Exposure
ID
PIONI.2025-07-20T04:03:54.600_1
Header ID
PIONI.2025-07-20T04:03:54.600
Date updated
2025-07-20 04:10:46 UTC+0000
Release date
2025-07-20 04:03:54 UTC+0000
UTC Start
2025-07-20 04:03:54.601
UTC End
2025-07-20 04:04:20.201
MJD Start
60876.1693819524
MJD End
60876.1696782487
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002483
Ambient temperature (°C)
13.54
Seeing (arcsec)
1.53
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 88.9190 88.8870 124.4000 124.5000
A0-J2 125.3600 125.2900 100.8000 100.9000
A0-K0 123.5640 123.4910 78.3420 78.4070
G1-J2 56.3880 56.3600 61.9000 61.9000
G1-K0 88.9770 88.9570 32.3570 32.4090
J2-K0 48.6120 48.6120 357.5200 357.5870
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 60876.1693819524
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 88.919
HIERARCH ESO ISS PBL12 END 88.887
HIERARCH ESO ISS PBLA12 START 124.4
HIERARCH ESO ISS PBLA12 END 124.5
HIERARCH ESO ISS PBL13 START 125.36
HIERARCH ESO ISS PBL13 END 125.29
HIERARCH ESO ISS PBLA13 START 100.8
HIERARCH ESO ISS PBLA13 END 100.9
HIERARCH ESO ISS PBL14 START 123.564
HIERARCH ESO ISS PBL14 END 123.491
HIERARCH ESO ISS PBLA14 START 78.342
HIERARCH ESO ISS PBLA14 END 78.407
HIERARCH ESO ISS PBL23 START 56.388
HIERARCH ESO ISS PBL23 END 56.36
HIERARCH ESO ISS PBLA23 START 61.9
HIERARCH ESO ISS PBLA23 END 61.9
HIERARCH ESO ISS PBL24 START 88.977
HIERARCH ESO ISS PBL24 END 88.957
HIERARCH ESO ISS PBLA24 START 32.357
HIERARCH ESO ISS PBLA24 END 32.409
HIERARCH ESO ISS PBL34 START 48.612
HIERARCH ESO ISS PBL34 END 48.612
HIERARCH ESO ISS PBLA34 START 357.52
HIERARCH ESO ISS PBLA34 END 357.587
HIERARCH ESO ISS AMBI TAU0 START 0.002483
HIERARCH ESO ISS AMBI TAU0 END 0.002483
HIERARCH ESO ISS AMBI TEMP 13.54
HIERARCH ESO ISS AMBI FWHM START 1.53
HIERARCH ESO ISS AMBI FWHM END 1.53