Exposure
ID
PIONI.2025-11-03T06:06:36.664_1
Header ID
PIONI.2025-11-03T06:06:36.664
Date updated
2025-11-03 06:16:00 UTC+0000
Release date
2026-11-03 06:16:00 UTC+0000
UTC Start
2025-11-03 06:06:36.664
UTC End
2025-11-03 06:07:02.264
MJD Start
60982.2545910198
MJD End
60982.2548873161
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0029495
Ambient temperature (°C)
10.68
Seeing (arcsec)
0.925
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 89.5530 89.5840 112.7000 112.7000
A0-J2 124.2910 124.3820 90.2000 90.2000
A0-K0 119.6370 119.7460 67.8180 67.8620
G1-J2 53.7930 53.8370 50.7000 50.8000
G1-K0 84.5060 84.5340 19.4530 19.5300
J2-K0 47.6000 47.5930 343.5130 343.5660
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 60982.2545910198
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 89.553
HIERARCH ESO ISS PBL12 END 89.584
HIERARCH ESO ISS PBLA12 START 112.7
HIERARCH ESO ISS PBLA12 END 112.7
HIERARCH ESO ISS PBL13 START 124.291
HIERARCH ESO ISS PBL13 END 124.382
HIERARCH ESO ISS PBLA13 START 90.2
HIERARCH ESO ISS PBLA13 END 90.2
HIERARCH ESO ISS PBL14 START 119.637
HIERARCH ESO ISS PBL14 END 119.746
HIERARCH ESO ISS PBLA14 START 67.818
HIERARCH ESO ISS PBLA14 END 67.862
HIERARCH ESO ISS PBL23 START 53.793
HIERARCH ESO ISS PBL23 END 53.837
HIERARCH ESO ISS PBLA23 START 50.7
HIERARCH ESO ISS PBLA23 END 50.8
HIERARCH ESO ISS PBL24 START 84.506
HIERARCH ESO ISS PBL24 END 84.534
HIERARCH ESO ISS PBLA24 START 19.453
HIERARCH ESO ISS PBLA24 END 19.53
HIERARCH ESO ISS PBL34 START 47.6
HIERARCH ESO ISS PBL34 END 47.593
HIERARCH ESO ISS PBLA34 START 343.513
HIERARCH ESO ISS PBLA34 END 343.566
HIERARCH ESO ISS AMBI TAU0 START 0.003214
HIERARCH ESO ISS AMBI TAU0 END 0.002685
HIERARCH ESO ISS AMBI TEMP 10.68
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 1.01