Exposure
ID
PIONI.2025-07-20T04:10:25.856_1
Header ID
PIONI.2025-07-20T04:10:25.856
Date updated
2025-07-20 04:20:48 UTC+0000
Release date
2026-07-20 04:20:48 UTC+0000
UTC Start
2025-07-20 04:10:25.856
UTC End
2025-07-20 04:10:51.456
MJD Start
60876.1739103659
MJD End
60876.174206662196
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002809
Ambient temperature (°C)
13.66
Seeing (arcsec)
1.68
Observation
ID
68114
Category
science
Program ID
115.27VC.001
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
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 87.2170 87.1680 124.1000 124.1000
A0-J2 123.8050 123.7160 99.9000 100.0000
A0-K0 123.4760 123.3960 77.3130 77.3620
G1-J2 56.7860 56.7590 61.1000 61.1000
G1-K0 89.9870 89.9740 32.3990 32.4440
J2-K0 48.5300 48.5290 358.2490 358.3150
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60876.1739103659
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.015659
DEC -22.22406
HIERARCH ESO INS OPTI2 NAME GRISM
HIERARCH ESO INS OPTI2 ID GRISM
HIERARCH ESO INS FILT1 NAME H
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
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 87.217
HIERARCH ESO ISS PBL12 END 87.168
HIERARCH ESO ISS PBLA12 START 124.1
HIERARCH ESO ISS PBLA12 END 124.1
HIERARCH ESO ISS PBL13 START 123.805
HIERARCH ESO ISS PBL13 END 123.716
HIERARCH ESO ISS PBLA13 START 99.9
HIERARCH ESO ISS PBLA13 END 100.0
HIERARCH ESO ISS PBL14 START 123.476
HIERARCH ESO ISS PBL14 END 123.396
HIERARCH ESO ISS PBLA14 START 77.313
HIERARCH ESO ISS PBLA14 END 77.362
HIERARCH ESO ISS PBL23 START 56.786
HIERARCH ESO ISS PBL23 END 56.759
HIERARCH ESO ISS PBLA23 START 61.1
HIERARCH ESO ISS PBLA23 END 61.1
HIERARCH ESO ISS PBL24 START 89.987
HIERARCH ESO ISS PBL24 END 89.974
HIERARCH ESO ISS PBLA24 START 32.399
HIERARCH ESO ISS PBLA24 END 32.444
HIERARCH ESO ISS PBL34 START 48.53
HIERARCH ESO ISS PBL34 END 48.529
HIERARCH ESO ISS PBLA34 START 358.249
HIERARCH ESO ISS PBLA34 END 358.315
HIERARCH ESO ISS AMBI TAU0 START 0.002809
HIERARCH ESO ISS AMBI TAU0 END 0.002809
HIERARCH ESO ISS AMBI TEMP 13.66
HIERARCH ESO ISS AMBI FWHM START 1.68
HIERARCH ESO ISS AMBI FWHM END 1.68