Exposure
ID
MATIS.2025-06-18T03:42:18.253_1
Header ID
MATIS.2025-06-18T03:42:18.253
Date updated
2025-06-18 03:50:47 UTC+0000
Release date
2025-06-18 03:42:18 UTC+0000
UTC Start
2025-06-18 03:42:18.253
UTC End
2025-06-18 03:43:18.261
MJD Start
60844.15437793
MJD End
60844.15507246704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.002694
Ambient temperature (°C)
7.1
Seeing (arcsec)
0.765
Observation
ID
68118
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
50632
Name
eps Sgr
RA
276.041375
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 83.0600 83.1880 103.3000 103.4000
A0-J2 120.8840 121.0480 78.4000 78.6000
A0-K0 123.5700 123.6720 56.2630 56.4390
G1-J2 57.4070 57.4300 40.9000 41.1000
G1-K0 90.4450 90.4430 14.0350 14.1730
J2-K0 47.0440 47.0590 340.5580 340.6490
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 60844.15437793
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME eps Sgr
RA 276.041375
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 83.06
HIERARCH ESO ISS PBL12 END 83.188
HIERARCH ESO ISS PBLA12 START 103.3
HIERARCH ESO ISS PBLA12 END 103.4
HIERARCH ESO ISS PBL13 START 120.884
HIERARCH ESO ISS PBL13 END 121.048
HIERARCH ESO ISS PBLA13 START 78.4
HIERARCH ESO ISS PBLA13 END 78.6
HIERARCH ESO ISS PBL14 START 123.57
HIERARCH ESO ISS PBL14 END 123.672
HIERARCH ESO ISS PBLA14 START 56.263
HIERARCH ESO ISS PBLA14 END 56.439
HIERARCH ESO ISS PBL23 START 57.407
HIERARCH ESO ISS PBL23 END 57.43
HIERARCH ESO ISS PBLA23 START 40.9
HIERARCH ESO ISS PBLA23 END 41.1
HIERARCH ESO ISS PBL24 START 90.445
HIERARCH ESO ISS PBL24 END 90.443
HIERARCH ESO ISS PBLA24 START 14.035
HIERARCH ESO ISS PBLA24 END 14.173
HIERARCH ESO ISS PBL34 START 47.044
HIERARCH ESO ISS PBL34 END 47.059
HIERARCH ESO ISS PBLA34 START 340.558
HIERARCH ESO ISS PBLA34 END 340.649
HIERARCH ESO ISS AMBI TAU0 START 0.00273
HIERARCH ESO ISS AMBI TAU0 END 0.002658
HIERARCH ESO ISS AMBI TEMP 7.1
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.78