Exposure
ID
MATIS.2025-07-17T06:37:23.131_1
Header ID
MATIS.2025-07-17T06:37:23.131
Date updated
2025-07-17 06:45:59 UTC+0000
Release date
2025-07-17 06:37:23 UTC+0000
UTC Start
2025-07-17 06:37:23.131
UTC End
2025-07-17 06:38:23.139
MJD Start
60873.27596217
MJD End
60873.27665670704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0039534999999999995
Ambient temperature (°C)
13.87
Seeing (arcsec)
0.745
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 78.8170 78.7270 148.3000 148.6000
A0-J2 99.3380 99.0700 123.0000 123.2000
A0-K0 93.2620 92.9240 94.0730 94.2150
G1-J2 43.9700 43.8290 72.7000 72.8000
G1-K0 79.5320 79.4240 40.5130 40.5490
J2-K0 48.3940 48.3900 11.5320 11.6360
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 60873.27596217
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 78.817
HIERARCH ESO ISS PBL12 END 78.727
HIERARCH ESO ISS PBLA12 START 148.3
HIERARCH ESO ISS PBLA12 END 148.6
HIERARCH ESO ISS PBL13 START 99.338
HIERARCH ESO ISS PBL13 END 99.07
HIERARCH ESO ISS PBLA13 START 123.0
HIERARCH ESO ISS PBLA13 END 123.2
HIERARCH ESO ISS PBL14 START 93.262
HIERARCH ESO ISS PBL14 END 92.924
HIERARCH ESO ISS PBLA14 START 94.073
HIERARCH ESO ISS PBLA14 END 94.215
HIERARCH ESO ISS PBL23 START 43.97
HIERARCH ESO ISS PBL23 END 43.829
HIERARCH ESO ISS PBLA23 START 72.7
HIERARCH ESO ISS PBLA23 END 72.8
HIERARCH ESO ISS PBL24 START 79.532
HIERARCH ESO ISS PBL24 END 79.424
HIERARCH ESO ISS PBLA24 START 40.513
HIERARCH ESO ISS PBLA24 END 40.549
HIERARCH ESO ISS PBL34 START 48.394
HIERARCH ESO ISS PBL34 END 48.39
HIERARCH ESO ISS PBLA34 START 11.532
HIERARCH ESO ISS PBLA34 END 11.636
HIERARCH ESO ISS AMBI TAU0 START 0.004102
HIERARCH ESO ISS AMBI TAU0 END 0.003805
HIERARCH ESO ISS AMBI TEMP 13.87
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.74