Exposure
ID
MATIS.2025-06-28T00:54:12.919_1
Header ID
MATIS.2025-06-28T00:54:12.919
Date updated
2025-06-28 01:01:40 UTC+0000
Release date
2025-06-28 00:54:12 UTC+0000
UTC Start
2025-06-28 00:54:12.919
UTC End
2025-06-28 00:55:12.979
MJD Start
60854.03764952
MJD End
60854.03834465889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.002495
Ambient temperature (°C)
6.49
Seeing (arcsec)
0.52
Observation
ID
68243
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
50633
Name
del Sgr
RA
275.247445
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 19.5120 19.5610 127.3000 127.3000
A0-D0 25.6120 25.6500 31.2000 31.5000
A0-C1 14.7830 14.8490 92.2730 92.3890
B2-D0 33.7930 33.7930 356.2000 356.3000
B2-C1 11.2570 11.2570 356.1560 356.3030
D0-C1 22.5360 22.5350 176.1970 176.3440
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 60854.03764952
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247445
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 19.512
HIERARCH ESO ISS PBL12 END 19.561
HIERARCH ESO ISS PBLA12 START 127.3
HIERARCH ESO ISS PBLA12 END 127.3
HIERARCH ESO ISS PBL13 START 25.612
HIERARCH ESO ISS PBL13 END 25.65
HIERARCH ESO ISS PBLA13 START 31.2
HIERARCH ESO ISS PBLA13 END 31.5
HIERARCH ESO ISS PBL14 START 14.783
HIERARCH ESO ISS PBL14 END 14.849
HIERARCH ESO ISS PBLA14 START 92.273
HIERARCH ESO ISS PBLA14 END 92.389
HIERARCH ESO ISS PBL23 START 33.793
HIERARCH ESO ISS PBL23 END 33.793
HIERARCH ESO ISS PBLA23 START 356.2
HIERARCH ESO ISS PBLA23 END 356.3
HIERARCH ESO ISS PBL24 START 11.257
HIERARCH ESO ISS PBL24 END 11.257
HIERARCH ESO ISS PBLA24 START 356.156
HIERARCH ESO ISS PBLA24 END 356.303
HIERARCH ESO ISS PBL34 START 22.536
HIERARCH ESO ISS PBL34 END 22.535
HIERARCH ESO ISS PBLA34 START 176.197
HIERARCH ESO ISS PBLA34 END 176.344
HIERARCH ESO ISS AMBI TAU0 START 0.002495
HIERARCH ESO ISS AMBI TAU0 END 0.002495
HIERARCH ESO ISS AMBI TEMP 6.49
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.53