Exposure
ID
MATIS.2025-08-14T03:43:02.637_1
Header ID
MATIS.2025-08-14T03:43:02.637
Date updated
2025-08-14 03:50:51 UTC+0000
Release date
2025-08-14 03:43:02 UTC+0000
UTC Start
2025-08-14 03:43:02.637
UTC End
2025-08-14 03:44:02.645
MJD Start
60901.15489163
MJD End
60901.15558616704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.007885
Ambient temperature (°C)
14.54
Seeing (arcsec)
0.94
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 107.5440 107.3280 253.1000 253.2000
K0-D0 83.7310 83.5500 266.0000 266.1000
K0-J3 56.3760 56.3720 349.3230 349.4670
B2-D0 31.9520 31.9250 37.4000 37.4000
B2-J3 126.7010 126.5490 46.8740 46.9360
D0-J3 95.3350 95.2100 50.0520 50.1160
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 60901.15489163
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 107.544
HIERARCH ESO ISS PBL12 END 107.328
HIERARCH ESO ISS PBLA12 START 253.1
HIERARCH ESO ISS PBLA12 END 253.2
HIERARCH ESO ISS PBL13 START 83.731
HIERARCH ESO ISS PBL13 END 83.55
HIERARCH ESO ISS PBLA13 START 266.0
HIERARCH ESO ISS PBLA13 END 266.1
HIERARCH ESO ISS PBL14 START 56.376
HIERARCH ESO ISS PBL14 END 56.372
HIERARCH ESO ISS PBLA14 START 349.323
HIERARCH ESO ISS PBLA14 END 349.467
HIERARCH ESO ISS PBL23 START 31.952
HIERARCH ESO ISS PBL23 END 31.925
HIERARCH ESO ISS PBLA23 START 37.4
HIERARCH ESO ISS PBLA23 END 37.4
HIERARCH ESO ISS PBL24 START 126.701
HIERARCH ESO ISS PBL24 END 126.549
HIERARCH ESO ISS PBLA24 START 46.874
HIERARCH ESO ISS PBLA24 END 46.936
HIERARCH ESO ISS PBL34 START 95.335
HIERARCH ESO ISS PBL34 END 95.21
HIERARCH ESO ISS PBLA34 START 50.052
HIERARCH ESO ISS PBLA34 END 50.116
HIERARCH ESO ISS AMBI TAU0 START 0.007882
HIERARCH ESO ISS AMBI TAU0 END 0.007888
HIERARCH ESO ISS AMBI TEMP 14.54
HIERARCH ESO ISS AMBI FWHM START 0.98
HIERARCH ESO ISS AMBI FWHM END 0.9