Exposure
ID
MATIS.2025-07-25T05:32:53.277_1
Header ID
MATIS.2025-07-25T05:32:53.277
Date updated
2025-07-25 05:45:48 UTC+0000
Release date
2026-07-25 05:45:48 UTC+0000
UTC Start
2025-07-25 05:32:53.277
UTC End
2025-07-25 05:33:53.285
MJD Start
60881.23117219
MJD End
60881.23186672704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.00318
Ambient temperature (°C)
12.51
Seeing (arcsec)
0.57
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 23.8190 23.8120 167.0000 167.2000
A0-D0 24.9940 24.9120 85.3000 85.4000
A0-C1 18.9630 18.9310 141.2370 141.4540
B2-D0 31.9390 31.9100 37.7000 37.8000
B2-C1 10.6410 10.6310 37.6970 37.7270
D0-C1 21.2980 21.2790 217.7520 217.7820
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 60881.23117219
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 23.819
HIERARCH ESO ISS PBL12 END 23.812
HIERARCH ESO ISS PBLA12 START 167.0
HIERARCH ESO ISS PBLA12 END 167.2
HIERARCH ESO ISS PBL13 START 24.994
HIERARCH ESO ISS PBL13 END 24.912
HIERARCH ESO ISS PBLA13 START 85.3
HIERARCH ESO ISS PBLA13 END 85.4
HIERARCH ESO ISS PBL14 START 18.963
HIERARCH ESO ISS PBL14 END 18.931
HIERARCH ESO ISS PBLA14 START 141.237
HIERARCH ESO ISS PBLA14 END 141.454
HIERARCH ESO ISS PBL23 START 31.939
HIERARCH ESO ISS PBL23 END 31.91
HIERARCH ESO ISS PBLA23 START 37.7
HIERARCH ESO ISS PBLA23 END 37.8
HIERARCH ESO ISS PBL24 START 10.641
HIERARCH ESO ISS PBL24 END 10.631
HIERARCH ESO ISS PBLA24 START 37.697
HIERARCH ESO ISS PBLA24 END 37.727
HIERARCH ESO ISS PBL34 START 21.298
HIERARCH ESO ISS PBL34 END 21.279
HIERARCH ESO ISS PBLA34 START 217.752
HIERARCH ESO ISS PBLA34 END 217.782
HIERARCH ESO ISS AMBI TAU0 START 0.00318
HIERARCH ESO ISS AMBI TAU0 END 0.00318
HIERARCH ESO ISS AMBI TEMP 12.51
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57