Exposure
ID
MATIS.2025-08-14T03:38:06.532_1
Header ID
MATIS.2025-08-14T03:38:06.532
Date updated
2025-08-14 03:50:51 UTC+0000
Release date
2025-08-14 03:38:06 UTC+0000
UTC Start
2025-08-14 03:38:06.532
UTC End
2025-08-14 03:39:06.540
MJD Start
60901.15146449
MJD End
60901.15215902704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.008766
Ambient temperature (°C)
14.49
Seeing (arcsec)
0.7849999999999999
Observation
ID
69988
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
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
K0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-B2 108.5710 108.3620 252.7000 252.8000
K0-D0 84.5920 84.4170 265.4000 265.6000
K0-J3 56.3920 56.3880 348.6240 348.7670
B2-D0 32.0790 32.0540 37.0000 37.1000
B2-J3 127.4210 127.2750 46.5650 46.6300
D0-J3 95.9310 95.8100 49.7380 49.8040
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 60901.15146449
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.248086
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 K0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 108.571
HIERARCH ESO ISS PBL12 END 108.362
HIERARCH ESO ISS PBLA12 START 252.7
HIERARCH ESO ISS PBLA12 END 252.8
HIERARCH ESO ISS PBL13 START 84.592
HIERARCH ESO ISS PBL13 END 84.417
HIERARCH ESO ISS PBLA13 START 265.4
HIERARCH ESO ISS PBLA13 END 265.6
HIERARCH ESO ISS PBL14 START 56.392
HIERARCH ESO ISS PBL14 END 56.388
HIERARCH ESO ISS PBLA14 START 348.624
HIERARCH ESO ISS PBLA14 END 348.767
HIERARCH ESO ISS PBL23 START 32.079
HIERARCH ESO ISS PBL23 END 32.054
HIERARCH ESO ISS PBLA23 START 37.0
HIERARCH ESO ISS PBLA23 END 37.1
HIERARCH ESO ISS PBL24 START 127.421
HIERARCH ESO ISS PBL24 END 127.275
HIERARCH ESO ISS PBLA24 START 46.565
HIERARCH ESO ISS PBLA24 END 46.63
HIERARCH ESO ISS PBL34 START 95.931
HIERARCH ESO ISS PBL34 END 95.81
HIERARCH ESO ISS PBLA34 START 49.738
HIERARCH ESO ISS PBLA34 END 49.804
HIERARCH ESO ISS AMBI TAU0 START 0.008093
HIERARCH ESO ISS AMBI TAU0 END 0.009439
HIERARCH ESO ISS AMBI TEMP 14.49
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.75