Exposure
ID
MATIS.2025-07-25T06:02:01.319_1
Header ID
MATIS.2025-07-25T06:02:01.319
Date updated
2025-07-25 06:10:51 UTC+0000
Release date
2025-07-25 06:02:01 UTC+0000
UTC Start
2025-07-25 06:02:01.319
UTC End
2025-07-25 06:03:01.327
MJD Start
60881.25140416
MJD End
60881.25209869704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003345
Ambient temperature (°C)
12.13
Seeing (arcsec)
0.65
Observation
ID
68971
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
51196
Name
del Sgr
RA
275.247446
DEC
-29.82826
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.6540 24.6510 170.2000 170.4000
A0-D0 23.6420 23.5600 93.5000 93.7000
A0-C1 19.7890 19.7660 147.4630 147.6890
B2-D0 29.9800 29.9400 40.4000 40.4000
B2-C1 9.9890 9.9750 40.3410 40.3790
D0-C1 19.9910 19.9650 220.4010 220.4390
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 60881.25140416
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247446
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 24.654
HIERARCH ESO ISS PBL12 END 24.651
HIERARCH ESO ISS PBLA12 START 170.2
HIERARCH ESO ISS PBLA12 END 170.4
HIERARCH ESO ISS PBL13 START 23.642
HIERARCH ESO ISS PBL13 END 23.56
HIERARCH ESO ISS PBLA13 START 93.5
HIERARCH ESO ISS PBLA13 END 93.7
HIERARCH ESO ISS PBL14 START 19.789
HIERARCH ESO ISS PBL14 END 19.766
HIERARCH ESO ISS PBLA14 START 147.463
HIERARCH ESO ISS PBLA14 END 147.689
HIERARCH ESO ISS PBL23 START 29.98
HIERARCH ESO ISS PBL23 END 29.94
HIERARCH ESO ISS PBLA23 START 40.4
HIERARCH ESO ISS PBLA23 END 40.4
HIERARCH ESO ISS PBL24 START 9.989
HIERARCH ESO ISS PBL24 END 9.975
HIERARCH ESO ISS PBLA24 START 40.341
HIERARCH ESO ISS PBLA24 END 40.379
HIERARCH ESO ISS PBL34 START 19.991
HIERARCH ESO ISS PBL34 END 19.965
HIERARCH ESO ISS PBLA34 START 220.401
HIERARCH ESO ISS PBLA34 END 220.439
HIERARCH ESO ISS AMBI TAU0 START 0.003345
HIERARCH ESO ISS AMBI TAU0 END 0.003345
HIERARCH ESO ISS AMBI TEMP 12.13
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.66