Exposure
ID
MATIS.2025-08-14T03:12:45.317_1
Header ID
MATIS.2025-08-14T03:12:45.317
Date updated
2025-08-14 03:20:53 UTC+0000
Release date
2026-08-14 03:20:52 UTC+0000
UTC Start
2025-08-14 03:12:45.317
UTC End
2025-08-14 03:13:45.325
MJD Start
60901.13385784
MJD End
60901.13455237704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.005553
Ambient temperature (°C)
14.43
Seeing (arcsec)
0.855
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 113.2090 113.0270 248.4000 248.5000
K0-D0 87.3440 87.1800 260.5000 260.6000
K0-J3 55.4700 55.4590 346.6570 346.8010
B2-D0 33.2820 33.2660 35.1000 35.1000
B2-J3 133.0130 132.9090 44.0470 44.0990
D0-J3 100.2720 100.1840 47.0140 47.0650
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 60901.13385784
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 113.209
HIERARCH ESO ISS PBL12 END 113.027
HIERARCH ESO ISS PBLA12 START 248.4
HIERARCH ESO ISS PBLA12 END 248.5
HIERARCH ESO ISS PBL13 START 87.344
HIERARCH ESO ISS PBL13 END 87.18
HIERARCH ESO ISS PBLA13 START 260.5
HIERARCH ESO ISS PBLA13 END 260.6
HIERARCH ESO ISS PBL14 START 55.47
HIERARCH ESO ISS PBL14 END 55.459
HIERARCH ESO ISS PBLA14 START 346.657
HIERARCH ESO ISS PBLA14 END 346.801
HIERARCH ESO ISS PBL23 START 33.282
HIERARCH ESO ISS PBL23 END 33.266
HIERARCH ESO ISS PBLA23 START 35.1
HIERARCH ESO ISS PBLA23 END 35.1
HIERARCH ESO ISS PBL24 START 133.013
HIERARCH ESO ISS PBL24 END 132.909
HIERARCH ESO ISS PBLA24 START 44.047
HIERARCH ESO ISS PBLA24 END 44.099
HIERARCH ESO ISS PBL34 START 100.272
HIERARCH ESO ISS PBL34 END 100.184
HIERARCH ESO ISS PBLA34 START 47.014
HIERARCH ESO ISS PBLA34 END 47.065
HIERARCH ESO ISS AMBI TAU0 START 0.005553
HIERARCH ESO ISS AMBI TAU0 END 0.005553
HIERARCH ESO ISS AMBI TEMP 14.43
HIERARCH ESO ISS AMBI FWHM START 1.01
HIERARCH ESO ISS AMBI FWHM END 0.7