Exposure
ID
PIONI.2025-07-17T01:09:20.005_1
Header ID
PIONI.2025-07-17T01:09:20.005
Date updated
2025-07-17 01:16:03 UTC+0000
Release date
2025-07-17 01:09:20 UTC+0000
UTC Start
2025-07-17 01:09:20.005
UTC End
2025-07-17 01:09:45.605
MJD Start
60873.0481482055
MJD End
60873.048444501794
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0048605
Ambient temperature (°C)
13.23
Seeing (arcsec)
0.765
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 80.7910 80.8820 103.6000 103.6000
A0-J2 115.4270 115.5580 77.5000 77.6000
A0-K0 118.2590 118.3500 53.9760 54.0800
G1-J2 55.5920 55.6170 37.9000 38.0000
G1-K0 90.1180 90.1210 10.9420 11.0250
J2-K0 47.7730 47.7800 339.0820 339.1300
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 60873.0481482055
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 80.791
HIERARCH ESO ISS PBL12 END 80.882
HIERARCH ESO ISS PBLA12 START 103.6
HIERARCH ESO ISS PBLA12 END 103.6
HIERARCH ESO ISS PBL13 START 115.427
HIERARCH ESO ISS PBL13 END 115.558
HIERARCH ESO ISS PBLA13 START 77.5
HIERARCH ESO ISS PBLA13 END 77.6
HIERARCH ESO ISS PBL14 START 118.259
HIERARCH ESO ISS PBL14 END 118.35
HIERARCH ESO ISS PBLA14 START 53.976
HIERARCH ESO ISS PBLA14 END 54.08
HIERARCH ESO ISS PBL23 START 55.592
HIERARCH ESO ISS PBL23 END 55.617
HIERARCH ESO ISS PBLA23 START 37.9
HIERARCH ESO ISS PBLA23 END 38.0
HIERARCH ESO ISS PBL24 START 90.118
HIERARCH ESO ISS PBL24 END 90.121
HIERARCH ESO ISS PBLA24 START 10.942
HIERARCH ESO ISS PBLA24 END 11.025
HIERARCH ESO ISS PBL34 START 47.773
HIERARCH ESO ISS PBL34 END 47.78
HIERARCH ESO ISS PBLA34 START 339.082
HIERARCH ESO ISS PBLA34 END 339.13
HIERARCH ESO ISS AMBI TAU0 START 0.004949
HIERARCH ESO ISS AMBI TAU0 END 0.004772
HIERARCH ESO ISS AMBI TEMP 13.23
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.79