Exposure
ID
PIONI.2025-11-01T06:05:11.954_1
Header ID
PIONI.2025-11-01T06:05:11.954
Date updated
2025-11-01 06:10:51 UTC+0000
Release date
2026-11-01 06:10:51 UTC+0000
UTC Start
2025-11-01 06:05:11.954
UTC End
2025-11-01 06:05:37.554
MJD Start
60980.2536105844
MJD End
60980.253906880695
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0068895
Ambient temperature (°C)
10.16
Seeing (arcsec)
0.29000000000000004
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 89.0060 89.0450 112.5000 112.5000
A0-J2 122.7710 122.8750 89.9000 89.9000
A0-K0 117.8720 117.9900 67.1140 67.1610
G1-J2 53.0800 53.1270 49.8000 49.8000
G1-K0 84.0800 84.1080 18.2540 18.3320
J2-K0 47.7140 47.7070 342.7120 342.7630
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 60980.2536105844
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 89.006
HIERARCH ESO ISS PBL12 END 89.045
HIERARCH ESO ISS PBLA12 START 112.5
HIERARCH ESO ISS PBLA12 END 112.5
HIERARCH ESO ISS PBL13 START 122.771
HIERARCH ESO ISS PBL13 END 122.875
HIERARCH ESO ISS PBLA13 START 89.9
HIERARCH ESO ISS PBLA13 END 89.9
HIERARCH ESO ISS PBL14 START 117.872
HIERARCH ESO ISS PBL14 END 117.99
HIERARCH ESO ISS PBLA14 START 67.114
HIERARCH ESO ISS PBLA14 END 67.161
HIERARCH ESO ISS PBL23 START 53.08
HIERARCH ESO ISS PBL23 END 53.127
HIERARCH ESO ISS PBLA23 START 49.8
HIERARCH ESO ISS PBLA23 END 49.8
HIERARCH ESO ISS PBL24 START 84.08
HIERARCH ESO ISS PBL24 END 84.108
HIERARCH ESO ISS PBLA24 START 18.254
HIERARCH ESO ISS PBLA24 END 18.332
HIERARCH ESO ISS PBL34 START 47.714
HIERARCH ESO ISS PBL34 END 47.707
HIERARCH ESO ISS PBLA34 START 342.712
HIERARCH ESO ISS PBLA34 END 342.763
HIERARCH ESO ISS AMBI TAU0 START 0.007039
HIERARCH ESO ISS AMBI TAU0 END 0.00674
HIERARCH ESO ISS AMBI TEMP 10.16
HIERARCH ESO ISS AMBI FWHM START 0.27
HIERARCH ESO ISS AMBI FWHM END 0.31