Exposure
ID
PIONI.2025-10-27T06:38:59.504_1
Header ID
PIONI.2025-10-27T06:38:59.504
Date updated
2025-10-27 06:45:38 UTC+0000
Release date
2026-10-27 06:45:38 UTC+0000
UTC Start
2025-10-27 06:38:59.504
UTC End
2025-10-27 06:39:25.104
MJD Start
60975.2770775906
MJD End
60975.2773738869
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003474
Ambient temperature (°C)
12.54
Seeing (arcsec)
0.88
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 89.7900 89.8170 112.8000 112.8000
A0-J2 125.0070 125.0910 90.4000 90.4000
A0-K0 120.4990 120.6020 68.1660 68.2090
G1-J2 54.1490 54.1920 51.2000 51.3000
G1-K0 84.7330 84.7620 20.0630 20.1380
J2-K0 47.5400 47.5330 343.9420 343.9960
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 60975.2770775906
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 89.79
HIERARCH ESO ISS PBL12 END 89.817
HIERARCH ESO ISS PBLA12 START 112.8
HIERARCH ESO ISS PBLA12 END 112.8
HIERARCH ESO ISS PBL13 START 125.007
HIERARCH ESO ISS PBL13 END 125.091
HIERARCH ESO ISS PBLA13 START 90.4
HIERARCH ESO ISS PBLA13 END 90.4
HIERARCH ESO ISS PBL14 START 120.499
HIERARCH ESO ISS PBL14 END 120.602
HIERARCH ESO ISS PBLA14 START 68.166
HIERARCH ESO ISS PBLA14 END 68.209
HIERARCH ESO ISS PBL23 START 54.149
HIERARCH ESO ISS PBL23 END 54.192
HIERARCH ESO ISS PBLA23 START 51.2
HIERARCH ESO ISS PBLA23 END 51.3
HIERARCH ESO ISS PBL24 START 84.733
HIERARCH ESO ISS PBL24 END 84.762
HIERARCH ESO ISS PBLA24 START 20.063
HIERARCH ESO ISS PBLA24 END 20.138
HIERARCH ESO ISS PBL34 START 47.54
HIERARCH ESO ISS PBL34 END 47.533
HIERARCH ESO ISS PBLA34 START 343.942
HIERARCH ESO ISS PBLA34 END 343.996
HIERARCH ESO ISS AMBI TAU0 START 0.003474
HIERARCH ESO ISS AMBI TAU0 END 0.003474
HIERARCH ESO ISS AMBI TEMP 12.54
HIERARCH ESO ISS AMBI FWHM START 0.88
HIERARCH ESO ISS AMBI FWHM END 0.88