Exposure
ID
GRAVI.2023-12-24T04:42:45.673_2
Header ID
GRAVI.2023-12-24T04:42:45.673
Date updated
2023-12-24 04:55:38 UTC+0000
Release date
2024-12-24 04:55:38 UTC+0000
UTC Start
2023-12-24 04:42:45.673
UTC End
2023-12-24 04:48:45.673
MJD Start
60302.19636196
MJD End
60302.2005286267
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.007924
Ambient temperature (°C)
17.62
Seeing (arcsec)
0.625
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 56.2020 56.2860 30.2000 30.7000
U1-U3 102.0780 102.2060 36.4000 36.8000
U1-U4 130.0320 129.8210 63.3570 63.6490
U2-U3 46.5900 46.6240 43.8000 44.2000
U2-U4 88.4560 88.0560 83.6660 83.9760
U3-U4 60.5600 60.1460 113.2030 113.7110
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 60302.19636196
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 56.202
HIERARCH ESO ISS PBL12 END 56.286
HIERARCH ESO ISS PBLA12 START 30.2
HIERARCH ESO ISS PBLA12 END 30.7
HIERARCH ESO ISS PBL13 START 102.078
HIERARCH ESO ISS PBL13 END 102.206
HIERARCH ESO ISS PBLA13 START 36.4
HIERARCH ESO ISS PBLA13 END 36.8
HIERARCH ESO ISS PBL14 START 130.032
HIERARCH ESO ISS PBL14 END 129.821
HIERARCH ESO ISS PBLA14 START 63.357
HIERARCH ESO ISS PBLA14 END 63.649
HIERARCH ESO ISS PBL23 START 46.59
HIERARCH ESO ISS PBL23 END 46.624
HIERARCH ESO ISS PBLA23 START 43.8
HIERARCH ESO ISS PBLA23 END 44.2
HIERARCH ESO ISS PBL24 START 88.456
HIERARCH ESO ISS PBL24 END 88.056
HIERARCH ESO ISS PBLA24 START 83.666
HIERARCH ESO ISS PBLA24 END 83.976
HIERARCH ESO ISS PBL34 START 60.56
HIERARCH ESO ISS PBL34 END 60.146
HIERARCH ESO ISS PBLA34 START 113.203
HIERARCH ESO ISS PBLA34 END 113.711
HIERARCH ESO ISS AMBI TAU0 START 0.007164
HIERARCH ESO ISS AMBI TAU0 END 0.008684
HIERARCH ESO ISS AMBI TEMP 17.62
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.57
HIERARCH ESO FT ROBJ NAME AF_Lep
HIERARCH ESO FT ROBJ ALPHA 052704.763
HIERARCH ESO FT ROBJ DELTA -115403.466