Exposure
ID
MATIS.2025-08-14T03:35:42.355_1
Header ID
MATIS.2025-08-14T03:35:42.355
Date updated
2025-08-14 03:45:55 UTC+0000
Release date
2025-08-14 03:35:42 UTC+0000
UTC Start
2025-08-14 03:35:42.355
UTC End
2025-08-14 03:36:42.363
MJD Start
60901.14979577
MJD End
60901.15049030704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.007452
Ambient temperature (°C)
14.45
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 109.0570 108.8520 252.5000 252.6000
K0-D0 85.0000 84.8280 265.2000 265.3000
K0-J3 56.4000 56.3960 348.2850 348.4290
B2-D0 32.1400 32.1140 36.9000 36.9000
B2-J3 127.7620 127.6190 46.4110 46.4770
D0-J3 96.2130 96.0950 49.5820 49.6480
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 60901.14979577
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 109.057
HIERARCH ESO ISS PBL12 END 108.852
HIERARCH ESO ISS PBLA12 START 252.5
HIERARCH ESO ISS PBLA12 END 252.6
HIERARCH ESO ISS PBL13 START 85.0
HIERARCH ESO ISS PBL13 END 84.828
HIERARCH ESO ISS PBLA13 START 265.2
HIERARCH ESO ISS PBLA13 END 265.3
HIERARCH ESO ISS PBL14 START 56.4
HIERARCH ESO ISS PBL14 END 56.396
HIERARCH ESO ISS PBLA14 START 348.285
HIERARCH ESO ISS PBLA14 END 348.429
HIERARCH ESO ISS PBL23 START 32.14
HIERARCH ESO ISS PBL23 END 32.114
HIERARCH ESO ISS PBLA23 START 36.9
HIERARCH ESO ISS PBLA23 END 36.9
HIERARCH ESO ISS PBL24 START 127.762
HIERARCH ESO ISS PBL24 END 127.619
HIERARCH ESO ISS PBLA24 START 46.411
HIERARCH ESO ISS PBLA24 END 46.477
HIERARCH ESO ISS PBL34 START 96.213
HIERARCH ESO ISS PBL34 END 96.095
HIERARCH ESO ISS PBLA34 START 49.582
HIERARCH ESO ISS PBLA34 END 49.648
HIERARCH ESO ISS AMBI TAU0 START 0.006811
HIERARCH ESO ISS AMBI TAU0 END 0.008093
HIERARCH ESO ISS AMBI TEMP 14.45
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.82