Exposure
ID
MATIS.2025-08-16T04:33:58.160_1
Header ID
MATIS.2025-08-16T04:33:58.160
Date updated
2025-08-16 04:40:52 UTC+0000
Release date
2026-08-16 04:40:52 UTC+0000
UTC Start
2025-08-16 04:33:58.160
UTC End
2025-08-16 04:34:58.168
MJD Start
60903.19025648
MJD End
60903.19095101704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.002429
Ambient temperature (°C)
9.39
Seeing (arcsec)
0.97
Observation
ID
68183
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
50684
Name
V VX Sgr
RA
272.016859
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 48.0410 47.8620 296.9000 297.1000
K0-D0 67.8310 67.5510 267.5000 267.6000
K0-J3 54.9430 54.9430 359.7960 359.9490
G2-D0 35.0290 34.9720 225.3000 225.3000
G2-J3 54.0730 53.9590 52.0890 52.0900
D0-J3 88.9550 88.7840 49.4380 49.4390
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 60903.19025648
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016859
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 48.041
HIERARCH ESO ISS PBL12 END 47.862
HIERARCH ESO ISS PBLA12 START 296.9
HIERARCH ESO ISS PBLA12 END 297.1
HIERARCH ESO ISS PBL13 START 67.831
HIERARCH ESO ISS PBL13 END 67.551
HIERARCH ESO ISS PBLA13 START 267.5
HIERARCH ESO ISS PBLA13 END 267.6
HIERARCH ESO ISS PBL14 START 54.943
HIERARCH ESO ISS PBL14 END 54.943
HIERARCH ESO ISS PBLA14 START 359.796
HIERARCH ESO ISS PBLA14 END 359.949
HIERARCH ESO ISS PBL23 START 35.029
HIERARCH ESO ISS PBL23 END 34.972
HIERARCH ESO ISS PBLA23 START 225.3
HIERARCH ESO ISS PBLA23 END 225.3
HIERARCH ESO ISS PBL24 START 54.073
HIERARCH ESO ISS PBL24 END 53.959
HIERARCH ESO ISS PBLA24 START 52.089
HIERARCH ESO ISS PBLA24 END 52.09
HIERARCH ESO ISS PBL34 START 88.955
HIERARCH ESO ISS PBL34 END 88.784
HIERARCH ESO ISS PBLA34 START 49.438
HIERARCH ESO ISS PBLA34 END 49.439
HIERARCH ESO ISS AMBI TAU0 START 0.002429
HIERARCH ESO ISS AMBI TAU0 END 0.002429
HIERARCH ESO ISS AMBI TEMP 9.39
HIERARCH ESO ISS AMBI FWHM START 0.97
HIERARCH ESO ISS AMBI FWHM END 0.97