Exposure
ID
MATIS.2025-07-16T04:15:31.692_1
Header ID
MATIS.2025-07-16T04:15:31.692
Date updated
2025-07-16 04:25:48 UTC+0000
Release date
2025-07-16 04:15:31 UTC+0000
UTC Start
2025-07-16 04:15:31.692
UTC End
2025-07-16 04:16:31.700
MJD Start
60872.17745014
MJD End
60872.17814467704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0030025
Ambient temperature (°C)
12.59
Seeing (arcsec)
0.825
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 90.2990 90.2800 122.0000 122.2000
A0-J2 127.7250 127.6530 99.2000 99.4000
A0-K0 125.1350 125.0380 77.3110 77.4510
G1-J2 56.6280 56.5840 61.0000 61.1000
G1-K0 88.0850 88.0450 31.1320 31.2390
J2-K0 48.1230 48.1250 355.2390 355.3580
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 60872.17745014
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 90.299
HIERARCH ESO ISS PBL12 END 90.28
HIERARCH ESO ISS PBLA12 START 122.0
HIERARCH ESO ISS PBLA12 END 122.2
HIERARCH ESO ISS PBL13 START 127.725
HIERARCH ESO ISS PBL13 END 127.653
HIERARCH ESO ISS PBLA13 START 99.2
HIERARCH ESO ISS PBLA13 END 99.4
HIERARCH ESO ISS PBL14 START 125.135
HIERARCH ESO ISS PBL14 END 125.038
HIERARCH ESO ISS PBLA14 START 77.311
HIERARCH ESO ISS PBLA14 END 77.451
HIERARCH ESO ISS PBL23 START 56.628
HIERARCH ESO ISS PBL23 END 56.584
HIERARCH ESO ISS PBLA23 START 61.0
HIERARCH ESO ISS PBLA23 END 61.1
HIERARCH ESO ISS PBL24 START 88.085
HIERARCH ESO ISS PBL24 END 88.045
HIERARCH ESO ISS PBLA24 START 31.132
HIERARCH ESO ISS PBLA24 END 31.239
HIERARCH ESO ISS PBL34 START 48.123
HIERARCH ESO ISS PBL34 END 48.125
HIERARCH ESO ISS PBLA34 START 355.239
HIERARCH ESO ISS PBLA34 END 355.358
HIERARCH ESO ISS AMBI TAU0 START 0.00309
HIERARCH ESO ISS AMBI TAU0 END 0.002915
HIERARCH ESO ISS AMBI TEMP 12.59
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.84