Exposure
ID
MATIS.2025-09-22T01:44:28.768_1
Header ID
MATIS.2025-09-22T01:44:28.768
Date updated
2025-09-22 01:55:58 UTC+0000
Release date
2025-09-22 01:44:28 UTC+0000
UTC Start
2025-09-22 01:44:28.768
UTC End
2025-09-22 01:45:28.776
MJD Start
60940.07255518
MJD End
60940.07324971704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003763
Ambient temperature (°C)
11.71
Seeing (arcsec)
0.56
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 81.4990 81.4040 141.9000 142.1000
A0-J2 106.8700 106.6160 116.9000 117.1000
A0-K0 102.4490 102.1470 90.1980 90.3270
G1-J2 47.7660 47.6420 70.6000 70.7000
G1-K0 82.4210 82.3280 39.2830 39.3320
J2-K0 48.4820 48.4790 8.4440 8.5550
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 60940.07255518
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 81.499
HIERARCH ESO ISS PBL12 END 81.404
HIERARCH ESO ISS PBLA12 START 141.9
HIERARCH ESO ISS PBLA12 END 142.1
HIERARCH ESO ISS PBL13 START 106.87
HIERARCH ESO ISS PBL13 END 106.616
HIERARCH ESO ISS PBLA13 START 116.9
HIERARCH ESO ISS PBLA13 END 117.1
HIERARCH ESO ISS PBL14 START 102.449
HIERARCH ESO ISS PBL14 END 102.147
HIERARCH ESO ISS PBLA14 START 90.198
HIERARCH ESO ISS PBLA14 END 90.327
HIERARCH ESO ISS PBL23 START 47.766
HIERARCH ESO ISS PBL23 END 47.642
HIERARCH ESO ISS PBLA23 START 70.6
HIERARCH ESO ISS PBLA23 END 70.7
HIERARCH ESO ISS PBL24 START 82.421
HIERARCH ESO ISS PBL24 END 82.328
HIERARCH ESO ISS PBLA24 START 39.283
HIERARCH ESO ISS PBLA24 END 39.332
HIERARCH ESO ISS PBL34 START 48.482
HIERARCH ESO ISS PBL34 END 48.479
HIERARCH ESO ISS PBLA34 START 8.444
HIERARCH ESO ISS PBLA34 END 8.555
HIERARCH ESO ISS AMBI TAU0 START 0.003763
HIERARCH ESO ISS AMBI TAU0 END 0.003763
HIERARCH ESO ISS AMBI TEMP 11.71
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.53