Exposure
ID
MATIS.2025-07-17T06:52:12.410_1
Header ID
MATIS.2025-07-17T06:52:12.410
Date updated
2025-07-17 07:00:57 UTC+0000
Release date
2025-07-17 06:52:12 UTC+0000
UTC Start
2025-07-17 06:52:12.410
UTC End
2025-07-17 06:53:12.418
MJD Start
60873.28625475
MJD End
60873.28694928704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003199
Ambient temperature (°C)
13.73
Seeing (arcsec)
0.95
Observation
ID
68814
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
51196
Name
del Sgr
RA
275.247446
DEC
-29.82826
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 77.5370 77.4510 151.8000 152.1000
A0-J2 95.4060 95.1340 126.4000 126.7000
A0-K0 88.2050 87.8480 96.2090 96.3620
G1-J2 41.8500 41.6990 73.7000 73.8000
G1-K0 77.8930 77.7760 40.9780 41.0060
J2-K0 48.3310 48.3260 13.0370 13.1400
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 60873.28625475
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247446
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 77.537
HIERARCH ESO ISS PBL12 END 77.451
HIERARCH ESO ISS PBLA12 START 151.8
HIERARCH ESO ISS PBLA12 END 152.1
HIERARCH ESO ISS PBL13 START 95.406
HIERARCH ESO ISS PBL13 END 95.134
HIERARCH ESO ISS PBLA13 START 126.4
HIERARCH ESO ISS PBLA13 END 126.7
HIERARCH ESO ISS PBL14 START 88.205
HIERARCH ESO ISS PBL14 END 87.848
HIERARCH ESO ISS PBLA14 START 96.209
HIERARCH ESO ISS PBLA14 END 96.362
HIERARCH ESO ISS PBL23 START 41.85
HIERARCH ESO ISS PBL23 END 41.699
HIERARCH ESO ISS PBLA23 START 73.7
HIERARCH ESO ISS PBLA23 END 73.8
HIERARCH ESO ISS PBL24 START 77.893
HIERARCH ESO ISS PBL24 END 77.776
HIERARCH ESO ISS PBLA24 START 40.978
HIERARCH ESO ISS PBLA24 END 41.006
HIERARCH ESO ISS PBL34 START 48.331
HIERARCH ESO ISS PBL34 END 48.326
HIERARCH ESO ISS PBLA34 START 13.037
HIERARCH ESO ISS PBLA34 END 13.14
HIERARCH ESO ISS AMBI TAU0 START 0.003199
HIERARCH ESO ISS AMBI TAU0 END 0.003199
HIERARCH ESO ISS AMBI TEMP 13.73
HIERARCH ESO ISS AMBI FWHM START 0.95
HIERARCH ESO ISS AMBI FWHM END 0.95