Exposure
ID
PIONI.2025-11-01T06:14:47.656_1
Header ID
PIONI.2025-11-01T06:14:47.656
Date updated
2025-11-01 06:21:07 UTC+0000
Release date
2026-11-01 06:21:07 UTC+0000
UTC Start
2025-11-01 06:14:47.656
UTC End
2025-11-01 06:15:13.256
MJD Start
60980.2602737965
MJD End
60980.260570092796
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.007407
Ambient temperature (°C)
10.07
Seeing (arcsec)
0.28
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 89.5700 89.6010 112.7000 112.7000
A0-J2 124.3400 124.4310 90.2000 90.3000
A0-K0 119.6960 119.8050 67.8410 67.8850
G1-J2 53.8170 53.8610 50.8000 50.8000
G1-K0 84.5220 84.5500 19.4930 19.5700
J2-K0 47.5960 47.5890 343.5410 343.5940
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 60980.2602737965
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 89.57
HIERARCH ESO ISS PBL12 END 89.601
HIERARCH ESO ISS PBLA12 START 112.7
HIERARCH ESO ISS PBLA12 END 112.7
HIERARCH ESO ISS PBL13 START 124.34
HIERARCH ESO ISS PBL13 END 124.431
HIERARCH ESO ISS PBLA13 START 90.2
HIERARCH ESO ISS PBLA13 END 90.3
HIERARCH ESO ISS PBL14 START 119.696
HIERARCH ESO ISS PBL14 END 119.805
HIERARCH ESO ISS PBLA14 START 67.841
HIERARCH ESO ISS PBLA14 END 67.885
HIERARCH ESO ISS PBL23 START 53.817
HIERARCH ESO ISS PBL23 END 53.861
HIERARCH ESO ISS PBLA23 START 50.8
HIERARCH ESO ISS PBLA23 END 50.8
HIERARCH ESO ISS PBL24 START 84.522
HIERARCH ESO ISS PBL24 END 84.55
HIERARCH ESO ISS PBLA24 START 19.493
HIERARCH ESO ISS PBLA24 END 19.57
HIERARCH ESO ISS PBL34 START 47.596
HIERARCH ESO ISS PBL34 END 47.589
HIERARCH ESO ISS PBLA34 START 343.541
HIERARCH ESO ISS PBLA34 END 343.594
HIERARCH ESO ISS AMBI TAU0 START 0.007407
HIERARCH ESO ISS AMBI TAU0 END 0.007407
HIERARCH ESO ISS AMBI TEMP 10.07
HIERARCH ESO ISS AMBI FWHM START 0.28
HIERARCH ESO ISS AMBI FWHM END 0.28