Exposure
ID
MATIS.2025-08-14T03:39:24.766_1
Header ID
MATIS.2025-08-14T03:39:24.766
Date updated
2025-08-14 03:50:51 UTC+0000
Release date
2025-08-14 03:39:24 UTC+0000
UTC Start
2025-08-14 03:39:24.766
UTC End
2025-08-14 03:40:24.774
MJD Start
60901.15236998
MJD End
60901.15306451704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.008737499999999999
Ambient temperature (°C)
14.53
Seeing (arcsec)
0.77
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 108.3040 108.0930 252.8000 252.9000
K0-D0 84.3680 84.1920 265.6000 265.7000
K0-J3 56.3870 56.3840 348.8080 348.9510
B2-D0 32.0460 32.0200 37.1000 37.2000
B2-J3 127.2340 127.0860 46.6470 46.7110
D0-J3 95.7770 95.6540 49.8220 49.8870
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 60901.15236998
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 108.304
HIERARCH ESO ISS PBL12 END 108.093
HIERARCH ESO ISS PBLA12 START 252.8
HIERARCH ESO ISS PBLA12 END 252.9
HIERARCH ESO ISS PBL13 START 84.368
HIERARCH ESO ISS PBL13 END 84.192
HIERARCH ESO ISS PBLA13 START 265.6
HIERARCH ESO ISS PBLA13 END 265.7
HIERARCH ESO ISS PBL14 START 56.387
HIERARCH ESO ISS PBL14 END 56.384
HIERARCH ESO ISS PBLA14 START 348.808
HIERARCH ESO ISS PBLA14 END 348.951
HIERARCH ESO ISS PBL23 START 32.046
HIERARCH ESO ISS PBL23 END 32.02
HIERARCH ESO ISS PBLA23 START 37.1
HIERARCH ESO ISS PBLA23 END 37.2
HIERARCH ESO ISS PBL24 START 127.234
HIERARCH ESO ISS PBL24 END 127.086
HIERARCH ESO ISS PBLA24 START 46.647
HIERARCH ESO ISS PBLA24 END 46.711
HIERARCH ESO ISS PBL34 START 95.777
HIERARCH ESO ISS PBL34 END 95.654
HIERARCH ESO ISS PBLA34 START 49.822
HIERARCH ESO ISS PBLA34 END 49.887
HIERARCH ESO ISS AMBI TAU0 START 0.009439
HIERARCH ESO ISS AMBI TAU0 END 0.008036
HIERARCH ESO ISS AMBI TEMP 14.53
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.79