Exposure
ID
MATIS.2025-09-22T01:43:16.514_1
Header ID
MATIS.2025-09-22T01:43:16.514
Date updated
2025-09-22 01:55:58 UTC+0000
Release date
2025-09-22 01:43:16 UTC+0000
UTC Start
2025-09-22 01:43:16.514
UTC End
2025-09-22 01:44:16.522
MJD Start
60940.07171891
MJD End
60940.072413447044
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003763
Ambient temperature (°C)
11.78
Seeing (arcsec)
0.5700000000000001
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 81.6090 81.5160 141.7000 141.9000
A0-J2 107.1650 106.9150 116.6000 116.8000
A0-K0 102.7970 102.5020 90.0480 90.1750
G1-J2 47.9090 47.7880 70.5000 70.6000
G1-K0 82.5280 82.4370 39.2240 39.2740
J2-K0 48.4840 48.4820 8.3160 8.4250
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 60940.07171891
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 81.609
HIERARCH ESO ISS PBL12 END 81.516
HIERARCH ESO ISS PBLA12 START 141.7
HIERARCH ESO ISS PBLA12 END 141.9
HIERARCH ESO ISS PBL13 START 107.165
HIERARCH ESO ISS PBL13 END 106.915
HIERARCH ESO ISS PBLA13 START 116.6
HIERARCH ESO ISS PBLA13 END 116.8
HIERARCH ESO ISS PBL14 START 102.797
HIERARCH ESO ISS PBL14 END 102.502
HIERARCH ESO ISS PBLA14 START 90.048
HIERARCH ESO ISS PBLA14 END 90.175
HIERARCH ESO ISS PBL23 START 47.909
HIERARCH ESO ISS PBL23 END 47.788
HIERARCH ESO ISS PBLA23 START 70.5
HIERARCH ESO ISS PBLA23 END 70.6
HIERARCH ESO ISS PBL24 START 82.528
HIERARCH ESO ISS PBL24 END 82.437
HIERARCH ESO ISS PBLA24 START 39.224
HIERARCH ESO ISS PBLA24 END 39.274
HIERARCH ESO ISS PBL34 START 48.484
HIERARCH ESO ISS PBL34 END 48.482
HIERARCH ESO ISS PBLA34 START 8.316
HIERARCH ESO ISS PBLA34 END 8.425
HIERARCH ESO ISS AMBI TAU0 START 0.003763
HIERARCH ESO ISS AMBI TAU0 END 0.003763
HIERARCH ESO ISS AMBI TEMP 11.78
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.59