Exposure
ID
MATIS.2025-09-22T00:48:46.989_1
Header ID
MATIS.2025-09-22T00:48:46.989
Date updated
2025-09-22 00:56:00 UTC+0000
Release date
2025-09-22 00:48:46 UTC+0000
UTC Start
2025-09-22 00:48:46.989
UTC End
2025-09-22 00:49:46.953
MJD Start
60940.03387719
MJD End
60940.03457121777
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004795
Ambient temperature (°C)
11.94
Seeing (arcsec)
0.65
Observation
ID
70483
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
52266
Name
eps Sgr
RA
276.041372
DEC
-34.38533
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 87.8500 87.7910 131.8000 132.0000
A0-J2 120.7040 120.5460 108.6000 108.8000
A0-K0 116.4620 116.2700 85.2990 85.4330
G1-J2 52.8690 52.7870 67.7000 67.9000
G1-K0 84.9010 84.8330 36.6090 36.6900
J2-K0 48.1590 48.1580 2.0220 2.1340
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 60940.03387719
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041372
DEC -34.38533
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 0.228
HIERARCH ESO DET NDIT 263
HIERARCH ESO ISS PBL12 START 87.85
HIERARCH ESO ISS PBL12 END 87.791
HIERARCH ESO ISS PBLA12 START 131.8
HIERARCH ESO ISS PBLA12 END 132.0
HIERARCH ESO ISS PBL13 START 120.704
HIERARCH ESO ISS PBL13 END 120.546
HIERARCH ESO ISS PBLA13 START 108.6
HIERARCH ESO ISS PBLA13 END 108.8
HIERARCH ESO ISS PBL14 START 116.462
HIERARCH ESO ISS PBL14 END 116.27
HIERARCH ESO ISS PBLA14 START 85.299
HIERARCH ESO ISS PBLA14 END 85.433
HIERARCH ESO ISS PBL23 START 52.869
HIERARCH ESO ISS PBL23 END 52.787
HIERARCH ESO ISS PBLA23 START 67.7
HIERARCH ESO ISS PBLA23 END 67.9
HIERARCH ESO ISS PBL24 START 84.901
HIERARCH ESO ISS PBL24 END 84.833
HIERARCH ESO ISS PBLA24 START 36.609
HIERARCH ESO ISS PBLA24 END 36.69
HIERARCH ESO ISS PBL34 START 48.159
HIERARCH ESO ISS PBL34 END 48.158
HIERARCH ESO ISS PBLA34 START 2.022
HIERARCH ESO ISS PBLA34 END 2.134
HIERARCH ESO ISS AMBI TAU0 START 0.004795
HIERARCH ESO ISS AMBI TAU0 END 0.004795
HIERARCH ESO ISS AMBI TEMP 11.94
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.65