Exposure
ID
MATIS.2025-07-25T06:11:40.853_1
Header ID
MATIS.2025-07-25T06:11:40.853
Date updated
2025-07-25 06:20:56 UTC+0000
Release date
2025-07-25 06:11:40 UTC+0000
UTC Start
2025-07-25 06:11:40.853
UTC End
2025-07-25 06:12:40.913
MJD Start
60881.25811173
MJD End
60881.258806868886
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.003793
Ambient temperature (°C)
12.0
Seeing (arcsec)
0.56
Observation
ID
68970
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 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.6220 24.6190 171.9000 172.1000
A0-D0 22.8390 22.7520 94.9000 95.0000
A0-C1 19.5760 19.5540 149.6800 149.9170
B2-D0 29.5930 29.5510 40.7000 40.7000
B2-C1 9.8600 9.8460 40.6740 40.7060
D0-C1 19.7330 19.7050 220.7340 220.7660
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 60881.25811173
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 24.622
HIERARCH ESO ISS PBL12 END 24.619
HIERARCH ESO ISS PBLA12 START 171.9
HIERARCH ESO ISS PBLA12 END 172.1
HIERARCH ESO ISS PBL13 START 22.839
HIERARCH ESO ISS PBL13 END 22.752
HIERARCH ESO ISS PBLA13 START 94.9
HIERARCH ESO ISS PBLA13 END 95.0
HIERARCH ESO ISS PBL14 START 19.576
HIERARCH ESO ISS PBL14 END 19.554
HIERARCH ESO ISS PBLA14 START 149.68
HIERARCH ESO ISS PBLA14 END 149.917
HIERARCH ESO ISS PBL23 START 29.593
HIERARCH ESO ISS PBL23 END 29.551
HIERARCH ESO ISS PBLA23 START 40.7
HIERARCH ESO ISS PBLA23 END 40.7
HIERARCH ESO ISS PBL24 START 9.86
HIERARCH ESO ISS PBL24 END 9.846
HIERARCH ESO ISS PBLA24 START 40.674
HIERARCH ESO ISS PBLA24 END 40.706
HIERARCH ESO ISS PBL34 START 19.733
HIERARCH ESO ISS PBL34 END 19.705
HIERARCH ESO ISS PBLA34 START 220.734
HIERARCH ESO ISS PBLA34 END 220.766
HIERARCH ESO ISS AMBI TAU0 START 0.003793
HIERARCH ESO ISS AMBI TAU0 END 0.003793
HIERARCH ESO ISS AMBI TEMP 12.0
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.56