Exposure
ID
MATIS.2025-06-21T07:19:41.119_1
Header ID
MATIS.2025-06-21T07:19:41.119
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 07:19:41.119
UTC End
2025-06-21 07:20:41.127
MJD Start
60847.30533702
MJD End
60847.30603155704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.002589
Ambient temperature (°C)
11.68
Seeing (arcsec)
0.57
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 56.9030 56.7540 287.7000 287.9000
K0-D0 81.0030 80.7920 263.2000 263.3000
K0-J3 55.1580 55.1510 351.6280 351.7780
G2-D0 37.5970 37.5570 224.2000 224.3000
G2-J3 59.3250 59.2430 51.1090 51.1420
D0-J3 96.7570 96.6340 48.4440 48.4780
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 60847.30533702
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 56.903
HIERARCH ESO ISS PBL12 END 56.754
HIERARCH ESO ISS PBLA12 START 287.7
HIERARCH ESO ISS PBLA12 END 287.9
HIERARCH ESO ISS PBL13 START 81.003
HIERARCH ESO ISS PBL13 END 80.792
HIERARCH ESO ISS PBLA13 START 263.2
HIERARCH ESO ISS PBLA13 END 263.3
HIERARCH ESO ISS PBL14 START 55.158
HIERARCH ESO ISS PBL14 END 55.151
HIERARCH ESO ISS PBLA14 START 351.628
HIERARCH ESO ISS PBLA14 END 351.778
HIERARCH ESO ISS PBL23 START 37.597
HIERARCH ESO ISS PBL23 END 37.557
HIERARCH ESO ISS PBLA23 START 224.2
HIERARCH ESO ISS PBLA23 END 224.3
HIERARCH ESO ISS PBL24 START 59.325
HIERARCH ESO ISS PBL24 END 59.243
HIERARCH ESO ISS PBLA24 START 51.109
HIERARCH ESO ISS PBLA24 END 51.142
HIERARCH ESO ISS PBL34 START 96.757
HIERARCH ESO ISS PBL34 END 96.634
HIERARCH ESO ISS PBLA34 START 48.444
HIERARCH ESO ISS PBLA34 END 48.478
HIERARCH ESO ISS AMBI TAU0 START 0.002589
HIERARCH ESO ISS AMBI TAU0 END 0.002589
HIERARCH ESO ISS AMBI TEMP 11.68
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57