Exposure
ID
PIONI.2025-07-22T04:00:32.262_1
Header ID
PIONI.2025-07-22T04:00:32.262
Date updated
2025-07-22 05:30:45 UTC+0000
Release date
2026-07-22 05:30:44 UTC+0000
UTC Start
2025-07-22 04:00:32.262
UTC End
2025-07-22 04:00:57.862
MJD Start
60878.1670400682
MJD End
60878.167336364495
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.007181
Ambient temperature (°C)
14.04
Seeing (arcsec)
0.86
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 87.3790 87.3330 123.8000 123.9000
A0-J2 124.1010 124.0170 99.7000 99.8000
A0-K0 123.7420 123.6660 77.1500 77.1960
G1-J2 56.8770 56.8510 60.9000 61.0000
G1-K0 90.0280 90.0160 32.2490 32.2920
J2-K0 48.5310 48.5300 358.0240 358.0880
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 60878.1670400682
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 87.379
HIERARCH ESO ISS PBL12 END 87.333
HIERARCH ESO ISS PBLA12 START 123.8
HIERARCH ESO ISS PBLA12 END 123.9
HIERARCH ESO ISS PBL13 START 124.101
HIERARCH ESO ISS PBL13 END 124.017
HIERARCH ESO ISS PBLA13 START 99.7
HIERARCH ESO ISS PBLA13 END 99.8
HIERARCH ESO ISS PBL14 START 123.742
HIERARCH ESO ISS PBL14 END 123.666
HIERARCH ESO ISS PBLA14 START 77.15
HIERARCH ESO ISS PBLA14 END 77.196
HIERARCH ESO ISS PBL23 START 56.877
HIERARCH ESO ISS PBL23 END 56.851
HIERARCH ESO ISS PBLA23 START 60.9
HIERARCH ESO ISS PBLA23 END 61.0
HIERARCH ESO ISS PBL24 START 90.028
HIERARCH ESO ISS PBL24 END 90.016
HIERARCH ESO ISS PBLA24 START 32.249
HIERARCH ESO ISS PBLA24 END 32.292
HIERARCH ESO ISS PBL34 START 48.531
HIERARCH ESO ISS PBL34 END 48.53
HIERARCH ESO ISS PBLA34 START 358.024
HIERARCH ESO ISS PBLA34 END 358.088
HIERARCH ESO ISS AMBI TAU0 START 0.007667
HIERARCH ESO ISS AMBI TAU0 END 0.006695
HIERARCH ESO ISS AMBI TEMP 14.04
HIERARCH ESO ISS AMBI FWHM START 0.85
HIERARCH ESO ISS AMBI FWHM END 0.87