Exposure
ID
MATIS.2025-06-18T04:20:15.158_1
Header ID
MATIS.2025-06-18T04:20:15.158
Date updated
2025-06-18 04:26:20 UTC+0000
Release date
2025-06-18 04:20:15 UTC+0000
UTC Start
2025-06-18 04:20:15.158
UTC End
2025-06-18 04:21:15.166
MJD Start
60844.18073099
MJD End
60844.181425527044
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003297
Ambient temperature (°C)
6.83
Seeing (arcsec)
0.765
Observation
ID
68122
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
50633
Name
del Sgr
RA
275.247445
DEC
-29.82826
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 87.9190 87.9960 109.4000 109.6000
A0-J2 126.0860 126.1940 85.6000 85.8000
A0-K0 126.1200 126.1940 63.5990 63.7430
G1-J2 57.8230 57.8430 47.8000 47.9000
G1-K0 90.4840 90.4840 19.4050 19.5320
J2-K0 48.1990 48.2050 344.6580 344.7550
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 60844.18073099
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247445
DEC -29.82826
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 87.919
HIERARCH ESO ISS PBL12 END 87.996
HIERARCH ESO ISS PBLA12 START 109.4
HIERARCH ESO ISS PBLA12 END 109.6
HIERARCH ESO ISS PBL13 START 126.086
HIERARCH ESO ISS PBL13 END 126.194
HIERARCH ESO ISS PBLA13 START 85.6
HIERARCH ESO ISS PBLA13 END 85.8
HIERARCH ESO ISS PBL14 START 126.12
HIERARCH ESO ISS PBL14 END 126.194
HIERARCH ESO ISS PBLA14 START 63.599
HIERARCH ESO ISS PBLA14 END 63.743
HIERARCH ESO ISS PBL23 START 57.823
HIERARCH ESO ISS PBL23 END 57.843
HIERARCH ESO ISS PBLA23 START 47.8
HIERARCH ESO ISS PBLA23 END 47.9
HIERARCH ESO ISS PBL24 START 90.484
HIERARCH ESO ISS PBL24 END 90.484
HIERARCH ESO ISS PBLA24 START 19.405
HIERARCH ESO ISS PBLA24 END 19.532
HIERARCH ESO ISS PBL34 START 48.199
HIERARCH ESO ISS PBL34 END 48.205
HIERARCH ESO ISS PBLA34 START 344.658
HIERARCH ESO ISS PBLA34 END 344.755
HIERARCH ESO ISS AMBI TAU0 START 0.003167
HIERARCH ESO ISS AMBI TAU0 END 0.003427
HIERARCH ESO ISS AMBI TEMP 6.83
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.75