Exposure
ID
MATIS.2025-07-17T06:52:11.738_1
Header ID
MATIS.2025-07-17T06:52:11.738
Date updated
2025-07-17 07:00:57 UTC+0000
Release date
2025-07-17 06:52:11 UTC+0000
UTC Start
2025-07-17 06:52:11.738
UTC End
2025-07-17 06:53:11.798
MJD Start
60873.28624697
MJD End
60873.28694210888
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.003199
Ambient temperature (°C)
13.73
Seeing (arcsec)
0.95
Observation
ID
68813
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
51196
Name
del Sgr
RA
275.247446
DEC
-29.82826
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 77.5380 77.4530 151.8000 152.1000
A0-J2 95.4100 95.1390 126.4000 126.6000
A0-K0 88.2110 87.8530 96.2060 96.3590
G1-J2 41.8520 41.7010 73.7000 73.8000
G1-K0 77.8950 77.7780 40.9770 41.0050
J2-K0 48.3310 48.3260 13.0360 13.1370
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 60873.28624697
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247446
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 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 77.538
HIERARCH ESO ISS PBL12 END 77.453
HIERARCH ESO ISS PBLA12 START 151.8
HIERARCH ESO ISS PBLA12 END 152.1
HIERARCH ESO ISS PBL13 START 95.41
HIERARCH ESO ISS PBL13 END 95.139
HIERARCH ESO ISS PBLA13 START 126.4
HIERARCH ESO ISS PBLA13 END 126.6
HIERARCH ESO ISS PBL14 START 88.211
HIERARCH ESO ISS PBL14 END 87.853
HIERARCH ESO ISS PBLA14 START 96.206
HIERARCH ESO ISS PBLA14 END 96.359
HIERARCH ESO ISS PBL23 START 41.852
HIERARCH ESO ISS PBL23 END 41.701
HIERARCH ESO ISS PBLA23 START 73.7
HIERARCH ESO ISS PBLA23 END 73.8
HIERARCH ESO ISS PBL24 START 77.895
HIERARCH ESO ISS PBL24 END 77.778
HIERARCH ESO ISS PBLA24 START 40.977
HIERARCH ESO ISS PBLA24 END 41.005
HIERARCH ESO ISS PBL34 START 48.331
HIERARCH ESO ISS PBL34 END 48.326
HIERARCH ESO ISS PBLA34 START 13.036
HIERARCH ESO ISS PBLA34 END 13.137
HIERARCH ESO ISS AMBI TAU0 START 0.003199
HIERARCH ESO ISS AMBI TAU0 END 0.003199
HIERARCH ESO ISS AMBI TEMP 13.73
HIERARCH ESO ISS AMBI FWHM START 0.95
HIERARCH ESO ISS AMBI FWHM END 0.95