Exposure
ID
MATIS.2025-07-16T04:48:53.196_1
Header ID
MATIS.2025-07-16T04:48:53.196
Date updated
2025-07-16 05:01:03 UTC+0000
Release date
2025-07-16 04:48:53 UTC+0000
UTC Start
2025-07-16 04:48:53.196
UTC End
2025-07-16 04:49:53.160
MJD Start
60872.2006157
MJD End
60872.201309727774
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0046215
Ambient temperature (°C)
11.98
Seeing (arcsec)
0.64
Observation
ID
68813
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
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 88.2360 88.1740 127.0000 127.2000
A0-J2 123.4030 123.2580 103.4000 103.6000
A0-K0 121.1080 120.9500 80.5470 80.6590
G1-J2 55.3000 55.2370 63.7000 63.8000
G1-K0 87.9590 87.9130 33.8730 33.9530
J2-K0 48.5570 48.5570 359.3330 359.4440
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 60872.2006157
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247446
DEC -29.82826
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL 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 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.228
HIERARCH ESO DET NDIT 263
HIERARCH ESO ISS PBL12 START 88.236
HIERARCH ESO ISS PBL12 END 88.174
HIERARCH ESO ISS PBLA12 START 127.0
HIERARCH ESO ISS PBLA12 END 127.2
HIERARCH ESO ISS PBL13 START 123.403
HIERARCH ESO ISS PBL13 END 123.258
HIERARCH ESO ISS PBLA13 START 103.4
HIERARCH ESO ISS PBLA13 END 103.6
HIERARCH ESO ISS PBL14 START 121.108
HIERARCH ESO ISS PBL14 END 120.95
HIERARCH ESO ISS PBLA14 START 80.547
HIERARCH ESO ISS PBLA14 END 80.659
HIERARCH ESO ISS PBL23 START 55.3
HIERARCH ESO ISS PBL23 END 55.237
HIERARCH ESO ISS PBLA23 START 63.7
HIERARCH ESO ISS PBLA23 END 63.8
HIERARCH ESO ISS PBL24 START 87.959
HIERARCH ESO ISS PBL24 END 87.913
HIERARCH ESO ISS PBLA24 START 33.873
HIERARCH ESO ISS PBLA24 END 33.953
HIERARCH ESO ISS PBL34 START 48.557
HIERARCH ESO ISS PBL34 END 48.557
HIERARCH ESO ISS PBLA34 START 359.333
HIERARCH ESO ISS PBLA34 END 359.444
HIERARCH ESO ISS AMBI TAU0 START 0.004403
HIERARCH ESO ISS AMBI TAU0 END 0.00484
HIERARCH ESO ISS AMBI TEMP 11.98
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.62