Exposure
ID
PIONI.2024-07-14T23:50:49.331_1
Header ID
PIONI.2024-07-14T23:50:49.331
Date updated
2024-07-14 23:55:42 UTC+0000
Release date
2025-07-14 23:55:42 UTC+0000
UTC Start
2024-07-14 23:50:49.331
UTC End
2024-07-14 23:51:27.731
MJD Start
60505.9936265191
MJD End
60505.9940709635
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.0018235
Ambient temperature (°C)
11.94
Seeing (arcsec)
0.825
Observation
ID
60074
Category
science
Program ID
113.26BT.002
Program Title
MULTIPLICITY OF GALACTIC CEPHEIDS FROM LONG-BASELINE INTERFEROMETRY
Program Type
Normal
PI / COI
GALLENNE / KERVELLA / MÉRAND / PIETRZYNSKI / PROFFITT / EVANS / GIEREN
Target
ID
44586
Name
V636 Sco
RA
260.692855
DEC
-45.61429
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 39.1830 39.2370 131.8000 131.9000
A0-J2 113.7520 113.8860 61.4000 61.6000
A0-J6 166.7430 166.7360 5.2790 5.3990
B5-J2 107.1720 107.2250 41.2000 41.4000
B5-J6 192.6560 192.6670 355.8750 355.9760
J2-J6 139.9820 140.1220 322.8590 322.9290
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26BT.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60505.9936265191
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V636 Sco
RA 260.692855
DEC -45.61429
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 38.4
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 39.183
HIERARCH ESO ISS PBL12 END 39.237
HIERARCH ESO ISS PBLA12 START 131.8
HIERARCH ESO ISS PBLA12 END 131.9
HIERARCH ESO ISS PBL13 START 113.752
HIERARCH ESO ISS PBL13 END 113.886
HIERARCH ESO ISS PBLA13 START 61.4
HIERARCH ESO ISS PBLA13 END 61.6
HIERARCH ESO ISS PBL14 START 166.743
HIERARCH ESO ISS PBL14 END 166.736
HIERARCH ESO ISS PBLA14 START 5.279
HIERARCH ESO ISS PBLA14 END 5.399
HIERARCH ESO ISS PBL23 START 107.172
HIERARCH ESO ISS PBL23 END 107.225
HIERARCH ESO ISS PBLA23 START 41.2
HIERARCH ESO ISS PBLA23 END 41.4
HIERARCH ESO ISS PBL24 START 192.656
HIERARCH ESO ISS PBL24 END 192.667
HIERARCH ESO ISS PBLA24 START 355.875
HIERARCH ESO ISS PBLA24 END 355.976
HIERARCH ESO ISS PBL34 START 139.982
HIERARCH ESO ISS PBL34 END 140.122
HIERARCH ESO ISS PBLA34 START 322.859
HIERARCH ESO ISS PBLA34 END 322.929
HIERARCH ESO ISS AMBI TAU0 START 0.0019
HIERARCH ESO ISS AMBI TAU0 END 0.001747
HIERARCH ESO ISS AMBI TEMP 11.94
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.82