Exposure
ID
MATIS.2025-06-21T07:03:42.238_1
Header ID
MATIS.2025-06-21T07:03:42.238
Date updated
2025-06-21 07:10:50 UTC+0000
Release date
2026-06-21 07:10:50 UTC+0000
UTC Start
2025-06-21 07:03:42.238
UTC End
2025-06-21 07:04:42.246
MJD Start
60847.29423887
MJD End
60847.29493340704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004133
Ambient temperature (°C)
12.07
Seeing (arcsec)
0.43
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 59.1380 59.0010 285.5000 285.7000
K0-D0 84.1350 83.9460 262.0000 262.0000
K0-J3 55.2890 55.2800 349.3050 349.4510
G2-D0 38.1700 38.1360 223.6000 223.7000
G2-J3 60.5200 60.4490 50.5250 50.5660
D0-J3 98.5200 98.4150 47.8560 47.8970
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 60847.29423887
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 59.138
HIERARCH ESO ISS PBL12 END 59.001
HIERARCH ESO ISS PBLA12 START 285.5
HIERARCH ESO ISS PBLA12 END 285.7
HIERARCH ESO ISS PBL13 START 84.135
HIERARCH ESO ISS PBL13 END 83.946
HIERARCH ESO ISS PBLA13 START 262.0
HIERARCH ESO ISS PBLA13 END 262.0
HIERARCH ESO ISS PBL14 START 55.289
HIERARCH ESO ISS PBL14 END 55.28
HIERARCH ESO ISS PBLA14 START 349.305
HIERARCH ESO ISS PBLA14 END 349.451
HIERARCH ESO ISS PBL23 START 38.17
HIERARCH ESO ISS PBL23 END 38.136
HIERARCH ESO ISS PBLA23 START 223.6
HIERARCH ESO ISS PBLA23 END 223.7
HIERARCH ESO ISS PBL24 START 60.52
HIERARCH ESO ISS PBL24 END 60.449
HIERARCH ESO ISS PBLA24 START 50.525
HIERARCH ESO ISS PBLA24 END 50.566
HIERARCH ESO ISS PBL34 START 98.52
HIERARCH ESO ISS PBL34 END 98.415
HIERARCH ESO ISS PBLA34 START 47.856
HIERARCH ESO ISS PBLA34 END 47.897
HIERARCH ESO ISS AMBI TAU0 START 0.004133
HIERARCH ESO ISS AMBI TAU0 END 0.004133
HIERARCH ESO ISS AMBI TEMP 12.07
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.43