Exposure
ID
PIONI.2025-07-16T01:24:13.279_1
Header ID
PIONI.2025-07-16T01:24:13.279
Date updated
2025-07-16 01:30:53 UTC+0000
Release date
2025-07-16 01:24:13 UTC+0000
UTC Start
2025-07-16 01:24:13.279
UTC End
2025-07-16 01:24:38.879
MJD Start
60872.0584870311
MJD End
60872.0587833274
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002036
Ambient temperature (°C)
12.47
Seeing (arcsec)
1.185
Observation
ID
68807
Category
calibrator
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
51192
Name
HD 165634
RA
272.019636
DEC
-28.45727
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 82.3900 82.4740 104.6000 104.6000
A0-J2 117.7260 117.8470 79.1000 79.2000
A0-K0 119.8750 119.9600 55.8310 55.9310
G1-J2 56.0300 56.0540 39.8000 39.9000
G1-K0 90.1840 90.1880 12.4530 12.5350
J2-K0 47.9030 47.9100 339.9720 340.0220
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60872.0584870311
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 165634
RA 272.019636
DEC -28.45727
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 82.39
HIERARCH ESO ISS PBL12 END 82.474
HIERARCH ESO ISS PBLA12 START 104.6
HIERARCH ESO ISS PBLA12 END 104.6
HIERARCH ESO ISS PBL13 START 117.726
HIERARCH ESO ISS PBL13 END 117.847
HIERARCH ESO ISS PBLA13 START 79.1
HIERARCH ESO ISS PBLA13 END 79.2
HIERARCH ESO ISS PBL14 START 119.875
HIERARCH ESO ISS PBL14 END 119.96
HIERARCH ESO ISS PBLA14 START 55.831
HIERARCH ESO ISS PBLA14 END 55.931
HIERARCH ESO ISS PBL23 START 56.03
HIERARCH ESO ISS PBL23 END 56.054
HIERARCH ESO ISS PBLA23 START 39.8
HIERARCH ESO ISS PBLA23 END 39.9
HIERARCH ESO ISS PBL24 START 90.184
HIERARCH ESO ISS PBL24 END 90.188
HIERARCH ESO ISS PBLA24 START 12.453
HIERARCH ESO ISS PBLA24 END 12.535
HIERARCH ESO ISS PBL34 START 47.903
HIERARCH ESO ISS PBL34 END 47.91
HIERARCH ESO ISS PBLA34 START 339.972
HIERARCH ESO ISS PBLA34 END 340.022
HIERARCH ESO ISS AMBI TAU0 START 0.001988
HIERARCH ESO ISS AMBI TAU0 END 0.002084
HIERARCH ESO ISS AMBI TEMP 12.47
HIERARCH ESO ISS AMBI FWHM START 1.22
HIERARCH ESO ISS AMBI FWHM END 1.15