Exposure
ID
PIONI.2021-10-12T02:27:13.679_1
Header ID
PIONI.2021-10-12T02:27:13.679
Date updated
2021-10-12 02:36:27 UTC+0000
Release date
2022-10-12 02:36:27 UTC+0000
UTC Start
2021-10-12 02:27:13.679
UTC End
2021-10-12 02:27:39.279
MJD Start
59499.1022416563
MJD End
59499.1025379526
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0042365
Ambient temperature (°C)
15.19
Seeing (arcsec)
0.635
Observation
ID
48252
Category
science
Program ID
105.2047.001
Program Title
CONSTRAINING EFFECTS OF CONVECTION AND PULSATION: ALMA SIO AND VLTI IMAGING OF AGB STARS
Program Type
Normal
PI / COI
WITTKOWSKI/ HUMPHREYS/ CHIAVASSA/ PALADINI/ H\XC3\XB6FNER/ GRAY/ BLADH/ FREYTAG
Target
ID
36188
Name
R Peg
RA
346.663253
DEC
10.54331
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 68.3310 68.3270 271.2000 271.2000
K0-D0 94.3740 94.4170 254.3000 254.3000
K0-J3 48.4190 48.3790 328.0460 328.0940
G2-D0 35.1960 35.2280 219.8000 219.8000
G2-J3 58.2410 58.2930 47.1420 47.1620
D0-J3 93.2570 93.3410 44.3750 44.4000
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 105.2047.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 59499.1022416563
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME R Peg
RA 346.663253
DEC 10.54331
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 68.331
HIERARCH ESO ISS PBL12 END 68.327
HIERARCH ESO ISS PBLA12 START 271.2
HIERARCH ESO ISS PBLA12 END 271.2
HIERARCH ESO ISS PBL13 START 94.374
HIERARCH ESO ISS PBL13 END 94.417
HIERARCH ESO ISS PBLA13 START 254.3
HIERARCH ESO ISS PBLA13 END 254.3
HIERARCH ESO ISS PBL14 START 48.419
HIERARCH ESO ISS PBL14 END 48.379
HIERARCH ESO ISS PBLA14 START 328.046
HIERARCH ESO ISS PBLA14 END 328.094
HIERARCH ESO ISS PBL23 START 35.196
HIERARCH ESO ISS PBL23 END 35.228
HIERARCH ESO ISS PBLA23 START 219.8
HIERARCH ESO ISS PBLA23 END 219.8
HIERARCH ESO ISS PBL24 START 58.241
HIERARCH ESO ISS PBL24 END 58.293
HIERARCH ESO ISS PBLA24 START 47.142
HIERARCH ESO ISS PBLA24 END 47.162
HIERARCH ESO ISS PBL34 START 93.257
HIERARCH ESO ISS PBL34 END 93.341
HIERARCH ESO ISS PBLA34 START 44.375
HIERARCH ESO ISS PBLA34 END 44.4
HIERARCH ESO ISS AMBI TAU0 START 0.004498
HIERARCH ESO ISS AMBI TAU0 END 0.003975
HIERARCH ESO ISS AMBI TEMP 15.19
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.63