Exposure
ID
MATIS.2025-06-18T03:36:11.985_1
Header ID
MATIS.2025-06-18T03:36:11.985
Date updated
2025-06-18 03:45:44 UTC+0000
Release date
2025-06-18 03:36:11 UTC+0000
UTC Start
2025-06-18 03:36:11.985
UTC End
2025-06-18 03:37:11.993
MJD Start
60844.15013871
MJD End
60844.15083324704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0032125
Ambient temperature (°C)
7.02
Seeing (arcsec)
0.675
Observation
ID
68118
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
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 82.2690 82.4040 102.6000 102.7000
A0-J2 119.8720 120.0440 77.5000 77.6000
A0-K0 122.9440 123.0500 55.2020 55.3800
G1-J2 57.2620 57.2870 39.9000 40.1000
G1-K0 90.4580 90.4560 13.2050 13.3440
J2-K0 46.9510 46.9670 340.0120 340.1030
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 60844.15013871
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041375
DEC -34.38532
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 82.269
HIERARCH ESO ISS PBL12 END 82.404
HIERARCH ESO ISS PBLA12 START 102.6
HIERARCH ESO ISS PBLA12 END 102.7
HIERARCH ESO ISS PBL13 START 119.872
HIERARCH ESO ISS PBL13 END 120.044
HIERARCH ESO ISS PBLA13 START 77.5
HIERARCH ESO ISS PBLA13 END 77.6
HIERARCH ESO ISS PBL14 START 122.944
HIERARCH ESO ISS PBL14 END 123.05
HIERARCH ESO ISS PBLA14 START 55.202
HIERARCH ESO ISS PBLA14 END 55.38
HIERARCH ESO ISS PBL23 START 57.262
HIERARCH ESO ISS PBL23 END 57.287
HIERARCH ESO ISS PBLA23 START 39.9
HIERARCH ESO ISS PBLA23 END 40.1
HIERARCH ESO ISS PBL24 START 90.458
HIERARCH ESO ISS PBL24 END 90.456
HIERARCH ESO ISS PBLA24 START 13.205
HIERARCH ESO ISS PBLA24 END 13.344
HIERARCH ESO ISS PBL34 START 46.951
HIERARCH ESO ISS PBL34 END 46.967
HIERARCH ESO ISS PBLA34 START 340.012
HIERARCH ESO ISS PBLA34 END 340.103
HIERARCH ESO ISS AMBI TAU0 START 0.003228
HIERARCH ESO ISS AMBI TAU0 END 0.003197
HIERARCH ESO ISS AMBI TEMP 7.02
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.67