Exposure
ID
MATIS.2025-06-21T07:26:51.899_1
Header ID
MATIS.2025-06-21T07:26:51.899
Date updated
2025-06-21 07:35:41 UTC+0000
Release date
2026-06-21 07:35:41 UTC+0000
UTC Start
2025-06-21 07:26:51.899
UTC End
2025-06-21 07:27:51.907
MJD Start
60847.31032291
MJD End
60847.31101744704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003451
Ambient temperature (°C)
11.34
Seeing (arcsec)
0.535
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 55.8360 55.6820 288.8000 288.9000
K0-D0 79.4820 79.2610 263.7000 263.8000
K0-J3 55.1080 55.1010 352.6870 352.8380
G2-D0 37.3120 37.2700 224.5000 224.5000
G2-J3 58.7360 58.6500 51.3300 51.3590
D0-J3 95.8850 95.7570 48.6670 48.6960
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 60847.31032291
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 55.836
HIERARCH ESO ISS PBL12 END 55.682
HIERARCH ESO ISS PBLA12 START 288.8
HIERARCH ESO ISS PBLA12 END 288.9
HIERARCH ESO ISS PBL13 START 79.482
HIERARCH ESO ISS PBL13 END 79.261
HIERARCH ESO ISS PBLA13 START 263.7
HIERARCH ESO ISS PBLA13 END 263.8
HIERARCH ESO ISS PBL14 START 55.108
HIERARCH ESO ISS PBL14 END 55.101
HIERARCH ESO ISS PBLA14 START 352.687
HIERARCH ESO ISS PBLA14 END 352.838
HIERARCH ESO ISS PBL23 START 37.312
HIERARCH ESO ISS PBL23 END 37.27
HIERARCH ESO ISS PBLA23 START 224.5
HIERARCH ESO ISS PBLA23 END 224.5
HIERARCH ESO ISS PBL24 START 58.736
HIERARCH ESO ISS PBL24 END 58.65
HIERARCH ESO ISS PBLA24 START 51.33
HIERARCH ESO ISS PBLA24 END 51.359
HIERARCH ESO ISS PBL34 START 95.885
HIERARCH ESO ISS PBL34 END 95.757
HIERARCH ESO ISS PBLA34 START 48.667
HIERARCH ESO ISS PBLA34 END 48.696
HIERARCH ESO ISS AMBI TAU0 START 0.003458
HIERARCH ESO ISS AMBI TAU0 END 0.003444
HIERARCH ESO ISS AMBI TEMP 11.34
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.52