Exposure
ID
MATIS.2025-06-28T00:29:34.127_1
Header ID
MATIS.2025-06-28T00:29:34.127
Date updated
2025-06-28 00:36:51 UTC+0000
Release date
2026-06-28 00:36:50 UTC+0000
UTC Start
2025-06-28 00:29:34.127
UTC End
2025-06-28 00:30:34.135
MJD Start
60854.02053388
MJD End
60854.02122841704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.00241
Ambient temperature (°C)
6.8
Seeing (arcsec)
0.595
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 20.2810 20.3270 131.9000 131.9000
A0-D0 22.7490 22.7970 31.4000 31.7000
A0-C1 14.2430 14.3140 100.3880 100.4320
B2-D0 33.1200 33.1170 354.4000 354.5000
B2-C1 11.0340 11.0330 354.3630 354.5120
D0-C1 22.0860 22.0840 174.4030 174.5520
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 60854.02053388
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 20.281
HIERARCH ESO ISS PBL12 END 20.327
HIERARCH ESO ISS PBLA12 START 131.9
HIERARCH ESO ISS PBLA12 END 131.9
HIERARCH ESO ISS PBL13 START 22.749
HIERARCH ESO ISS PBL13 END 22.797
HIERARCH ESO ISS PBLA13 START 31.4
HIERARCH ESO ISS PBLA13 END 31.7
HIERARCH ESO ISS PBL14 START 14.243
HIERARCH ESO ISS PBL14 END 14.314
HIERARCH ESO ISS PBLA14 START 100.388
HIERARCH ESO ISS PBLA14 END 100.432
HIERARCH ESO ISS PBL23 START 33.12
HIERARCH ESO ISS PBL23 END 33.117
HIERARCH ESO ISS PBLA23 START 354.4
HIERARCH ESO ISS PBLA23 END 354.5
HIERARCH ESO ISS PBL24 START 11.034
HIERARCH ESO ISS PBL24 END 11.033
HIERARCH ESO ISS PBLA24 START 354.363
HIERARCH ESO ISS PBLA24 END 354.512
HIERARCH ESO ISS PBL34 START 22.086
HIERARCH ESO ISS PBL34 END 22.084
HIERARCH ESO ISS PBLA34 START 174.403
HIERARCH ESO ISS PBLA34 END 174.552
HIERARCH ESO ISS AMBI TAU0 START 0.00241
HIERARCH ESO ISS AMBI TAU0 END 0.00241
HIERARCH ESO ISS AMBI TEMP 6.8
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.56