Exposure
ID
MATIS.2025-07-25T05:28:37.377_1
Header ID
MATIS.2025-07-25T05:28:37.377
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 05:28:37.377
UTC End
2025-07-25 05:29:37.385
MJD Start
60881.22821038
MJD End
60881.22890491704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.00378
Ambient temperature (°C)
12.44
Seeing (arcsec)
0.585
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 23.8530 23.8450 166.2000 166.4000
A0-D0 25.3350 25.2540 85.0000 85.0000
A0-C1 19.0960 19.0640 140.3400 140.5520
B2-D0 32.0580 32.0300 37.6000 37.6000
B2-C1 10.6800 10.6710 37.5690 37.6010
D0-C1 21.3780 21.3590 217.6240 217.6560
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 60881.22821038
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 23.853
HIERARCH ESO ISS PBL12 END 23.845
HIERARCH ESO ISS PBLA12 START 166.2
HIERARCH ESO ISS PBLA12 END 166.4
HIERARCH ESO ISS PBL13 START 25.335
HIERARCH ESO ISS PBL13 END 25.254
HIERARCH ESO ISS PBLA13 START 85.0
HIERARCH ESO ISS PBLA13 END 85.0
HIERARCH ESO ISS PBL14 START 19.096
HIERARCH ESO ISS PBL14 END 19.064
HIERARCH ESO ISS PBLA14 START 140.34
HIERARCH ESO ISS PBLA14 END 140.552
HIERARCH ESO ISS PBL23 START 32.058
HIERARCH ESO ISS PBL23 END 32.03
HIERARCH ESO ISS PBLA23 START 37.6
HIERARCH ESO ISS PBLA23 END 37.6
HIERARCH ESO ISS PBL24 START 10.68
HIERARCH ESO ISS PBL24 END 10.671
HIERARCH ESO ISS PBLA24 START 37.569
HIERARCH ESO ISS PBLA24 END 37.601
HIERARCH ESO ISS PBL34 START 21.378
HIERARCH ESO ISS PBL34 END 21.359
HIERARCH ESO ISS PBLA34 START 217.624
HIERARCH ESO ISS PBLA34 END 217.656
HIERARCH ESO ISS AMBI TAU0 START 0.00378
HIERARCH ESO ISS AMBI TAU0 END 0.00378
HIERARCH ESO ISS AMBI TEMP 12.44
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.55