Exposure
ID
MATIS.2025-09-24T00:40:20.509_1
Header ID
MATIS.2025-09-24T00:40:20.509
Date updated
2025-09-24 00:50:53 UTC+0000
Release date
2025-09-24 00:40:20 UTC+0000
UTC Start
2025-09-24 00:40:20.509
UTC End
2025-09-24 00:41:20.517
MJD Start
60942.02801515
MJD End
60942.02870968704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.008788
Ambient temperature (°C)
15.53
Seeing (arcsec)
0.375
Observation
ID
70486
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
52267
Name
del Sgr
RA
275.247447
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 86.3830 86.3030 131.3000 131.5000
A0-J2 119.0700 118.8810 107.3000 107.5000
A0-K0 116.3530 116.1440 83.5560 83.6740
G1-J2 53.3960 53.3120 66.1000 66.2000
G1-K0 86.5810 86.5200 35.9060 35.9790
J2-K0 48.5530 48.5520 2.3000 2.4150
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 60942.02801515
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247447
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 86.383
HIERARCH ESO ISS PBL12 END 86.303
HIERARCH ESO ISS PBLA12 START 131.3
HIERARCH ESO ISS PBLA12 END 131.5
HIERARCH ESO ISS PBL13 START 119.07
HIERARCH ESO ISS PBL13 END 118.881
HIERARCH ESO ISS PBLA13 START 107.3
HIERARCH ESO ISS PBLA13 END 107.5
HIERARCH ESO ISS PBL14 START 116.353
HIERARCH ESO ISS PBL14 END 116.144
HIERARCH ESO ISS PBLA14 START 83.556
HIERARCH ESO ISS PBLA14 END 83.674
HIERARCH ESO ISS PBL23 START 53.396
HIERARCH ESO ISS PBL23 END 53.312
HIERARCH ESO ISS PBLA23 START 66.1
HIERARCH ESO ISS PBLA23 END 66.2
HIERARCH ESO ISS PBL24 START 86.581
HIERARCH ESO ISS PBL24 END 86.52
HIERARCH ESO ISS PBLA24 START 35.906
HIERARCH ESO ISS PBLA24 END 35.979
HIERARCH ESO ISS PBL34 START 48.553
HIERARCH ESO ISS PBL34 END 48.552
HIERARCH ESO ISS PBLA34 START 2.3
HIERARCH ESO ISS PBLA34 END 2.415
HIERARCH ESO ISS AMBI TAU0 START 0.008788
HIERARCH ESO ISS AMBI TAU0 END 0.008788
HIERARCH ESO ISS AMBI TEMP 15.53
HIERARCH ESO ISS AMBI FWHM START 0.34
HIERARCH ESO ISS AMBI FWHM END 0.41