Exposure
ID
MATIS.2025-08-14T03:39:24.078_1
Header ID
MATIS.2025-08-14T03:39:24.078
Date updated
2025-08-14 03:50:51 UTC+0000
Release date
2025-08-14 03:39:24 UTC+0000
UTC Start
2025-08-14 03:39:24.078
UTC End
2025-08-14 03:40:24.138
MJD Start
60901.15236201
MJD End
60901.153057148884
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.008737499999999999
Ambient temperature (°C)
14.53
Seeing (arcsec)
0.77
Observation
ID
69987
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
51927
Name
del Sgr
RA
275.248086
DEC
-29.82826
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
K0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-B2 108.3070 108.0970 252.8000 252.9000
K0-D0 84.3710 84.1940 265.6000 265.7000
K0-J3 56.3880 56.3840 348.8050 348.9490
B2-D0 32.0470 32.0210 37.1000 37.2000
B2-J3 127.2370 127.0890 46.6460 46.7100
D0-J3 95.7790 95.6560 49.8210 49.8860
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 60901.15236201
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.248086
DEC -29.82826
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 K0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 108.307
HIERARCH ESO ISS PBL12 END 108.097
HIERARCH ESO ISS PBLA12 START 252.8
HIERARCH ESO ISS PBLA12 END 252.9
HIERARCH ESO ISS PBL13 START 84.371
HIERARCH ESO ISS PBL13 END 84.194
HIERARCH ESO ISS PBLA13 START 265.6
HIERARCH ESO ISS PBLA13 END 265.7
HIERARCH ESO ISS PBL14 START 56.388
HIERARCH ESO ISS PBL14 END 56.384
HIERARCH ESO ISS PBLA14 START 348.805
HIERARCH ESO ISS PBLA14 END 348.949
HIERARCH ESO ISS PBL23 START 32.047
HIERARCH ESO ISS PBL23 END 32.021
HIERARCH ESO ISS PBLA23 START 37.1
HIERARCH ESO ISS PBLA23 END 37.2
HIERARCH ESO ISS PBL24 START 127.237
HIERARCH ESO ISS PBL24 END 127.089
HIERARCH ESO ISS PBLA24 START 46.646
HIERARCH ESO ISS PBLA24 END 46.71
HIERARCH ESO ISS PBL34 START 95.779
HIERARCH ESO ISS PBL34 END 95.656
HIERARCH ESO ISS PBLA34 START 49.821
HIERARCH ESO ISS PBLA34 END 49.886
HIERARCH ESO ISS AMBI TAU0 START 0.009439
HIERARCH ESO ISS AMBI TAU0 END 0.008036
HIERARCH ESO ISS AMBI TEMP 14.53
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.79