Exposure
ID
MATIS.2025-07-25T06:09:10.242_1
Header ID
MATIS.2025-07-25T06:09:10.242
Date updated
2025-07-25 06:15:49 UTC+0000
Release date
2025-07-25 06:09:10 UTC+0000
UTC Start
2025-07-25 06:09:10.242
UTC End
2025-07-25 06:10:10.250
MJD Start
60881.25636854
MJD End
60881.25706307704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003378
Ambient temperature (°C)
12.02
Seeing (arcsec)
0.745
Observation
ID
68971
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
51196
Name
del Sgr
RA
275.247446
DEC
-29.82826
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.6300 24.6260 171.5000 171.7000
A0-D0 23.0500 22.9640 94.5000 94.7000
A0-C1 19.6300 19.6080 149.0990 149.3340
B2-D0 29.6950 29.6540 40.6000 40.7000
B2-C1 9.8940 9.8800 40.5920 40.6250
D0-C1 19.8010 19.7740 220.6520 220.6850
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 60881.25636854
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247446
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 24.63
HIERARCH ESO ISS PBL12 END 24.626
HIERARCH ESO ISS PBLA12 START 171.5
HIERARCH ESO ISS PBLA12 END 171.7
HIERARCH ESO ISS PBL13 START 23.05
HIERARCH ESO ISS PBL13 END 22.964
HIERARCH ESO ISS PBLA13 START 94.5
HIERARCH ESO ISS PBLA13 END 94.7
HIERARCH ESO ISS PBL14 START 19.63
HIERARCH ESO ISS PBL14 END 19.608
HIERARCH ESO ISS PBLA14 START 149.099
HIERARCH ESO ISS PBLA14 END 149.334
HIERARCH ESO ISS PBL23 START 29.695
HIERARCH ESO ISS PBL23 END 29.654
HIERARCH ESO ISS PBLA23 START 40.6
HIERARCH ESO ISS PBLA23 END 40.7
HIERARCH ESO ISS PBL24 START 9.894
HIERARCH ESO ISS PBL24 END 9.88
HIERARCH ESO ISS PBLA24 START 40.592
HIERARCH ESO ISS PBLA24 END 40.625
HIERARCH ESO ISS PBL34 START 19.801
HIERARCH ESO ISS PBL34 END 19.774
HIERARCH ESO ISS PBLA34 START 220.652
HIERARCH ESO ISS PBLA34 END 220.685
HIERARCH ESO ISS AMBI TAU0 START 0.002789
HIERARCH ESO ISS AMBI TAU0 END 0.003967
HIERARCH ESO ISS AMBI TEMP 12.02
HIERARCH ESO ISS AMBI FWHM START 0.9
HIERARCH ESO ISS AMBI FWHM END 0.59