Exposure
ID
MATIS.2025-06-18T03:57:15.576_1
Header ID
MATIS.2025-06-18T03:57:15.576
Date updated
2025-06-18 04:08:10 UTC+0000
Release date
2026-06-18 04:08:09 UTC+0000
UTC Start
2025-06-18 03:57:15.576
UTC End
2025-06-18 03:58:15.584
MJD Start
60844.16476361
MJD End
60844.16545814704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003391
Ambient temperature (°C)
6.81
Seeing (arcsec)
0.72
Observation
ID
68120
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 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 88.0870 88.1670 110.2000 110.3000
A0-J2 124.5610 124.7010 86.4000 86.5000
A0-K0 123.5170 123.6400 63.7870 63.9120
G1-J2 56.6060 56.6470 47.4000 47.5000
G1-K0 89.5860 89.6030 18.3280 18.4560
J2-K0 48.6400 48.6410 343.8880 343.9800
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 60844.16476361
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 88.087
HIERARCH ESO ISS PBL12 END 88.167
HIERARCH ESO ISS PBLA12 START 110.2
HIERARCH ESO ISS PBLA12 END 110.3
HIERARCH ESO ISS PBL13 START 124.561
HIERARCH ESO ISS PBL13 END 124.701
HIERARCH ESO ISS PBLA13 START 86.4
HIERARCH ESO ISS PBLA13 END 86.5
HIERARCH ESO ISS PBL14 START 123.517
HIERARCH ESO ISS PBL14 END 123.64
HIERARCH ESO ISS PBLA14 START 63.787
HIERARCH ESO ISS PBLA14 END 63.912
HIERARCH ESO ISS PBL23 START 56.606
HIERARCH ESO ISS PBL23 END 56.647
HIERARCH ESO ISS PBLA23 START 47.4
HIERARCH ESO ISS PBLA23 END 47.5
HIERARCH ESO ISS PBL24 START 89.586
HIERARCH ESO ISS PBL24 END 89.603
HIERARCH ESO ISS PBLA24 START 18.328
HIERARCH ESO ISS PBLA24 END 18.456
HIERARCH ESO ISS PBL34 START 48.64
HIERARCH ESO ISS PBL34 END 48.641
HIERARCH ESO ISS PBLA34 START 343.888
HIERARCH ESO ISS PBLA34 END 343.98
HIERARCH ESO ISS AMBI TAU0 START 0.003391
HIERARCH ESO ISS AMBI TAU0 END 0.003391
HIERARCH ESO ISS AMBI TEMP 6.81
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.68