Exposure
ID
MATIS.2025-07-25T05:30:00.634_1
Header ID
MATIS.2025-07-25T05:30:00.634
Date updated
2025-07-25 05:35:39 UTC+0000
Release date
2026-07-25 05:35:39 UTC+0000
UTC Start
2025-07-25 05:30:00.634
UTC End
2025-07-25 05:31:00.642
MJD Start
60881.22917401
MJD End
60881.22986854704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003726
Ambient temperature (°C)
12.49
Seeing (arcsec)
0.55
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 23.8420 23.8340 166.5000 166.6000
A0-D0 25.2250 25.1440 85.1000 85.1000
A0-C1 19.0530 19.0210 140.6290 140.8420
B2-D0 32.0200 31.9920 37.6000 37.7000
B2-C1 10.6680 10.6580 37.6120 37.6420
D0-C1 21.3520 21.3330 217.6670 217.6970
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 60881.22917401
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 23.842
HIERARCH ESO ISS PBL12 END 23.834
HIERARCH ESO ISS PBLA12 START 166.5
HIERARCH ESO ISS PBLA12 END 166.6
HIERARCH ESO ISS PBL13 START 25.225
HIERARCH ESO ISS PBL13 END 25.144
HIERARCH ESO ISS PBLA13 START 85.1
HIERARCH ESO ISS PBLA13 END 85.1
HIERARCH ESO ISS PBL14 START 19.053
HIERARCH ESO ISS PBL14 END 19.021
HIERARCH ESO ISS PBLA14 START 140.629
HIERARCH ESO ISS PBLA14 END 140.842
HIERARCH ESO ISS PBL23 START 32.02
HIERARCH ESO ISS PBL23 END 31.992
HIERARCH ESO ISS PBLA23 START 37.6
HIERARCH ESO ISS PBLA23 END 37.7
HIERARCH ESO ISS PBL24 START 10.668
HIERARCH ESO ISS PBL24 END 10.658
HIERARCH ESO ISS PBLA24 START 37.612
HIERARCH ESO ISS PBLA24 END 37.642
HIERARCH ESO ISS PBL34 START 21.352
HIERARCH ESO ISS PBL34 END 21.333
HIERARCH ESO ISS PBLA34 START 217.667
HIERARCH ESO ISS PBLA34 END 217.697
HIERARCH ESO ISS AMBI TAU0 START 0.00378
HIERARCH ESO ISS AMBI TAU0 END 0.003672
HIERARCH ESO ISS AMBI TEMP 12.49
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.55