Exposure
ID
MATIS.2025-08-14T03:36:54.327_1
Header ID
MATIS.2025-08-14T03:36:54.327
Date updated
2025-08-14 03:45:55 UTC+0000
Release date
2025-08-14 03:36:54 UTC+0000
UTC Start
2025-08-14 03:36:54.327
UTC End
2025-08-14 03:37:54.335
MJD Start
60901.15062879
MJD End
60901.15132332704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.008093
Ambient temperature (°C)
14.46
Seeing (arcsec)
0.82
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 108.8180 108.6080 252.6000 252.7000
K0-D0 84.8000 84.6240 265.3000 265.4000
K0-J3 56.3960 56.3920 348.4520 348.5980
B2-D0 32.1100 32.0840 37.0000 37.0000
B2-J3 127.5930 127.4480 46.4880 46.5530
D0-J3 96.0730 95.9530 49.6600 49.7260
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 60901.15062879
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 108.818
HIERARCH ESO ISS PBL12 END 108.608
HIERARCH ESO ISS PBLA12 START 252.6
HIERARCH ESO ISS PBLA12 END 252.7
HIERARCH ESO ISS PBL13 START 84.8
HIERARCH ESO ISS PBL13 END 84.624
HIERARCH ESO ISS PBLA13 START 265.3
HIERARCH ESO ISS PBLA13 END 265.4
HIERARCH ESO ISS PBL14 START 56.396
HIERARCH ESO ISS PBL14 END 56.392
HIERARCH ESO ISS PBLA14 START 348.452
HIERARCH ESO ISS PBLA14 END 348.598
HIERARCH ESO ISS PBL23 START 32.11
HIERARCH ESO ISS PBL23 END 32.084
HIERARCH ESO ISS PBLA23 START 37.0
HIERARCH ESO ISS PBLA23 END 37.0
HIERARCH ESO ISS PBL24 START 127.593
HIERARCH ESO ISS PBL24 END 127.448
HIERARCH ESO ISS PBLA24 START 46.488
HIERARCH ESO ISS PBLA24 END 46.553
HIERARCH ESO ISS PBL34 START 96.073
HIERARCH ESO ISS PBL34 END 95.953
HIERARCH ESO ISS PBLA34 START 49.66
HIERARCH ESO ISS PBLA34 END 49.726
HIERARCH ESO ISS AMBI TAU0 START 0.008093
HIERARCH ESO ISS AMBI TAU0 END 0.008093
HIERARCH ESO ISS AMBI TEMP 14.46
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.82