Exposure
ID
PIONI.2021-08-16T23:58:21.806_1
Header ID
PIONI.2021-08-16T23:58:21.806
Date updated
2021-08-17 00:07:59 UTC+0000
Release date
2022-08-17 00:07:58 UTC+0000
UTC Start
2021-08-16 23:58:21.806
UTC End
2021-08-16 23:59:00.206
MJD Start
59442.9988634912
MJD End
59442.9993079356
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006196
Ambient temperature (°C)
13.79
Seeing (arcsec)
0.655
Observation
ID
47846
Category
science
Program ID
105.207E.001
Program Title
MULTIPLICITY OF GALACTIC CEPHEIDS FROM LONG-BASELINE INTERFEROMETRY
Program Type
Normal
PI / COI
GALLENNE/ KERVELLA/ MERAND/ EVANS/ PROFFITT/ PIETRZYNSKI/ GIEREN
Target
ID
35121
Name
S_Nor
RA
244.714892
DEC
-57.8998
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.3040 89.3270 119.9000 120.0000
A0-J2 128.9920 128.9780 100.5000 100.7000
A0-J3 118.4250 118.3310 57.9060 58.0470
G1-J2 53.6450 53.6060 67.0000 67.2000
G1-J3 109.8200 109.7910 12.0350 12.1350
J2-J3 90.4380 90.4660 342.9650 343.0770
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 105.207E.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 59442.9988634912
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME S_Nor
RA 244.714892
DEC -57.8998
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 J3
EXPTIME 38.4
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 89.304
HIERARCH ESO ISS PBL12 END 89.327
HIERARCH ESO ISS PBLA12 START 119.9
HIERARCH ESO ISS PBLA12 END 120.0
HIERARCH ESO ISS PBL13 START 128.992
HIERARCH ESO ISS PBL13 END 128.978
HIERARCH ESO ISS PBLA13 START 100.5
HIERARCH ESO ISS PBLA13 END 100.7
HIERARCH ESO ISS PBL14 START 118.425
HIERARCH ESO ISS PBL14 END 118.331
HIERARCH ESO ISS PBLA14 START 57.906
HIERARCH ESO ISS PBLA14 END 58.047
HIERARCH ESO ISS PBL23 START 53.645
HIERARCH ESO ISS PBL23 END 53.606
HIERARCH ESO ISS PBLA23 START 67.0
HIERARCH ESO ISS PBLA23 END 67.2
HIERARCH ESO ISS PBL24 START 109.82
HIERARCH ESO ISS PBL24 END 109.791
HIERARCH ESO ISS PBLA24 START 12.035
HIERARCH ESO ISS PBLA24 END 12.135
HIERARCH ESO ISS PBL34 START 90.438
HIERARCH ESO ISS PBL34 END 90.466
HIERARCH ESO ISS PBLA34 START 342.965
HIERARCH ESO ISS PBLA34 END 343.077
HIERARCH ESO ISS AMBI TAU0 START 0.006185
HIERARCH ESO ISS AMBI TAU0 END 0.006207
HIERARCH ESO ISS AMBI TEMP 13.79
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.68