Exposure
ID
MATIS.2025-09-22T01:39:31.722_1
Header ID
MATIS.2025-09-22T01:39:31.722
Date updated
2025-09-22 01:50:51 UTC+0000
Release date
2025-09-22 01:39:31 UTC+0000
UTC Start
2025-09-22 01:39:31.722
UTC End
2025-09-22 01:40:31.730
MJD Start
60940.06911715
MJD End
60940.06981168704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003441
Ambient temperature (°C)
12.08
Seeing (arcsec)
0.59
Observation
ID
70486
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
52267
Name
del Sgr
RA
275.247447
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 81.9540 81.8590 140.9000 141.1000
A0-J2 108.0780 107.8270 115.9000 116.1000
A0-K0 103.8710 103.5770 89.5820 89.7100
G1-J2 48.3480 48.2280 70.3000 70.3000
G1-K0 82.8580 82.7680 39.0380 39.0900
J2-K0 48.4920 48.4900 7.9150 8.0260
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 60940.06911715
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247447
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 81.954
HIERARCH ESO ISS PBL12 END 81.859
HIERARCH ESO ISS PBLA12 START 140.9
HIERARCH ESO ISS PBLA12 END 141.1
HIERARCH ESO ISS PBL13 START 108.078
HIERARCH ESO ISS PBL13 END 107.827
HIERARCH ESO ISS PBLA13 START 115.9
HIERARCH ESO ISS PBLA13 END 116.1
HIERARCH ESO ISS PBL14 START 103.871
HIERARCH ESO ISS PBL14 END 103.577
HIERARCH ESO ISS PBLA14 START 89.582
HIERARCH ESO ISS PBLA14 END 89.71
HIERARCH ESO ISS PBL23 START 48.348
HIERARCH ESO ISS PBL23 END 48.228
HIERARCH ESO ISS PBLA23 START 70.3
HIERARCH ESO ISS PBLA23 END 70.3
HIERARCH ESO ISS PBL24 START 82.858
HIERARCH ESO ISS PBL24 END 82.768
HIERARCH ESO ISS PBLA24 START 39.038
HIERARCH ESO ISS PBLA24 END 39.09
HIERARCH ESO ISS PBL34 START 48.492
HIERARCH ESO ISS PBL34 END 48.49
HIERARCH ESO ISS PBLA34 START 7.915
HIERARCH ESO ISS PBLA34 END 8.026
HIERARCH ESO ISS AMBI TAU0 START 0.003441
HIERARCH ESO ISS AMBI TAU0 END 0.003441
HIERARCH ESO ISS AMBI TEMP 12.08
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.61