Exposure
ID
MATIS.2025-06-21T07:18:17.044_1
Header ID
MATIS.2025-06-21T07:18:17.044
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 07:18:17.044
UTC End
2025-06-21 07:19:17.052
MJD Start
60847.30436393
MJD End
60847.30505846704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.00298
Ambient temperature (°C)
11.74
Seeing (arcsec)
0.615
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 57.1070 56.9590 287.5000 287.7000
K0-D0 81.2920 81.0820 263.1000 263.2000
K0-J3 55.1690 55.1610 351.4230 351.5720
G2-D0 37.6500 37.6110 224.2000 224.2000
G2-J3 59.4360 59.3560 51.0630 51.0960
D0-J3 96.9210 96.8020 48.3980 48.4320
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 60847.30436393
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 57.107
HIERARCH ESO ISS PBL12 END 56.959
HIERARCH ESO ISS PBLA12 START 287.5
HIERARCH ESO ISS PBLA12 END 287.7
HIERARCH ESO ISS PBL13 START 81.292
HIERARCH ESO ISS PBL13 END 81.082
HIERARCH ESO ISS PBLA13 START 263.1
HIERARCH ESO ISS PBLA13 END 263.2
HIERARCH ESO ISS PBL14 START 55.169
HIERARCH ESO ISS PBL14 END 55.161
HIERARCH ESO ISS PBLA14 START 351.423
HIERARCH ESO ISS PBLA14 END 351.572
HIERARCH ESO ISS PBL23 START 37.65
HIERARCH ESO ISS PBL23 END 37.611
HIERARCH ESO ISS PBLA23 START 224.2
HIERARCH ESO ISS PBLA23 END 224.2
HIERARCH ESO ISS PBL24 START 59.436
HIERARCH ESO ISS PBL24 END 59.356
HIERARCH ESO ISS PBLA24 START 51.063
HIERARCH ESO ISS PBLA24 END 51.096
HIERARCH ESO ISS PBL34 START 96.921
HIERARCH ESO ISS PBL34 END 96.802
HIERARCH ESO ISS PBLA34 START 48.398
HIERARCH ESO ISS PBLA34 END 48.432
HIERARCH ESO ISS AMBI TAU0 START 0.003371
HIERARCH ESO ISS AMBI TAU0 END 0.002589
HIERARCH ESO ISS AMBI TEMP 11.74
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.61