Exposure
ID
MATIS.2025-07-16T04:54:46.694_1
Header ID
MATIS.2025-07-16T04:54:46.694
Date updated
2025-07-16 05:05:53 UTC+0000
Release date
2025-07-16 04:54:46 UTC+0000
UTC Start
2025-07-16 04:54:46.694
UTC End
2025-07-16 04:55:46.754
MJD Start
60872.20470711
MJD End
60872.20540224889
Exposure time (s)
60.1
Validation level
1
Tau 0: Coherence time (s)
0.003541
Ambient temperature (°C)
11.95
Seeing (arcsec)
0.91
Observation
ID
68813
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
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 87.8650 87.7990 127.9000 128.1000
A0-J2 122.5420 122.3880 104.3000 104.4000
A0-K0 120.1640 119.9980 81.2100 81.3220
G1-J2 54.9220 54.8560 64.3000 64.4000
G1-K0 87.6860 87.6380 34.3450 34.4240
J2-K0 48.5580 48.5580 359.9890 0.1000
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 60872.20470711
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247446
DEC -29.82826
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL 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 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.273
HIERARCH ESO DET NDIT 220
HIERARCH ESO ISS PBL12 START 87.865
HIERARCH ESO ISS PBL12 END 87.799
HIERARCH ESO ISS PBLA12 START 127.9
HIERARCH ESO ISS PBLA12 END 128.1
HIERARCH ESO ISS PBL13 START 122.542
HIERARCH ESO ISS PBL13 END 122.388
HIERARCH ESO ISS PBLA13 START 104.3
HIERARCH ESO ISS PBLA13 END 104.4
HIERARCH ESO ISS PBL14 START 120.164
HIERARCH ESO ISS PBL14 END 119.998
HIERARCH ESO ISS PBLA14 START 81.21
HIERARCH ESO ISS PBLA14 END 81.322
HIERARCH ESO ISS PBL23 START 54.922
HIERARCH ESO ISS PBL23 END 54.856
HIERARCH ESO ISS PBLA23 START 64.3
HIERARCH ESO ISS PBLA23 END 64.4
HIERARCH ESO ISS PBL24 START 87.686
HIERARCH ESO ISS PBL24 END 87.638
HIERARCH ESO ISS PBLA24 START 34.345
HIERARCH ESO ISS PBLA24 END 34.424
HIERARCH ESO ISS PBL34 START 48.558
HIERARCH ESO ISS PBL34 END 48.558
HIERARCH ESO ISS PBLA34 START 359.989
HIERARCH ESO ISS PBLA34 END 0.1
HIERARCH ESO ISS AMBI TAU0 START 0.003541
HIERARCH ESO ISS AMBI TAU0 END 0.003541
HIERARCH ESO ISS AMBI TEMP 11.95
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 0.91