Exposure
ID
PIONI.2025-11-03T05:56:47.369_1
Header ID
PIONI.2025-11-03T05:56:47.369
Date updated
2025-11-03 06:06:05 UTC+0000
Release date
2026-11-03 06:06:04 UTC+0000
UTC Start
2025-11-03 05:56:47.369
UTC End
2025-11-03 05:57:12.969
MJD Start
60982.2477704766
MJD End
60982.248066772896
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002763
Ambient temperature (°C)
10.52
Seeing (arcsec)
0.97
Observation
ID
71014
Category
science
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
52698
Name
V V1261 Ori
RA
80.576834
DEC
-8.66614
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 88.9700 89.0090 112.4000 112.5000
A0-J2 122.6760 122.7790 89.8000 89.9000
A0-K0 117.7640 117.8800 67.0670 67.1180
G1-J2 53.0370 53.0830 49.7000 49.8000
G1-K0 84.0560 84.0820 18.1780 18.2600
J2-K0 47.7210 47.7140 342.6610 342.7160
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28SN.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60982.2477704766
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V V1261 Ori
RA 80.576834
DEC -8.66614
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 88.97
HIERARCH ESO ISS PBL12 END 89.009
HIERARCH ESO ISS PBLA12 START 112.4
HIERARCH ESO ISS PBLA12 END 112.5
HIERARCH ESO ISS PBL13 START 122.676
HIERARCH ESO ISS PBL13 END 122.779
HIERARCH ESO ISS PBLA13 START 89.8
HIERARCH ESO ISS PBLA13 END 89.9
HIERARCH ESO ISS PBL14 START 117.764
HIERARCH ESO ISS PBL14 END 117.88
HIERARCH ESO ISS PBLA14 START 67.067
HIERARCH ESO ISS PBLA14 END 67.118
HIERARCH ESO ISS PBL23 START 53.037
HIERARCH ESO ISS PBL23 END 53.083
HIERARCH ESO ISS PBLA23 START 49.7
HIERARCH ESO ISS PBLA23 END 49.8
HIERARCH ESO ISS PBL24 START 84.056
HIERARCH ESO ISS PBL24 END 84.082
HIERARCH ESO ISS PBLA24 START 18.178
HIERARCH ESO ISS PBLA24 END 18.26
HIERARCH ESO ISS PBL34 START 47.721
HIERARCH ESO ISS PBL34 END 47.714
HIERARCH ESO ISS PBLA34 START 342.661
HIERARCH ESO ISS PBLA34 END 342.716
HIERARCH ESO ISS AMBI TAU0 START 0.002763
HIERARCH ESO ISS AMBI TAU0 END 0.002763
HIERARCH ESO ISS AMBI TEMP 10.52
HIERARCH ESO ISS AMBI FWHM START 0.97
HIERARCH ESO ISS AMBI FWHM END 0.97