Exposure
ID
MATIS.2025-09-22T01:40:43.973_1
Header ID
MATIS.2025-09-22T01:40:43.973
Date updated
2025-09-22 01:50:51 UTC+0000
Release date
2025-09-22 01:40:43 UTC+0000
UTC Start
2025-09-22 01:40:43.973
UTC End
2025-09-22 01:41:43.981
MJD Start
60940.06995339
MJD End
60940.07064792704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003441
Ambient temperature (°C)
11.89
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 81.8430 81.7490 141.1000 141.4000
A0-J2 107.7830 107.5360 116.2000 116.4000
A0-K0 103.5250 103.2340 89.7330 89.8590
G1-J2 48.2060 48.0870 70.4000 70.4000
G1-K0 82.7520 82.6620 39.0990 39.1490
J2-K0 48.4900 48.4880 8.0450 8.1540
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 60940.06995339
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 81.843
HIERARCH ESO ISS PBL12 END 81.749
HIERARCH ESO ISS PBLA12 START 141.1
HIERARCH ESO ISS PBLA12 END 141.4
HIERARCH ESO ISS PBL13 START 107.783
HIERARCH ESO ISS PBL13 END 107.536
HIERARCH ESO ISS PBLA13 START 116.2
HIERARCH ESO ISS PBLA13 END 116.4
HIERARCH ESO ISS PBL14 START 103.525
HIERARCH ESO ISS PBL14 END 103.234
HIERARCH ESO ISS PBLA14 START 89.733
HIERARCH ESO ISS PBLA14 END 89.859
HIERARCH ESO ISS PBL23 START 48.206
HIERARCH ESO ISS PBL23 END 48.087
HIERARCH ESO ISS PBLA23 START 70.4
HIERARCH ESO ISS PBLA23 END 70.4
HIERARCH ESO ISS PBL24 START 82.752
HIERARCH ESO ISS PBL24 END 82.662
HIERARCH ESO ISS PBLA24 START 39.099
HIERARCH ESO ISS PBLA24 END 39.149
HIERARCH ESO ISS PBL34 START 48.49
HIERARCH ESO ISS PBL34 END 48.488
HIERARCH ESO ISS PBLA34 START 8.045
HIERARCH ESO ISS PBLA34 END 8.154
HIERARCH ESO ISS AMBI TAU0 START 0.003441
HIERARCH ESO ISS AMBI TAU0 END 0.003441
HIERARCH ESO ISS AMBI TEMP 11.89
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.59