09-23 23:57:02.256
MJD Start
60941.99724764
MJD End
60941.997942778886
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.0082465
Ambient temperature (°C)
15.28
Seeing (arcsec)
0.73
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 89.9050 89.8730 124.4000 124.6000
A0-J2 126.4240 126.3270 101.6000 101.7000
A0-K0 123.4460 123.3240 79.3840 79.5130
G1-J2 55.8760 55.8220 62.8000 63.0000
G1-K0 87.4220 87.3750 32.6720 32.7640
J2-K0 48.1500 48.1510 356.9960 357.1050
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 60941.99724764
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 89.905
HIERARCH ESO ISS PBL12 END 89.873
HIERARCH ESO ISS PBLA12 START 124.4
HIERARCH ESO ISS PBLA12 END 124.6
HIERARCH ESO ISS PBL13 START 126.424
HIERARCH ESO ISS PBL13 END 126.327
HIERARCH ESO ISS PBLA13 START 101.6
HIERARCH ESO ISS PBLA13 END 101.7
HIERARCH ESO ISS PBL14 START 123.446
HIERARCH ESO ISS PBL14 END 123.324
HIERARCH ESO ISS PBLA14 START 79.384
HIERARCH ESO ISS PBLA14 END 79.513
HIERARCH ESO ISS PBL23 START 55.876
HIERARCH ESO ISS PBL23 END 55.822
HIERARCH ESO ISS PBLA23 START 62.8
HIERARCH ESO ISS PBLA23 END 63.0
HIERARCH ESO ISS PBL24 START 87.422
HIERARCH ESO ISS PBL24 END 87.375
HIERARCH ESO ISS PBLA24 START 32.672
HIERARCH ESO ISS PBLA24 END 32.764
HIERARCH ESO ISS PBL34 START 48.15
HIERARCH ESO ISS PBL34 END 48.151
HIERARCH ESO ISS PBLA34 START 356.996
HIERARCH ESO ISS PBLA34 END 357.105
HIERARCH ESO ISS AMBI TAU0 START 0.008262
HIERARCH ESO ISS AMBI TAU0 END 0.008231
HIERARCH ESO ISS AMBI TEMP 15.28
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.73