Exposure
ID
MATIS.2025-07-17T06:00:45.284_1
Header ID
MATIS.2025-07-17T06:00:45.284
Date updated
2025-07-17 06:11:03 UTC+0000
Release date
2025-07-17 06:00:45 UTC+0000
UTC Start
2025-07-17 06:00:45.284
UTC End
2025-07-17 06:01:45.292
MJD Start
60873.25052412
MJD End
60873.25121865704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004041
Ambient temperature (°C)
13.85
Seeing (arcsec)
0.94
Observation
ID
68812
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
51193
Name
eps Sgr
RA
276.041374
DEC
-34.38532
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 84.5850 84.5090 141.0000 141.2000
A0-J2 111.7300 111.5150 117.4000 117.6000
A0-K0 105.4460 105.1750 92.0480 92.2000
G1-J2 48.1500 48.0330 72.7000 72.8000
G1-K0 81.0020 80.9050 40.0870 40.1510
J2-K0 48.0550 48.0520 7.3970 7.5090
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 60873.25052412
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041374
DEC -34.38532
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 84.585
HIERARCH ESO ISS PBL12 END 84.509
HIERARCH ESO ISS PBLA12 START 141.0
HIERARCH ESO ISS PBLA12 END 141.2
HIERARCH ESO ISS PBL13 START 111.73
HIERARCH ESO ISS PBL13 END 111.515
HIERARCH ESO ISS PBLA13 START 117.4
HIERARCH ESO ISS PBLA13 END 117.6
HIERARCH ESO ISS PBL14 START 105.446
HIERARCH ESO ISS PBL14 END 105.175
HIERARCH ESO ISS PBLA14 START 92.048
HIERARCH ESO ISS PBLA14 END 92.2
HIERARCH ESO ISS PBL23 START 48.15
HIERARCH ESO ISS PBL23 END 48.033
HIERARCH ESO ISS PBLA23 START 72.7
HIERARCH ESO ISS PBLA23 END 72.8
HIERARCH ESO ISS PBL24 START 81.002
HIERARCH ESO ISS PBL24 END 80.905
HIERARCH ESO ISS PBLA24 START 40.087
HIERARCH ESO ISS PBLA24 END 40.151
HIERARCH ESO ISS PBL34 START 48.055
HIERARCH ESO ISS PBL34 END 48.052
HIERARCH ESO ISS PBLA34 START 7.397
HIERARCH ESO ISS PBLA34 END 7.509
HIERARCH ESO ISS AMBI TAU0 START 0.004041
HIERARCH ESO ISS AMBI TAU0 END 0.004041
HIERARCH ESO ISS AMBI TEMP 13.85
HIERARCH ESO ISS AMBI FWHM START 0.93
HIERARCH ESO ISS AMBI FWHM END 0.95