Exposure
ID
GRAVI.2023-12-24T04:17:21.609_2
Header ID
GRAVI.2023-12-24T04:17:21.609
Date updated
2023-12-24 04:35:39 UTC+0000
Release date
2024-12-24 04:35:39 UTC+0000
UTC Start
2023-12-24 04:17:21.609
UTC End
2023-12-24 04:23:21.609
MJD Start
60302.17872233
MJD End
60302.1828889967
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.007813
Ambient temperature (°C)
17.66
Seeing (arcsec)
0.54
Observation
ID
58057
Category
science
Program ID
112.25GE.003
Program Title
INVESTIGATING THE 25 MYR L-T TRANSITION WITH VLTI/GRAVITY OBSERVATIONS OF THE NEW PLANET AF LEP B
Program Type
Normal
PI / COI
BALMER/ PUEYO/ LACOUR/ DE ROSA/ FRANSON/ LAGRANGE/ CHAUVIN/ BONNEFOY/ NOWAK/ MOLLIERE/ NASEDKIN/ WANG/ RICKMAN/ STOLKER/ VIGAN/ BOWLER/ HENNING/ VAN DISHOECK/ POURRÉ/ WINTERHALDER/ BOURDAROT/ BRANDNER
Target
ID
42596
Name
AF_Lep
RA
81.7698458333333
DEC
-11.9009627777778
Instrument
Interferometer
VLTI
Instrument
GRAVITY_FT
Instrument mode
LOW
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 55.7850 55.9040 28.2000 28.7000
U1-U3 101.3370 101.5630 34.5000 35.0000
U1-U4 130.0820 130.1850 62.0540 62.4150
U2-U3 46.3010 46.3980 42.1000 42.6000
U2-U4 89.3580 89.2250 82.4230 82.7490
U3-U4 61.7940 61.5340 111.4150 111.8480
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.25GE.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60302.17872233
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME AF Lep
HIERARCH ESO INS SOBJ NAME AF_Lep
RA 81.771642
DEC -11.90121
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 388.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 55.785
HIERARCH ESO ISS PBL12 END 55.904
HIERARCH ESO ISS PBLA12 START 28.2
HIERARCH ESO ISS PBLA12 END 28.7
HIERARCH ESO ISS PBL13 START 101.337
HIERARCH ESO ISS PBL13 END 101.563
HIERARCH ESO ISS PBLA13 START 34.5
HIERARCH ESO ISS PBLA13 END 35.0
HIERARCH ESO ISS PBL14 START 130.082
HIERARCH ESO ISS PBL14 END 130.185
HIERARCH ESO ISS PBLA14 START 62.054
HIERARCH ESO ISS PBLA14 END 62.415
HIERARCH ESO ISS PBL23 START 46.301
HIERARCH ESO ISS PBL23 END 46.398
HIERARCH ESO ISS PBLA23 START 42.1
HIERARCH ESO ISS PBLA23 END 42.6
HIERARCH ESO ISS PBL24 START 89.358
HIERARCH ESO ISS PBL24 END 89.225
HIERARCH ESO ISS PBLA24 START 82.423
HIERARCH ESO ISS PBLA24 END 82.749
HIERARCH ESO ISS PBL34 START 61.794
HIERARCH ESO ISS PBL34 END 61.534
HIERARCH ESO ISS PBLA34 START 111.415
HIERARCH ESO ISS PBLA34 END 111.848
HIERARCH ESO ISS AMBI TAU0 START 0.008927
HIERARCH ESO ISS AMBI TAU0 END 0.006699
HIERARCH ESO ISS AMBI TEMP 17.66
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.67
HIERARCH ESO FT ROBJ NAME AF_Lep
HIERARCH ESO FT ROBJ ALPHA 052704.763
HIERARCH ESO FT ROBJ DELTA -115403.466