Exposure
ID
MATIS.2025-06-23T04:19:20.316_1
Header ID
MATIS.2025-06-23T04:19:20.316
Date updated
2025-06-23 04:30:55 UTC+0000
Release date
2026-06-23 04:30:55 UTC+0000
UTC Start
2025-06-23 04:19:20.316
UTC End
2025-06-23 04:20:20.324
MJD Start
60849.18009625
MJD End
60849.18079078704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.007264
Ambient temperature (°C)
11.34
Seeing (arcsec)
0.435
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 67.9930 68.0210 269.2000 269.3000
K0-D0 95.3940 95.4330 248.5000 248.6000
K0-J3 56.5590 56.5610 330.4090 330.4970
G2-D0 39.8230 39.8310 211.4000 211.5000
G2-J3 64.1990 64.2150 38.6040 38.7120
D0-J3 103.8300 103.8540 35.8600 35.9680
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 60849.18009625
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 67.993
HIERARCH ESO ISS PBL12 END 68.021
HIERARCH ESO ISS PBLA12 START 269.2
HIERARCH ESO ISS PBLA12 END 269.3
HIERARCH ESO ISS PBL13 START 95.394
HIERARCH ESO ISS PBL13 END 95.433
HIERARCH ESO ISS PBLA13 START 248.5
HIERARCH ESO ISS PBLA13 END 248.6
HIERARCH ESO ISS PBL14 START 56.559
HIERARCH ESO ISS PBL14 END 56.561
HIERARCH ESO ISS PBLA14 START 330.409
HIERARCH ESO ISS PBLA14 END 330.497
HIERARCH ESO ISS PBL23 START 39.823
HIERARCH ESO ISS PBL23 END 39.831
HIERARCH ESO ISS PBLA23 START 211.4
HIERARCH ESO ISS PBLA23 END 211.5
HIERARCH ESO ISS PBL24 START 64.199
HIERARCH ESO ISS PBL24 END 64.215
HIERARCH ESO ISS PBLA24 START 38.604
HIERARCH ESO ISS PBLA24 END 38.712
HIERARCH ESO ISS PBL34 START 103.83
HIERARCH ESO ISS PBL34 END 103.854
HIERARCH ESO ISS PBLA34 START 35.86
HIERARCH ESO ISS PBLA34 END 35.968
HIERARCH ESO ISS AMBI TAU0 START 0.007846
HIERARCH ESO ISS AMBI TAU0 END 0.006682
HIERARCH ESO ISS AMBI TEMP 11.34
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.47