Exposure
ID
MATIS.2025-06-28T06:19:00.803_1
Header ID
MATIS.2025-06-28T06:19:00.803
Date updated
2025-06-28 06:26:18 UTC+0000
Release date
2026-06-28 06:26:18 UTC+0000
UTC Start
2025-06-28 06:19:00.803
UTC End
2025-06-28 06:20:00.811
MJD Start
60854.26320374
MJD End
60854.263898277044
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0020635
Ambient temperature (°C)
4.77
Seeing (arcsec)
0.76
Observation
ID
68242
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
50630
Name
V VX Sgr
RA
272.015659
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.3940 24.3830 157.1000 157.2000
A0-D0 29.0460 28.9910 80.6000 80.7000
A0-C1 20.7800 20.7520 130.1570 130.3190
B2-D0 33.2590 33.2430 35.2000 35.2000
B2-C1 11.0800 11.0740 35.1170 35.1740
D0-C1 22.1800 22.1690 215.1760 215.2340
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 60854.26320374
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.015659
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 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 24.394
HIERARCH ESO ISS PBL12 END 24.383
HIERARCH ESO ISS PBLA12 START 157.1
HIERARCH ESO ISS PBLA12 END 157.2
HIERARCH ESO ISS PBL13 START 29.046
HIERARCH ESO ISS PBL13 END 28.991
HIERARCH ESO ISS PBLA13 START 80.6
HIERARCH ESO ISS PBLA13 END 80.7
HIERARCH ESO ISS PBL14 START 20.78
HIERARCH ESO ISS PBL14 END 20.752
HIERARCH ESO ISS PBLA14 START 130.157
HIERARCH ESO ISS PBLA14 END 130.319
HIERARCH ESO ISS PBL23 START 33.259
HIERARCH ESO ISS PBL23 END 33.243
HIERARCH ESO ISS PBLA23 START 35.2
HIERARCH ESO ISS PBLA23 END 35.2
HIERARCH ESO ISS PBL24 START 11.08
HIERARCH ESO ISS PBL24 END 11.074
HIERARCH ESO ISS PBLA24 START 35.117
HIERARCH ESO ISS PBLA24 END 35.174
HIERARCH ESO ISS PBL34 START 22.18
HIERARCH ESO ISS PBL34 END 22.169
HIERARCH ESO ISS PBLA34 START 215.176
HIERARCH ESO ISS PBLA34 END 215.234
HIERARCH ESO ISS AMBI TAU0 START 0.002178
HIERARCH ESO ISS AMBI TAU0 END 0.001949
HIERARCH ESO ISS AMBI TEMP 4.77
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.79