Exposure
ID
MATIS.2025-08-16T02:01:10.614_1
Header ID
MATIS.2025-08-16T02:01:10.614
Date updated
2025-08-16 02:10:32 UTC+0000
Release date
2026-08-16 02:10:32 UTC+0000
UTC Start
2025-08-16 02:01:10.614
UTC End
2025-08-16 02:02:10.622
MJD Start
60903.08415062
MJD End
60903.08484515704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.002237
Ambient temperature (°C)
9.32
Seeing (arcsec)
1.0
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 67.0150 66.9580 276.3000 276.4000
K0-D0 94.5090 94.4410 255.4000 255.5000
K0-J3 56.1630 56.1530 338.3270 338.4520
G2-D0 39.8520 39.8430 218.6000 218.7000
G2-J3 64.1570 64.1360 45.6430 45.7230
D0-J3 103.8210 103.7920 42.9350 43.0150
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 60903.08415062
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 67.015
HIERARCH ESO ISS PBL12 END 66.958
HIERARCH ESO ISS PBLA12 START 276.3
HIERARCH ESO ISS PBLA12 END 276.4
HIERARCH ESO ISS PBL13 START 94.509
HIERARCH ESO ISS PBL13 END 94.441
HIERARCH ESO ISS PBLA13 START 255.4
HIERARCH ESO ISS PBLA13 END 255.5
HIERARCH ESO ISS PBL14 START 56.163
HIERARCH ESO ISS PBL14 END 56.153
HIERARCH ESO ISS PBLA14 START 338.327
HIERARCH ESO ISS PBLA14 END 338.452
HIERARCH ESO ISS PBL23 START 39.852
HIERARCH ESO ISS PBL23 END 39.843
HIERARCH ESO ISS PBLA23 START 218.6
HIERARCH ESO ISS PBLA23 END 218.7
HIERARCH ESO ISS PBL24 START 64.157
HIERARCH ESO ISS PBL24 END 64.136
HIERARCH ESO ISS PBLA24 START 45.643
HIERARCH ESO ISS PBLA24 END 45.723
HIERARCH ESO ISS PBL34 START 103.821
HIERARCH ESO ISS PBL34 END 103.792
HIERARCH ESO ISS PBLA34 START 42.935
HIERARCH ESO ISS PBLA34 END 43.015
HIERARCH ESO ISS AMBI TAU0 START 0.002237
HIERARCH ESO ISS AMBI TAU0 END 0.002237
HIERARCH ESO ISS AMBI TEMP 9.32
HIERARCH ESO ISS AMBI FWHM START 1.0
HIERARCH ESO ISS AMBI FWHM END 1.0