Exposure
ID
PIONI.2024-07-03T02:43:55.814_1
Header ID
PIONI.2024-07-03T02:43:55.814
Date updated
2024-07-03 02:50:41 UTC+0000
Release date
2025-07-03 02:50:41 UTC+0000
UTC Start
2024-07-03 02:43:55.814
UTC End
2024-07-03 02:44:34.214
MJD Start
60494.113840438
MJD End
60494.1142848824
Exposure time (s)
38.4
Validation level
1
Tau 0: Coherence time (s)
0.006589
Ambient temperature (°C)
17.25
Seeing (arcsec)
0.51
Observation
ID
59857
Category
science
Program ID
113.26BT.001
Program Title
MULTIPLICITY OF GALACTIC CEPHEIDS FROM LONG-BASELINE INTERFEROMETRY
Program Type
Normal
PI / COI
GALLENNE / KERVELLA / MÉRAND / PIETRZYNSKI / PROFFITT / EVANS / GIEREN
Target
ID
44412
Name
V636 Sco
RA
260.692057
DEC
-45.61429
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 87.4820 87.5350 108.6000 108.7000
A0-J2 128.2000 128.2390 86.2000 86.4000
A0-K0 127.9670 127.9620 65.9480 66.0900
G1-J2 57.8220 57.8080 51.1000 51.2000
G1-K0 86.9260 86.9020 22.9810 23.0870
J2-K0 45.0980 45.1090 345.8010 345.8890
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26BT.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 60494.113840438
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V636 Sco
RA 260.692057
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 38.4
HIERARCH ESO DET DIT 0.00075
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 87.482
HIERARCH ESO ISS PBL12 END 87.535
HIERARCH ESO ISS PBLA12 START 108.6
HIERARCH ESO ISS PBLA12 END 108.7
HIERARCH ESO ISS PBL13 START 128.2
HIERARCH ESO ISS PBL13 END 128.239
HIERARCH ESO ISS PBLA13 START 86.2
HIERARCH ESO ISS PBLA13 END 86.4
HIERARCH ESO ISS PBL14 START 127.967
HIERARCH ESO ISS PBL14 END 127.962
HIERARCH ESO ISS PBLA14 START 65.948
HIERARCH ESO ISS PBLA14 END 66.09
HIERARCH ESO ISS PBL23 START 57.822
HIERARCH ESO ISS PBL23 END 57.808
HIERARCH ESO ISS PBLA23 START 51.1
HIERARCH ESO ISS PBLA23 END 51.2
HIERARCH ESO ISS PBL24 START 86.926
HIERARCH ESO ISS PBL24 END 86.902
HIERARCH ESO ISS PBLA24 START 22.981
HIERARCH ESO ISS PBLA24 END 23.087
HIERARCH ESO ISS PBL34 START 45.098
HIERARCH ESO ISS PBL34 END 45.109
HIERARCH ESO ISS PBLA34 START 345.801
HIERARCH ESO ISS PBLA34 END 345.889
HIERARCH ESO ISS AMBI TAU0 START 0.006589
HIERARCH ESO ISS AMBI TAU0 END 0.006589
HIERARCH ESO ISS AMBI TEMP 17.25
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.51