Exposure
ID
PIONI.2025-11-01T06:17:18.551_1
Header ID
PIONI.2025-11-01T06:17:18.551
Date updated
2025-11-01 06:25:39 UTC+0000
Release date
2026-11-01 06:25:39 UTC+0000
UTC Start
2025-11-01 06:17:18.551
UTC End
2025-11-01 06:17:44.151
MJD Start
60980.2620202671
MJD End
60980.2623165634
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.007712500000000001
Ambient temperature (°C)
10.05
Seeing (arcsec)
0.31
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 89.6960 89.7250 112.7000 112.7000
A0-J2 124.7170 124.8040 90.3000 90.3000
A0-K0 120.1470 120.2530 68.0200 68.0630
G1-J2 54.0030 54.0470 51.0000 51.1000
G1-K0 84.6390 84.6680 19.8080 19.8840
J2-K0 47.5650 47.5580 343.7600 343.8130
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 60980.2620202671
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 89.696
HIERARCH ESO ISS PBL12 END 89.725
HIERARCH ESO ISS PBLA12 START 112.7
HIERARCH ESO ISS PBLA12 END 112.7
HIERARCH ESO ISS PBL13 START 124.717
HIERARCH ESO ISS PBL13 END 124.804
HIERARCH ESO ISS PBLA13 START 90.3
HIERARCH ESO ISS PBLA13 END 90.3
HIERARCH ESO ISS PBL14 START 120.147
HIERARCH ESO ISS PBL14 END 120.253
HIERARCH ESO ISS PBLA14 START 68.02
HIERARCH ESO ISS PBLA14 END 68.063
HIERARCH ESO ISS PBL23 START 54.003
HIERARCH ESO ISS PBL23 END 54.047
HIERARCH ESO ISS PBLA23 START 51.0
HIERARCH ESO ISS PBLA23 END 51.1
HIERARCH ESO ISS PBL24 START 84.639
HIERARCH ESO ISS PBL24 END 84.668
HIERARCH ESO ISS PBLA24 START 19.808
HIERARCH ESO ISS PBLA24 END 19.884
HIERARCH ESO ISS PBL34 START 47.565
HIERARCH ESO ISS PBL34 END 47.558
HIERARCH ESO ISS PBLA34 START 343.76
HIERARCH ESO ISS PBLA34 END 343.813
HIERARCH ESO ISS AMBI TAU0 START 0.007458
HIERARCH ESO ISS AMBI TAU0 END 0.007967
HIERARCH ESO ISS AMBI TEMP 10.05
HIERARCH ESO ISS AMBI FWHM START 0.3
HIERARCH ESO ISS AMBI FWHM END 0.32