Exposure
ID
PIONI.2025-10-27T06:50:32.950_1
Header ID
PIONI.2025-10-27T06:50:32.950
Date updated
2025-10-27 06:55:55 UTC+0000
Release date
2026-10-27 06:55:55 UTC+0000
UTC Start
2025-10-27 06:50:32.950
UTC End
2025-10-27 06:50:58.550
MJD Start
60975.2851035874
MJD End
60975.285399883694
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002304
Ambient temperature (°C)
12.39
Seeing (arcsec)
1.19
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 90.2190 90.2360 113.1000 113.1000
A0-J2 126.4900 126.5580 90.8000 90.9000
A0-K0 122.3750 122.4660 68.9500 68.9910
G1-J2 54.9480 54.9880 52.3000 52.4000
G1-K0 85.2830 85.3120 21.4770 21.5510
J2-K0 47.3980 47.3900 344.9970 345.0560
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 60975.2851035874
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 90.219
HIERARCH ESO ISS PBL12 END 90.236
HIERARCH ESO ISS PBLA12 START 113.1
HIERARCH ESO ISS PBLA12 END 113.1
HIERARCH ESO ISS PBL13 START 126.49
HIERARCH ESO ISS PBL13 END 126.558
HIERARCH ESO ISS PBLA13 START 90.8
HIERARCH ESO ISS PBLA13 END 90.9
HIERARCH ESO ISS PBL14 START 122.375
HIERARCH ESO ISS PBL14 END 122.466
HIERARCH ESO ISS PBLA14 START 68.95
HIERARCH ESO ISS PBLA14 END 68.991
HIERARCH ESO ISS PBL23 START 54.948
HIERARCH ESO ISS PBL23 END 54.988
HIERARCH ESO ISS PBLA23 START 52.3
HIERARCH ESO ISS PBLA23 END 52.4
HIERARCH ESO ISS PBL24 START 85.283
HIERARCH ESO ISS PBL24 END 85.312
HIERARCH ESO ISS PBLA24 START 21.477
HIERARCH ESO ISS PBLA24 END 21.551
HIERARCH ESO ISS PBL34 START 47.398
HIERARCH ESO ISS PBL34 END 47.39
HIERARCH ESO ISS PBLA34 START 344.997
HIERARCH ESO ISS PBLA34 END 345.056
HIERARCH ESO ISS AMBI TAU0 START 0.002304
HIERARCH ESO ISS AMBI TAU0 END 0.002304
HIERARCH ESO ISS AMBI TEMP 12.39
HIERARCH ESO ISS AMBI FWHM START 1.19
HIERARCH ESO ISS AMBI FWHM END 1.19