Exposure
ID
MATIS.2025-07-17T06:49:45.612_1
Header ID
MATIS.2025-07-17T06:49:45.612
Date updated
2025-07-17 06:55:57 UTC+0000
Release date
2025-07-17 06:49:45 UTC+0000
UTC Start
2025-07-17 06:49:45.612
UTC End
2025-07-17 06:50:45.620
MJD Start
60873.28455569
MJD End
60873.28525022704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003346
Ambient temperature (°C)
13.75
Seeing (arcsec)
0.895
Observation
ID
68814
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 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 77.7420 77.6560 151.2000 151.5000
A0-J2 96.0570 95.7860 125.8000 126.1000
A0-K0 89.0570 88.7040 95.8460 95.9960
G1-J2 42.2090 42.0600 73.6000 73.6000
G1-K0 78.1720 78.0570 40.9090 40.9370
J2-K0 48.3430 48.3380 12.7920 12.8930
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 60873.28455569
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 77.742
HIERARCH ESO ISS PBL12 END 77.656
HIERARCH ESO ISS PBLA12 START 151.2
HIERARCH ESO ISS PBLA12 END 151.5
HIERARCH ESO ISS PBL13 START 96.057
HIERARCH ESO ISS PBL13 END 95.786
HIERARCH ESO ISS PBLA13 START 125.8
HIERARCH ESO ISS PBLA13 END 126.1
HIERARCH ESO ISS PBL14 START 89.057
HIERARCH ESO ISS PBL14 END 88.704
HIERARCH ESO ISS PBLA14 START 95.846
HIERARCH ESO ISS PBLA14 END 95.996
HIERARCH ESO ISS PBL23 START 42.209
HIERARCH ESO ISS PBL23 END 42.06
HIERARCH ESO ISS PBLA23 START 73.6
HIERARCH ESO ISS PBLA23 END 73.6
HIERARCH ESO ISS PBL24 START 78.172
HIERARCH ESO ISS PBL24 END 78.057
HIERARCH ESO ISS PBLA24 START 40.909
HIERARCH ESO ISS PBLA24 END 40.937
HIERARCH ESO ISS PBL34 START 48.343
HIERARCH ESO ISS PBL34 END 48.338
HIERARCH ESO ISS PBLA34 START 12.792
HIERARCH ESO ISS PBLA34 END 12.893
HIERARCH ESO ISS AMBI TAU0 START 0.003346
HIERARCH ESO ISS AMBI TAU0 END 0.003346
HIERARCH ESO ISS AMBI TEMP 13.75
HIERARCH ESO ISS AMBI FWHM START 0.87
HIERARCH ESO ISS AMBI FWHM END 0.92