Exposure
ID
MATIS.2025-07-17T06:09:18.636_1
Header ID
MATIS.2025-07-17T06:09:18.636
Date updated
2025-07-17 06:16:01 UTC+0000
Release date
2025-07-17 06:09:18 UTC+0000
UTC Start
2025-07-17 06:09:18.636
UTC End
2025-07-17 06:10:18.644
MJD Start
60873.25646569
MJD End
60873.25716022704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003975
Ambient temperature (°C)
13.91
Seeing (arcsec)
0.78
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 83.9550 83.8800 142.8000 143.0000
A0-J2 109.9200 109.7020 119.1000 119.3000
A0-K0 103.1560 102.8770 93.3190 93.4720
G1-J2 47.1600 47.0400 73.6000 73.7000
G1-K0 80.1780 80.0770 40.6100 40.6700
J2-K0 48.0230 48.0180 8.3280 8.4380
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 60873.25646569
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 83.955
HIERARCH ESO ISS PBL12 END 83.88
HIERARCH ESO ISS PBLA12 START 142.8
HIERARCH ESO ISS PBLA12 END 143.0
HIERARCH ESO ISS PBL13 START 109.92
HIERARCH ESO ISS PBL13 END 109.702
HIERARCH ESO ISS PBLA13 START 119.1
HIERARCH ESO ISS PBLA13 END 119.3
HIERARCH ESO ISS PBL14 START 103.156
HIERARCH ESO ISS PBL14 END 102.877
HIERARCH ESO ISS PBLA14 START 93.319
HIERARCH ESO ISS PBLA14 END 93.472
HIERARCH ESO ISS PBL23 START 47.16
HIERARCH ESO ISS PBL23 END 47.04
HIERARCH ESO ISS PBLA23 START 73.6
HIERARCH ESO ISS PBLA23 END 73.7
HIERARCH ESO ISS PBL24 START 80.178
HIERARCH ESO ISS PBL24 END 80.077
HIERARCH ESO ISS PBLA24 START 40.61
HIERARCH ESO ISS PBLA24 END 40.67
HIERARCH ESO ISS PBL34 START 48.023
HIERARCH ESO ISS PBL34 END 48.018
HIERARCH ESO ISS PBLA34 START 8.328
HIERARCH ESO ISS PBLA34 END 8.438
HIERARCH ESO ISS AMBI TAU0 START 0.004112
HIERARCH ESO ISS AMBI TAU0 END 0.003838
HIERARCH ESO ISS AMBI TEMP 13.91
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.73