Exposure
ID
PIONI.2025-11-03T06:07:52.334_1
Header ID
PIONI.2025-11-03T06:07:52.334
Date updated
2025-11-03 06:16:00 UTC+0000
Release date
2026-11-03 06:16:00 UTC+0000
UTC Start
2025-11-03 06:07:52.334
UTC End
2025-11-03 06:08:17.934
MJD Start
60982.2554668309
MJD End
60982.2557631272
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002139
Ambient temperature (°C)
10.68
Seeing (arcsec)
1.3
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 89.6180 89.6470 112.7000 112.7000
A0-J2 124.4830 124.5700 90.3000 90.3000
A0-K0 119.8660 119.9710 67.9110 67.9460
G1-J2 53.8870 53.9300 50.9000 50.9000
G1-K0 84.5660 84.5930 19.6140 19.6810
J2-K0 47.5850 47.5780 343.6250 343.6700
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 60982.2554668309
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 89.618
HIERARCH ESO ISS PBL12 END 89.647
HIERARCH ESO ISS PBLA12 START 112.7
HIERARCH ESO ISS PBLA12 END 112.7
HIERARCH ESO ISS PBL13 START 124.483
HIERARCH ESO ISS PBL13 END 124.57
HIERARCH ESO ISS PBLA13 START 90.3
HIERARCH ESO ISS PBLA13 END 90.3
HIERARCH ESO ISS PBL14 START 119.866
HIERARCH ESO ISS PBL14 END 119.971
HIERARCH ESO ISS PBLA14 START 67.911
HIERARCH ESO ISS PBLA14 END 67.946
HIERARCH ESO ISS PBL23 START 53.887
HIERARCH ESO ISS PBL23 END 53.93
HIERARCH ESO ISS PBLA23 START 50.9
HIERARCH ESO ISS PBLA23 END 50.9
HIERARCH ESO ISS PBL24 START 84.566
HIERARCH ESO ISS PBL24 END 84.593
HIERARCH ESO ISS PBLA24 START 19.614
HIERARCH ESO ISS PBLA24 END 19.681
HIERARCH ESO ISS PBL34 START 47.585
HIERARCH ESO ISS PBL34 END 47.578
HIERARCH ESO ISS PBLA34 START 343.625
HIERARCH ESO ISS PBLA34 END 343.67
HIERARCH ESO ISS AMBI TAU0 START 0.002139
HIERARCH ESO ISS AMBI TAU0 END 0.002139
HIERARCH ESO ISS AMBI TEMP 10.68
HIERARCH ESO ISS AMBI FWHM START 1.3
HIERARCH ESO ISS AMBI FWHM END 1.3