Exposure
ID
PIONI.2025-11-03T05:48:30.804_1
Header ID
PIONI.2025-11-03T05:48:30.804
Date updated
2025-11-03 05:55:59 UTC+0000
Release date
2025-11-03 05:48:30 UTC+0000
UTC Start
2025-11-03 05:48:30.804
UTC End
2025-11-03 05:48:56.404
MJD Start
60982.2420231933
MJD End
60982.2423194896
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0026449999999999998
Ambient temperature (°C)
10.57
Seeing (arcsec)
1.01
Observation
ID
71013
Category
calibrator
Program ID
116.28SN.001
Program Title
DO WINDS AND PULSATIONS ALTER RED GIANTS' ROCHE LOBES? THE UNIQUE TEST CASE OF THE SYMBIOTIC BINARY V1261 ORI
Program Type
Normal
PI / COI
MERC / BOFFIN
Target
ID
52697
Name
HD 35642
RA
81.461628
DEC
-10.28333
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 87.8620 87.9140 111.9000 111.9000
A0-J2 120.4650 120.5860 88.8000 88.8000
A0-K0 115.9270 116.0540 65.3990 65.4550
G1-J2 52.5550 52.6030 47.8000 47.8000
G1-K0 84.4460 84.4700 16.4180 16.4990
J2-K0 48.0790 48.0730 341.7780 341.8270
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28SN.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60982.2420231933
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 35642
RA 81.461628
DEC -10.28333
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 87.862
HIERARCH ESO ISS PBL12 END 87.914
HIERARCH ESO ISS PBLA12 START 111.9
HIERARCH ESO ISS PBLA12 END 111.9
HIERARCH ESO ISS PBL13 START 120.465
HIERARCH ESO ISS PBL13 END 120.586
HIERARCH ESO ISS PBLA13 START 88.8
HIERARCH ESO ISS PBLA13 END 88.8
HIERARCH ESO ISS PBL14 START 115.927
HIERARCH ESO ISS PBL14 END 116.054
HIERARCH ESO ISS PBLA14 START 65.399
HIERARCH ESO ISS PBLA14 END 65.455
HIERARCH ESO ISS PBL23 START 52.555
HIERARCH ESO ISS PBL23 END 52.603
HIERARCH ESO ISS PBLA23 START 47.8
HIERARCH ESO ISS PBLA23 END 47.8
HIERARCH ESO ISS PBL24 START 84.446
HIERARCH ESO ISS PBL24 END 84.47
HIERARCH ESO ISS PBLA24 START 16.418
HIERARCH ESO ISS PBLA24 END 16.499
HIERARCH ESO ISS PBL34 START 48.079
HIERARCH ESO ISS PBL34 END 48.073
HIERARCH ESO ISS PBLA34 START 341.778
HIERARCH ESO ISS PBLA34 END 341.827
HIERARCH ESO ISS AMBI TAU0 START 0.002625
HIERARCH ESO ISS AMBI TAU0 END 0.002665
HIERARCH ESO ISS AMBI TEMP 10.57
HIERARCH ESO ISS AMBI FWHM START 1.0
HIERARCH ESO ISS AMBI FWHM END 1.02