Exposure
ID
MATIS.2025-08-14T03:34:31.709_1
Header ID
MATIS.2025-08-14T03:34:31.709
Date updated
2025-08-14 03:40:49 UTC+0000
Release date
2025-08-14 03:34:31 UTC+0000
UTC Start
2025-08-14 03:34:31.709
UTC End
2025-08-14 03:35:31.717
MJD Start
60901.14897811
MJD End
60901.14967264704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0072455
Ambient temperature (°C)
14.43
Seeing (arcsec)
0.845
Observation
ID
69988
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
51927
Name
del Sgr
RA
275.248086
DEC
-29.82826
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
K0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-B2 109.2930 109.0900 252.4000 252.4000
K0-D0 85.1990 85.0280 265.0000 265.1000
K0-J3 56.4040 56.4000 348.1190 348.2620
B2-D0 32.1690 32.1440 36.8000 36.9000
B2-J3 127.9280 127.7860 46.3350 46.4000
D0-J3 96.3500 96.2330 49.5040 49.5710
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 60901.14897811
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.248086
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 K0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 109.293
HIERARCH ESO ISS PBL12 END 109.09
HIERARCH ESO ISS PBLA12 START 252.4
HIERARCH ESO ISS PBLA12 END 252.4
HIERARCH ESO ISS PBL13 START 85.199
HIERARCH ESO ISS PBL13 END 85.028
HIERARCH ESO ISS PBLA13 START 265.0
HIERARCH ESO ISS PBLA13 END 265.1
HIERARCH ESO ISS PBL14 START 56.404
HIERARCH ESO ISS PBL14 END 56.4
HIERARCH ESO ISS PBLA14 START 348.119
HIERARCH ESO ISS PBLA14 END 348.262
HIERARCH ESO ISS PBL23 START 32.169
HIERARCH ESO ISS PBL23 END 32.144
HIERARCH ESO ISS PBLA23 START 36.8
HIERARCH ESO ISS PBLA23 END 36.9
HIERARCH ESO ISS PBL24 START 127.928
HIERARCH ESO ISS PBL24 END 127.786
HIERARCH ESO ISS PBLA24 START 46.335
HIERARCH ESO ISS PBLA24 END 46.4
HIERARCH ESO ISS PBL34 START 96.35
HIERARCH ESO ISS PBL34 END 96.233
HIERARCH ESO ISS PBLA34 START 49.504
HIERARCH ESO ISS PBLA34 END 49.571
HIERARCH ESO ISS AMBI TAU0 START 0.00768
HIERARCH ESO ISS AMBI TAU0 END 0.006811
HIERARCH ESO ISS AMBI TEMP 14.43
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.83