Exposure
ID
MATIS.2025-07-16T04:26:04.065_1
Header ID
MATIS.2025-07-16T04:26:04.065
Date updated
2025-07-16 04:35:49 UTC+0000
Release date
2026-07-16 04:35:49 UTC+0000
UTC Start
2025-07-16 04:26:04.065
UTC End
2025-07-16 04:27:04.073
MJD Start
60872.18476927
MJD End
60872.18546380704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003431
Ambient temperature (°C)
12.3
Seeing (arcsec)
0.8200000000000001
Observation
ID
68120
Category
science
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
50630
Name
V VX Sgr
RA
272.015659
DEC
-22.22406
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 87.2240 87.1420 124.1000 124.2000
A0-J2 123.8200 123.6690 99.9000 100.0000
A0-K0 123.4890 123.3530 77.3060 77.3880
G1-J2 56.7910 56.7440 61.1000 61.1000
G1-K0 89.9890 89.9680 32.3930 32.4680
J2-K0 48.5300 48.5290 358.2390 358.3510
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.005
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 60872.18476927
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.015659
DEC -22.22406
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 87.224
HIERARCH ESO ISS PBL12 END 87.142
HIERARCH ESO ISS PBLA12 START 124.1
HIERARCH ESO ISS PBLA12 END 124.2
HIERARCH ESO ISS PBL13 START 123.82
HIERARCH ESO ISS PBL13 END 123.669
HIERARCH ESO ISS PBLA13 START 99.9
HIERARCH ESO ISS PBLA13 END 100.0
HIERARCH ESO ISS PBL14 START 123.489
HIERARCH ESO ISS PBL14 END 123.353
HIERARCH ESO ISS PBLA14 START 77.306
HIERARCH ESO ISS PBLA14 END 77.388
HIERARCH ESO ISS PBL23 START 56.791
HIERARCH ESO ISS PBL23 END 56.744
HIERARCH ESO ISS PBLA23 START 61.1
HIERARCH ESO ISS PBLA23 END 61.1
HIERARCH ESO ISS PBL24 START 89.989
HIERARCH ESO ISS PBL24 END 89.968
HIERARCH ESO ISS PBLA24 START 32.393
HIERARCH ESO ISS PBLA24 END 32.468
HIERARCH ESO ISS PBL34 START 48.53
HIERARCH ESO ISS PBL34 END 48.529
HIERARCH ESO ISS PBLA34 START 358.239
HIERARCH ESO ISS PBLA34 END 358.351
HIERARCH ESO ISS AMBI TAU0 START 0.003483
HIERARCH ESO ISS AMBI TAU0 END 0.003379
HIERARCH ESO ISS AMBI TEMP 12.3
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.81