Exposure
ID
PIONI.2025-06-22T07:09:22.046_1
Header ID
PIONI.2025-06-22T07:09:22.046
Date updated
2025-06-22 07:15:43 UTC+0000
Release date
2025-06-22 07:09:22 UTC+0000
UTC Start
2025-06-22 07:09:22.046
UTC End
2025-06-22 07:09:47.646
MJD Start
60848.2981718285
MJD End
60848.2984681248
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002555
Ambient temperature (°C)
11.04
Seeing (arcsec)
0.51
Observation
ID
68193
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
50692
Name
HD 165634
RA
272.020898
DEC
-28.45727
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 59.0640 58.9900 290.4000 290.5000
K0-D0 81.8020 81.6870 266.4000 266.5000
K0-J3 56.2090 56.2070 350.8470 350.9330
G2-D0 36.7300 36.7040 225.7000 225.7000
G2-J3 58.0790 58.0280 53.0600 53.0940
D0-J3 94.6240 94.5460 50.2090 50.2410
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 60848.2981718285
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 165634
RA 272.020898
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 59.064
HIERARCH ESO ISS PBL12 END 58.99
HIERARCH ESO ISS PBLA12 START 290.4
HIERARCH ESO ISS PBLA12 END 290.5
HIERARCH ESO ISS PBL13 START 81.802
HIERARCH ESO ISS PBL13 END 81.687
HIERARCH ESO ISS PBLA13 START 266.4
HIERARCH ESO ISS PBLA13 END 266.5
HIERARCH ESO ISS PBL14 START 56.209
HIERARCH ESO ISS PBL14 END 56.207
HIERARCH ESO ISS PBLA14 START 350.847
HIERARCH ESO ISS PBLA14 END 350.933
HIERARCH ESO ISS PBL23 START 36.73
HIERARCH ESO ISS PBL23 END 36.704
HIERARCH ESO ISS PBLA23 START 225.7
HIERARCH ESO ISS PBLA23 END 225.7
HIERARCH ESO ISS PBL24 START 58.079
HIERARCH ESO ISS PBL24 END 58.028
HIERARCH ESO ISS PBLA24 START 53.06
HIERARCH ESO ISS PBLA24 END 53.094
HIERARCH ESO ISS PBL34 START 94.624
HIERARCH ESO ISS PBL34 END 94.546
HIERARCH ESO ISS PBLA34 START 50.209
HIERARCH ESO ISS PBLA34 END 50.241
HIERARCH ESO ISS AMBI TAU0 START 0.002555
HIERARCH ESO ISS AMBI TAU0 END 0.002555
HIERARCH ESO ISS AMBI TEMP 11.04
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.51