Exposure
ID
MATIS.2025-09-22T01:35:02.400_1
Header ID
MATIS.2025-09-22T01:35:02.400
Date updated
2025-09-22 01:41:06 UTC+0000
Release date
2025-09-22 01:35:02 UTC+0000
UTC Start
2025-09-22 01:35:02.400
UTC End
2025-09-22 01:36:02.408
MJD Start
60940.066
MJD End
60940.06669453704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003335
Ambient temperature (°C)
12.23
Seeing (arcsec)
0.665
Observation
ID
70486
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
52267
Name
del Sgr
RA
275.247447
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 82.3660 82.2730 140.0000 140.2000
A0-J2 109.1530 108.9110 115.1000 115.3000
A0-K0 105.1280 104.8460 89.0320 89.1560
G1-J2 48.8610 48.7460 69.9000 70.0000
G1-K0 83.2420 83.1550 38.8070 38.8600
J2-K0 48.5010 48.4990 7.4330 7.5420
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 60940.066
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME del Sgr
RA 275.247447
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 82.366
HIERARCH ESO ISS PBL12 END 82.273
HIERARCH ESO ISS PBLA12 START 140.0
HIERARCH ESO ISS PBLA12 END 140.2
HIERARCH ESO ISS PBL13 START 109.153
HIERARCH ESO ISS PBL13 END 108.911
HIERARCH ESO ISS PBLA13 START 115.1
HIERARCH ESO ISS PBLA13 END 115.3
HIERARCH ESO ISS PBL14 START 105.128
HIERARCH ESO ISS PBL14 END 104.846
HIERARCH ESO ISS PBLA14 START 89.032
HIERARCH ESO ISS PBLA14 END 89.156
HIERARCH ESO ISS PBL23 START 48.861
HIERARCH ESO ISS PBL23 END 48.746
HIERARCH ESO ISS PBLA23 START 69.9
HIERARCH ESO ISS PBLA23 END 70.0
HIERARCH ESO ISS PBL24 START 83.242
HIERARCH ESO ISS PBL24 END 83.155
HIERARCH ESO ISS PBLA24 START 38.807
HIERARCH ESO ISS PBLA24 END 38.86
HIERARCH ESO ISS PBL34 START 48.501
HIERARCH ESO ISS PBL34 END 48.499
HIERARCH ESO ISS PBLA34 START 7.433
HIERARCH ESO ISS PBLA34 END 7.542
HIERARCH ESO ISS AMBI TAU0 START 0.003335
HIERARCH ESO ISS AMBI TAU0 END 0.003335
HIERARCH ESO ISS AMBI TEMP 12.23
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.66