Exposure
ID
MATIS.2025-07-16T04:06:03.885_1
Header ID
MATIS.2025-07-16T04:06:03.885
Date updated
2025-07-16 04:15:45 UTC+0000
Release date
2025-07-16 04:06:03 UTC+0000
UTC Start
2025-07-16 04:06:03.885
UTC End
2025-07-16 04:07:03.893
MJD Start
60872.1708783
MJD End
60872.17157283704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003185
Ambient temperature (°C)
12.77
Seeing (arcsec)
0.85
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 90.4400 90.4290 120.7000 120.8000
A0-J2 128.3180 128.2610 97.8000 98.0000
A0-K0 125.9590 125.8770 76.0600 76.2010
G1-J2 57.0060 56.9680 59.9000 60.0000
G1-K0 88.4320 88.3960 30.1730 30.2840
J2-K0 48.1000 48.1030 354.1910 354.3110
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 60872.1708783
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 90.44
HIERARCH ESO ISS PBL12 END 90.429
HIERARCH ESO ISS PBLA12 START 120.7
HIERARCH ESO ISS PBLA12 END 120.8
HIERARCH ESO ISS PBL13 START 128.318
HIERARCH ESO ISS PBL13 END 128.261
HIERARCH ESO ISS PBLA13 START 97.8
HIERARCH ESO ISS PBLA13 END 98.0
HIERARCH ESO ISS PBL14 START 125.959
HIERARCH ESO ISS PBL14 END 125.877
HIERARCH ESO ISS PBLA14 START 76.06
HIERARCH ESO ISS PBLA14 END 76.201
HIERARCH ESO ISS PBL23 START 57.006
HIERARCH ESO ISS PBL23 END 56.968
HIERARCH ESO ISS PBLA23 START 59.9
HIERARCH ESO ISS PBLA23 END 60.0
HIERARCH ESO ISS PBL24 START 88.432
HIERARCH ESO ISS PBL24 END 88.396
HIERARCH ESO ISS PBLA24 START 30.173
HIERARCH ESO ISS PBLA24 END 30.284
HIERARCH ESO ISS PBL34 START 48.1
HIERARCH ESO ISS PBL34 END 48.103
HIERARCH ESO ISS PBLA34 START 354.191
HIERARCH ESO ISS PBLA34 END 354.311
HIERARCH ESO ISS AMBI TAU0 START 0.003185
HIERARCH ESO ISS AMBI TAU0 END 0.003185
HIERARCH ESO ISS AMBI TEMP 12.77
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.86