Exposure
ID
PIONI.2025-06-24T07:16:35.474_1
Header ID
PIONI.2025-06-24T07:16:35.474
Date updated
2025-06-24 07:25:42 UTC+0000
Release date
2025-06-24 07:16:35 UTC+0000
UTC Start
2025-06-24 07:16:35.474
UTC End
2025-06-24 07:17:01.074
MJD Start
60850.3031883598
MJD End
60850.3034846561
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003186
Ambient temperature (°C)
11.07
Seeing (arcsec)
0.59
Observation
ID
68228
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
50631
Name
HD 165634
RA
272.019635
DEC
-28.45727
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.6870 24.6830 164.3000 164.4000
A0-D0 26.2590 26.2170 88.2000 88.2000
A0-C1 20.4010 20.3860 139.7080 139.8280
B2-D0 31.4420 31.4240 38.5000 38.5000
B2-C1 10.4750 10.4690 38.4500 38.4790
D0-C1 20.9670 20.9550 218.5100 218.5400
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 60850.3031883598
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 165634
RA 272.019635
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 24.687
HIERARCH ESO ISS PBL12 END 24.683
HIERARCH ESO ISS PBLA12 START 164.3
HIERARCH ESO ISS PBLA12 END 164.4
HIERARCH ESO ISS PBL13 START 26.259
HIERARCH ESO ISS PBL13 END 26.217
HIERARCH ESO ISS PBLA13 START 88.2
HIERARCH ESO ISS PBLA13 END 88.2
HIERARCH ESO ISS PBL14 START 20.401
HIERARCH ESO ISS PBL14 END 20.386
HIERARCH ESO ISS PBLA14 START 139.708
HIERARCH ESO ISS PBLA14 END 139.828
HIERARCH ESO ISS PBL23 START 31.442
HIERARCH ESO ISS PBL23 END 31.424
HIERARCH ESO ISS PBLA23 START 38.5
HIERARCH ESO ISS PBLA23 END 38.5
HIERARCH ESO ISS PBL24 START 10.475
HIERARCH ESO ISS PBL24 END 10.469
HIERARCH ESO ISS PBLA24 START 38.45
HIERARCH ESO ISS PBLA24 END 38.479
HIERARCH ESO ISS PBL34 START 20.967
HIERARCH ESO ISS PBL34 END 20.955
HIERARCH ESO ISS PBLA34 START 218.51
HIERARCH ESO ISS PBLA34 END 218.54
HIERARCH ESO ISS AMBI TAU0 START 0.003186
HIERARCH ESO ISS AMBI TAU0 END 0.003186
HIERARCH ESO ISS AMBI TEMP 11.07
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.59