Exposure
ID
MATIS.2025-06-21T07:50:39.814_1
Header ID
MATIS.2025-06-21T07:50:39.814
Date updated
2025-06-21 08:00:51 UTC+0000
Release date
2025-06-21 07:50:39 UTC+0000
UTC Start
2025-06-21 07:50:39.814
UTC End
2025-06-21 07:51:39.822
MJD Start
60847.3268497
MJD End
60847.32754423704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004039
Ambient temperature (°C)
11.34
Seeing (arcsec)
0.56
Observation
ID
68185
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
50685
Name
del Sgr
RA
275.248725
DEC
-29.82826
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 56.2500 56.1140 295.5000 295.7000
K0-D0 76.7220 76.4980 270.3000 270.4000
K0-J3 56.2780 56.2760 354.4210 354.5690
G2-D0 35.2700 35.2160 227.4000 227.4000
G2-J3 55.3340 55.2290 54.9440 54.9940
D0-J3 90.4160 90.2580 52.0040 52.0520
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 60847.3268497
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.248725
DEC -29.82826
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 56.25
HIERARCH ESO ISS PBL12 END 56.114
HIERARCH ESO ISS PBLA12 START 295.5
HIERARCH ESO ISS PBLA12 END 295.7
HIERARCH ESO ISS PBL13 START 76.722
HIERARCH ESO ISS PBL13 END 76.498
HIERARCH ESO ISS PBLA13 START 270.3
HIERARCH ESO ISS PBLA13 END 270.4
HIERARCH ESO ISS PBL14 START 56.278
HIERARCH ESO ISS PBL14 END 56.276
HIERARCH ESO ISS PBLA14 START 354.421
HIERARCH ESO ISS PBLA14 END 354.569
HIERARCH ESO ISS PBL23 START 35.27
HIERARCH ESO ISS PBL23 END 35.216
HIERARCH ESO ISS PBLA23 START 227.4
HIERARCH ESO ISS PBLA23 END 227.4
HIERARCH ESO ISS PBL24 START 55.334
HIERARCH ESO ISS PBL24 END 55.229
HIERARCH ESO ISS PBLA24 START 54.944
HIERARCH ESO ISS PBLA24 END 54.994
HIERARCH ESO ISS PBL34 START 90.416
HIERARCH ESO ISS PBL34 END 90.258
HIERARCH ESO ISS PBLA34 START 52.004
HIERARCH ESO ISS PBLA34 END 52.052
HIERARCH ESO ISS AMBI TAU0 START 0.004186
HIERARCH ESO ISS AMBI TAU0 END 0.003892
HIERARCH ESO ISS AMBI TEMP 11.34
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.58