Exposure
ID
MATIS.2025-08-14T03:15:09.751_1
Header ID
MATIS.2025-08-14T03:15:09.751
Date updated
2025-08-14 03:25:54 UTC+0000
Release date
2026-08-14 03:25:54 UTC+0000
UTC Start
2025-08-14 03:15:09.751
UTC End
2025-08-14 03:16:09.759
MJD Start
60901.13552953
MJD End
60901.13622406704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.00634
Ambient temperature (°C)
14.41
Seeing (arcsec)
0.865
Observation
ID
69986
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
51926
Name
V VX Sgr
RA
272.016259
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
K0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-B2 112.7810 112.5990 248.6000 248.6000
K0-D0 86.9560 86.7910 260.7000 260.8000
K0-J3 55.4450 55.4340 346.9950 347.1380
B2-D0 33.2440 33.2280 35.2000 35.3000
B2-J3 132.7690 132.6650 44.1670 44.2170
D0-J3 100.0640 99.9750 47.1330 47.1820
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 60901.13552953
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016259
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 B2
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 112.781
HIERARCH ESO ISS PBL12 END 112.599
HIERARCH ESO ISS PBLA12 START 248.6
HIERARCH ESO ISS PBLA12 END 248.6
HIERARCH ESO ISS PBL13 START 86.956
HIERARCH ESO ISS PBL13 END 86.791
HIERARCH ESO ISS PBLA13 START 260.7
HIERARCH ESO ISS PBLA13 END 260.8
HIERARCH ESO ISS PBL14 START 55.445
HIERARCH ESO ISS PBL14 END 55.434
HIERARCH ESO ISS PBLA14 START 346.995
HIERARCH ESO ISS PBLA14 END 347.138
HIERARCH ESO ISS PBL23 START 33.244
HIERARCH ESO ISS PBL23 END 33.228
HIERARCH ESO ISS PBLA23 START 35.2
HIERARCH ESO ISS PBLA23 END 35.3
HIERARCH ESO ISS PBL24 START 132.769
HIERARCH ESO ISS PBL24 END 132.665
HIERARCH ESO ISS PBLA24 START 44.167
HIERARCH ESO ISS PBLA24 END 44.217
HIERARCH ESO ISS PBL34 START 100.064
HIERARCH ESO ISS PBL34 END 99.975
HIERARCH ESO ISS PBLA34 START 47.133
HIERARCH ESO ISS PBLA34 END 47.182
HIERARCH ESO ISS AMBI TAU0 START 0.00634
HIERARCH ESO ISS AMBI TAU0 END 0.00634
HIERARCH ESO ISS AMBI TEMP 14.41
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.95