Exposure
ID
MATIS.2025-06-27T05:34:54.038_1
Header ID
MATIS.2025-06-27T05:34:54.038
Date updated
2025-06-27 05:41:33 UTC+0000
Release date
2025-06-27 05:34:54 UTC+0000
UTC Start
2025-06-27 05:34:54.038
UTC End
2025-06-27 05:35:54.046
MJD Start
60853.23256989
MJD End
60853.23326442704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.001696
Ambient temperature (°C)
5.65
Seeing (arcsec)
1.25
Observation
ID
68244
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
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.2770 25.2750 148.9000 149.1000
A0-D0 31.2160 31.1890 77.3000 77.4000
A0-C1 22.4170 22.4070 122.8140 122.9570
B2-D0 33.3980 33.3860 31.4000 31.5000
B2-C1 11.1250 11.1210 31.3660 31.4590
D0-C1 22.2730 22.2640 211.4300 211.5230
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 60853.23256989
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247445
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 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 25.277
HIERARCH ESO ISS PBL12 END 25.275
HIERARCH ESO ISS PBLA12 START 148.9
HIERARCH ESO ISS PBLA12 END 149.1
HIERARCH ESO ISS PBL13 START 31.216
HIERARCH ESO ISS PBL13 END 31.189
HIERARCH ESO ISS PBLA13 START 77.3
HIERARCH ESO ISS PBLA13 END 77.4
HIERARCH ESO ISS PBL14 START 22.417
HIERARCH ESO ISS PBL14 END 22.407
HIERARCH ESO ISS PBLA14 START 122.814
HIERARCH ESO ISS PBLA14 END 122.957
HIERARCH ESO ISS PBL23 START 33.398
HIERARCH ESO ISS PBL23 END 33.386
HIERARCH ESO ISS PBLA23 START 31.4
HIERARCH ESO ISS PBLA23 END 31.5
HIERARCH ESO ISS PBL24 START 11.125
HIERARCH ESO ISS PBL24 END 11.121
HIERARCH ESO ISS PBLA24 START 31.366
HIERARCH ESO ISS PBLA24 END 31.459
HIERARCH ESO ISS PBL34 START 22.273
HIERARCH ESO ISS PBL34 END 22.264
HIERARCH ESO ISS PBLA34 START 211.43
HIERARCH ESO ISS PBLA34 END 211.523
HIERARCH ESO ISS AMBI TAU0 START 0.001873
HIERARCH ESO ISS AMBI TAU0 END 0.001519
HIERARCH ESO ISS AMBI TEMP 5.65
HIERARCH ESO ISS AMBI FWHM START 1.06
HIERARCH ESO ISS AMBI FWHM END 1.44