Exposure
ID
PIONI.2025-11-03T05:55:31.712_1
Header ID
PIONI.2025-11-03T05:55:31.712
Date updated
2025-11-03 06:01:05 UTC+0000
Release date
2026-11-03 06:01:05 UTC+0000
UTC Start
2025-11-03 05:55:31.712
UTC End
2025-11-03 05:55:57.312
MJD Start
60982.2468948169
MJD End
60982.247191113194
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002616
Ambient temperature (°C)
10.54
Seeing (arcsec)
1.045
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 88.8850 88.9260 112.4000 112.4000
A0-J2 122.4520 122.5590 89.8000 89.8000
A0-K0 117.5090 117.6300 66.9660 67.0140
G1-J2 52.9360 52.9840 49.6000 49.6000
G1-K0 83.9980 84.0250 18.0110 18.0900
J2-K0 47.7360 47.7290 342.5540 342.6050
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 60982.2468948169
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 88.885
HIERARCH ESO ISS PBL12 END 88.926
HIERARCH ESO ISS PBLA12 START 112.4
HIERARCH ESO ISS PBLA12 END 112.4
HIERARCH ESO ISS PBL13 START 122.452
HIERARCH ESO ISS PBL13 END 122.559
HIERARCH ESO ISS PBLA13 START 89.8
HIERARCH ESO ISS PBLA13 END 89.8
HIERARCH ESO ISS PBL14 START 117.509
HIERARCH ESO ISS PBL14 END 117.63
HIERARCH ESO ISS PBLA14 START 66.966
HIERARCH ESO ISS PBLA14 END 67.014
HIERARCH ESO ISS PBL23 START 52.936
HIERARCH ESO ISS PBL23 END 52.984
HIERARCH ESO ISS PBLA23 START 49.6
HIERARCH ESO ISS PBLA23 END 49.6
HIERARCH ESO ISS PBL24 START 83.998
HIERARCH ESO ISS PBL24 END 84.025
HIERARCH ESO ISS PBLA24 START 18.011
HIERARCH ESO ISS PBLA24 END 18.09
HIERARCH ESO ISS PBL34 START 47.736
HIERARCH ESO ISS PBL34 END 47.729
HIERARCH ESO ISS PBLA34 START 342.554
HIERARCH ESO ISS PBLA34 END 342.605
HIERARCH ESO ISS AMBI TAU0 START 0.002469
HIERARCH ESO ISS AMBI TAU0 END 0.002763
HIERARCH ESO ISS AMBI TEMP 10.54
HIERARCH ESO ISS AMBI FWHM START 1.12
HIERARCH ESO ISS AMBI FWHM END 0.97