Exposure
ID
MATIS.2025-07-25T05:32:52.542_1
Header ID
MATIS.2025-07-25T05:32:52.542
Date updated
2025-07-25 05:41:31 UTC+0000
Release date
2026-07-25 05:41:31 UTC+0000
UTC Start
2025-07-25 05:32:52.542
UTC End
2025-07-25 05:33:52.506
MJD Start
60881.23116368
MJD End
60881.231857707775
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
68241
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
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 23.8200 23.8120 167.0000 167.2000
A0-D0 24.9960 24.9130 85.3000 85.4000
A0-C1 18.9630 18.9310 141.2340 141.4500
B2-D0 31.9390 31.9100 37.7000 37.8000
B2-C1 10.6410 10.6310 37.6970 37.7260
D0-C1 21.2990 21.2790 217.7520 217.7810
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 60881.23116368
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.015659
DEC -22.22406
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL 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 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.228
HIERARCH ESO DET NDIT 263
HIERARCH ESO ISS PBL12 START 23.82
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 24.996
HIERARCH ESO ISS PBL13 END 24.913
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 141.234
HIERARCH ESO ISS PBLA14 END 141.45
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 37.726
HIERARCH ESO ISS PBL34 START 21.299
HIERARCH ESO ISS PBL34 END 21.279
HIERARCH ESO ISS PBLA34 START 217.752
HIERARCH ESO ISS PBLA34 END 217.781
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