Exposure
ID
MATIS.2025-08-14T03:20:03.399_1
Header ID
MATIS.2025-08-14T03:20:03.399
Date updated
2025-08-14 03:30:56 UTC+0000
Release date
2026-08-14 03:30:56 UTC+0000
UTC Start
2025-08-14 03:20:03.399
UTC End
2025-08-14 03:21:03.407
MJD Start
60901.13892823
MJD End
60901.13962276704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.008035500000000001
Ambient temperature (°C)
14.32
Seeing (arcsec)
0.84
Observation
ID
69986
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
51926
Name
V VX Sgr
RA
272.016259
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
K0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-B2 111.8850 111.6940 248.9000 248.9000
K0-D0 86.1440 85.9710 261.1000 261.2000
K0-J3 55.3960 55.3860 347.6860 347.8300
B2-D0 33.1640 33.1470 35.5000 35.5000
B2-J3 132.2540 132.1440 44.4040 44.4510
D0-J3 99.6250 99.5310 47.3640 47.4110
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 60901.13892823
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016259
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 B2
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 111.885
HIERARCH ESO ISS PBL12 END 111.694
HIERARCH ESO ISS PBLA12 START 248.9
HIERARCH ESO ISS PBLA12 END 248.9
HIERARCH ESO ISS PBL13 START 86.144
HIERARCH ESO ISS PBL13 END 85.971
HIERARCH ESO ISS PBLA13 START 261.1
HIERARCH ESO ISS PBLA13 END 261.2
HIERARCH ESO ISS PBL14 START 55.396
HIERARCH ESO ISS PBL14 END 55.386
HIERARCH ESO ISS PBLA14 START 347.686
HIERARCH ESO ISS PBLA14 END 347.83
HIERARCH ESO ISS PBL23 START 33.164
HIERARCH ESO ISS PBL23 END 33.147
HIERARCH ESO ISS PBLA23 START 35.5
HIERARCH ESO ISS PBLA23 END 35.5
HIERARCH ESO ISS PBL24 START 132.254
HIERARCH ESO ISS PBL24 END 132.144
HIERARCH ESO ISS PBLA24 START 44.404
HIERARCH ESO ISS PBLA24 END 44.451
HIERARCH ESO ISS PBL34 START 99.625
HIERARCH ESO ISS PBL34 END 99.531
HIERARCH ESO ISS PBLA34 START 47.364
HIERARCH ESO ISS PBLA34 END 47.411
HIERARCH ESO ISS AMBI TAU0 START 0.007859
HIERARCH ESO ISS AMBI TAU0 END 0.008212
HIERARCH ESO ISS AMBI TEMP 14.32
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.84