Exposure
ID
MATIS.2025-06-21T07:23:15.459_1
Header ID
MATIS.2025-06-21T07:23:15.459
Date updated
2025-06-21 07:30:48 UTC+0000
Release date
2026-06-21 07:30:48 UTC+0000
UTC Start
2025-06-21 07:23:15.459
UTC End
2025-06-21 07:24:15.467
MJD Start
60847.30781781
MJD End
60847.30851234704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003604
Ambient temperature (°C)
11.52
Seeing (arcsec)
0.52
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 56.3750 56.2240 288.2000 288.4000
K0-D0 80.2530 80.0370 263.5000 263.5000
K0-J3 55.1320 55.1250 352.1560 352.3060
G2-D0 37.4570 37.4160 224.4000 224.4000
G2-J3 59.0350 58.9520 51.2220 51.2530
D0-J3 96.3280 96.2040 48.5590 48.5900
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 60847.30781781
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 56.375
HIERARCH ESO ISS PBL12 END 56.224
HIERARCH ESO ISS PBLA12 START 288.2
HIERARCH ESO ISS PBLA12 END 288.4
HIERARCH ESO ISS PBL13 START 80.253
HIERARCH ESO ISS PBL13 END 80.037
HIERARCH ESO ISS PBLA13 START 263.5
HIERARCH ESO ISS PBLA13 END 263.5
HIERARCH ESO ISS PBL14 START 55.132
HIERARCH ESO ISS PBL14 END 55.125
HIERARCH ESO ISS PBLA14 START 352.156
HIERARCH ESO ISS PBLA14 END 352.306
HIERARCH ESO ISS PBL23 START 37.457
HIERARCH ESO ISS PBL23 END 37.416
HIERARCH ESO ISS PBLA23 START 224.4
HIERARCH ESO ISS PBLA23 END 224.4
HIERARCH ESO ISS PBL24 START 59.035
HIERARCH ESO ISS PBL24 END 58.952
HIERARCH ESO ISS PBLA24 START 51.222
HIERARCH ESO ISS PBLA24 END 51.253
HIERARCH ESO ISS PBL34 START 96.328
HIERARCH ESO ISS PBL34 END 96.204
HIERARCH ESO ISS PBLA34 START 48.559
HIERARCH ESO ISS PBLA34 END 48.59
HIERARCH ESO ISS AMBI TAU0 START 0.00407
HIERARCH ESO ISS AMBI TAU0 END 0.003138
HIERARCH ESO ISS AMBI TEMP 11.52
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.53