Exposure
ID
MATIS.2025-06-18T03:41:05.427_1
Header ID
MATIS.2025-06-18T03:41:05.427
Date updated
2025-06-18 03:45:44 UTC+0000
Release date
2025-06-18 03:41:05 UTC+0000
UTC Start
2025-06-18 03:41:05.427
UTC End
2025-06-18 03:42:05.487
MJD Start
60844.15353503
MJD End
60844.15423016888
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.00273
Ambient temperature (°C)
7.06
Seeing (arcsec)
0.75
Observation
ID
68117
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
50632
Name
eps Sgr
RA
276.041375
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 82.9050 83.0350 103.2000 103.3000
A0-J2 120.6860 120.8520 78.2000 78.4000
A0-K0 123.4480 123.5500 56.0530 56.2290
G1-J2 57.3790 57.4020 40.7000 40.9000
G1-K0 90.4480 90.4460 13.8700 14.0080
J2-K0 47.0260 47.0410 340.4480 340.5400
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 60844.15353503
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041375
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 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 82.905
HIERARCH ESO ISS PBL12 END 83.035
HIERARCH ESO ISS PBLA12 START 103.2
HIERARCH ESO ISS PBLA12 END 103.3
HIERARCH ESO ISS PBL13 START 120.686
HIERARCH ESO ISS PBL13 END 120.852
HIERARCH ESO ISS PBLA13 START 78.2
HIERARCH ESO ISS PBLA13 END 78.4
HIERARCH ESO ISS PBL14 START 123.448
HIERARCH ESO ISS PBL14 END 123.55
HIERARCH ESO ISS PBLA14 START 56.053
HIERARCH ESO ISS PBLA14 END 56.229
HIERARCH ESO ISS PBL23 START 57.379
HIERARCH ESO ISS PBL23 END 57.402
HIERARCH ESO ISS PBLA23 START 40.7
HIERARCH ESO ISS PBLA23 END 40.9
HIERARCH ESO ISS PBL24 START 90.448
HIERARCH ESO ISS PBL24 END 90.446
HIERARCH ESO ISS PBLA24 START 13.87
HIERARCH ESO ISS PBLA24 END 14.008
HIERARCH ESO ISS PBL34 START 47.026
HIERARCH ESO ISS PBL34 END 47.041
HIERARCH ESO ISS PBLA34 START 340.448
HIERARCH ESO ISS PBLA34 END 340.54
HIERARCH ESO ISS AMBI TAU0 START 0.00273
HIERARCH ESO ISS AMBI TAU0 END 0.00273
HIERARCH ESO ISS AMBI TEMP 7.06
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.75