Exposure
ID
GRAVI.2023-07-23T00:47:30.492_1
Header ID
GRAVI.2023-07-23T00:47:30.492
Date updated
2023-07-23 01:00:15 UTC+0000
Release date
2024-07-23 01:00:15 UTC+0000
UTC Start
2023-07-23 00:47:30.492
UTC End
2023-07-23 00:52:30.492
MJD Start
60148.03299181
MJD End
60148.03646403222
Exposure time (s)
300.0
Validation level
1
Tau 0: Coherence time (s)
0.004546
Ambient temperature (°C)
16.09
Seeing (arcsec)
0.7849999999999999
Observation
ID
56378
Category
science
Program ID
111.24J7.001
Program Title
VLTI/GRAVITY HUNT FOR CIRCUMBINARY EXOPLANETARY SYSTEMS
Program Type
GTO
PI / COI
CHAUVIN/ JANSON/ BERGER/ BENISTY/ BONNEFOY/ LAGRANGE/ ROUSSELET-PERRAUT/ LE BOUQUIN/ DELORME/ MILLI/ GALLENNE/ BOURDAROT/ GRATTON/ MÉRAND/ REFFERT/ DESIDERA/ VIGAN/ DESGRANGE/ SQUICCIARINI/ MEYER
Target
ID
41775
Name
b_Cen
RA
220.486947
DEC
-37.79366
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.5480 89.3510 128.7000 129.6000
A0-J2 124.3750 123.7360 106.2000 107.1000
A0-K0 119.8500 119.0070 83.7710 84.5500
G1-J2 53.9290 53.5480 66.7000 67.4000
G1-K0 84.7330 84.3870 35.5250 36.0200
J2-K0 47.6560 47.6560 359.6310 0.2360
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24J7.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60148.03299181
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME b Cen
HIERARCH ESO INS SOBJ NAME b_Cen
RA 220.486947
DEC -37.79366
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
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 318.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 30
HIERARCH ESO ISS PBL12 START 89.548
HIERARCH ESO ISS PBL12 END 89.351
HIERARCH ESO ISS PBLA12 START 128.7
HIERARCH ESO ISS PBLA12 END 129.6
HIERARCH ESO ISS PBL13 START 124.375
HIERARCH ESO ISS PBL13 END 123.736
HIERARCH ESO ISS PBLA13 START 106.2
HIERARCH ESO ISS PBLA13 END 107.1
HIERARCH ESO ISS PBL14 START 119.85
HIERARCH ESO ISS PBL14 END 119.007
HIERARCH ESO ISS PBLA14 START 83.771
HIERARCH ESO ISS PBLA14 END 84.55
HIERARCH ESO ISS PBL23 START 53.929
HIERARCH ESO ISS PBL23 END 53.548
HIERARCH ESO ISS PBLA23 START 66.7
HIERARCH ESO ISS PBLA23 END 67.4
HIERARCH ESO ISS PBL24 START 84.733
HIERARCH ESO ISS PBL24 END 84.387
HIERARCH ESO ISS PBLA24 START 35.525
HIERARCH ESO ISS PBLA24 END 36.02
HIERARCH ESO ISS PBL34 START 47.656
HIERARCH ESO ISS PBL34 END 47.656
HIERARCH ESO ISS PBLA34 START 359.631
HIERARCH ESO ISS PBLA34 END 0.236
HIERARCH ESO ISS AMBI TAU0 START 0.005028
HIERARCH ESO ISS AMBI TAU0 END 0.004064
HIERARCH ESO ISS AMBI TEMP 16.09
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.88