Exposure
ID
MATIS.2025-08-14T03:28:18.809_1
Header ID
MATIS.2025-08-14T03:28:18.809
Date updated
2025-08-14 03:40:49 UTC+0000
Release date
2025-08-14 03:28:18 UTC+0000
UTC Start
2025-08-14 03:28:18.809
UTC End
2025-08-14 03:29:18.817
MJD Start
60901.14466214
MJD End
60901.14535667704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0078245
Ambient temperature (°C)
14.34
Seeing (arcsec)
0.74
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 110.5000 110.3070 251.8000 251.9000
K0-D0 86.2130 86.0510 264.3000 264.4000
K0-J3 56.4240 56.4210 347.2480 347.3900
B2-D0 32.3170 32.2940 36.4000 36.5000
B2-J3 128.7720 128.6370 45.9220 45.9910
D0-J3 97.0490 96.9370 49.0850 49.1550
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 60901.14466214
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 110.5
HIERARCH ESO ISS PBL12 END 110.307
HIERARCH ESO ISS PBLA12 START 251.8
HIERARCH ESO ISS PBLA12 END 251.9
HIERARCH ESO ISS PBL13 START 86.213
HIERARCH ESO ISS PBL13 END 86.051
HIERARCH ESO ISS PBLA13 START 264.3
HIERARCH ESO ISS PBLA13 END 264.4
HIERARCH ESO ISS PBL14 START 56.424
HIERARCH ESO ISS PBL14 END 56.421
HIERARCH ESO ISS PBLA14 START 347.248
HIERARCH ESO ISS PBLA14 END 347.39
HIERARCH ESO ISS PBL23 START 32.317
HIERARCH ESO ISS PBL23 END 32.294
HIERARCH ESO ISS PBLA23 START 36.4
HIERARCH ESO ISS PBLA23 END 36.5
HIERARCH ESO ISS PBL24 START 128.772
HIERARCH ESO ISS PBL24 END 128.637
HIERARCH ESO ISS PBLA24 START 45.922
HIERARCH ESO ISS PBLA24 END 45.991
HIERARCH ESO ISS PBL34 START 97.049
HIERARCH ESO ISS PBL34 END 96.937
HIERARCH ESO ISS PBLA34 START 49.085
HIERARCH ESO ISS PBLA34 END 49.155
HIERARCH ESO ISS AMBI TAU0 START 0.008265
HIERARCH ESO ISS AMBI TAU0 END 0.007384
HIERARCH ESO ISS AMBI TEMP 14.34
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.74