Exposure
ID
PIONI.2025-11-03T06:05:58.923_1
Header ID
PIONI.2025-11-03T06:05:58.923
Date updated
2025-11-03 06:11:16 UTC+0000
Release date
2026-11-03 06:11:16 UTC+0000
UTC Start
2025-11-03 06:05:58.923
UTC End
2025-11-03 06:06:24.523
MJD Start
60982.2541542049
MJD End
60982.2544505012
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003214
Ambient temperature (°C)
10.68
Seeing (arcsec)
0.84
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 89.5200 89.5510 112.7000 112.7000
A0-J2 124.1940 124.2860 90.2000 90.2000
A0-K0 119.5220 119.6310 67.7720 67.8160
G1-J2 53.7450 53.7900 50.7000 50.7000
G1-K0 84.4770 84.5050 19.3730 19.4490
J2-K0 47.6080 47.6010 343.4580 343.5110
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 60982.2541542049
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 89.52
HIERARCH ESO ISS PBL12 END 89.551
HIERARCH ESO ISS PBLA12 START 112.7
HIERARCH ESO ISS PBLA12 END 112.7
HIERARCH ESO ISS PBL13 START 124.194
HIERARCH ESO ISS PBL13 END 124.286
HIERARCH ESO ISS PBLA13 START 90.2
HIERARCH ESO ISS PBLA13 END 90.2
HIERARCH ESO ISS PBL14 START 119.522
HIERARCH ESO ISS PBL14 END 119.631
HIERARCH ESO ISS PBLA14 START 67.772
HIERARCH ESO ISS PBLA14 END 67.816
HIERARCH ESO ISS PBL23 START 53.745
HIERARCH ESO ISS PBL23 END 53.79
HIERARCH ESO ISS PBLA23 START 50.7
HIERARCH ESO ISS PBLA23 END 50.7
HIERARCH ESO ISS PBL24 START 84.477
HIERARCH ESO ISS PBL24 END 84.505
HIERARCH ESO ISS PBLA24 START 19.373
HIERARCH ESO ISS PBLA24 END 19.449
HIERARCH ESO ISS PBL34 START 47.608
HIERARCH ESO ISS PBL34 END 47.601
HIERARCH ESO ISS PBLA34 START 343.458
HIERARCH ESO ISS PBLA34 END 343.511
HIERARCH ESO ISS AMBI TAU0 START 0.003214
HIERARCH ESO ISS AMBI TAU0 END 0.003214
HIERARCH ESO ISS AMBI TEMP 10.68
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.84