Exposure
ID
GRAVI.2023-02-11T02:26:39.011_1
Header ID
GRAVI.2023-02-11T02:26:39.011
Date updated
2023-02-11 02:35:50 UTC+0000
Release date
2023-02-11 02:26:39 UTC+0000
UTC Start
2023-02-11 02:26:39.011
UTC End
2023-02-11 02:27:03.011
MJD Start
59986.1018404
MJD End
59986.102118177776
Exposure time (s)
24.0
Validation level
1
Tau 0: Coherence time (s)
0.00934
Ambient temperature (°C)
15.21
Seeing (arcsec)
0.55
Observation
ID
54110
Category
calibrator
Program ID
108.227A.004
Program Title
DEEP EXPLORATION OF THE AB AUR SYSTEM: CONFIRMATION OF A PROTOPLANET
Program Type
Normal
PI / COI
BOCCALETTI/ LACOUR/ MILLI/ MAIRE/ BECK/ PIETU/ TANG/ DI FOLCO/ DUTREY/ GUILLOTEAU/ PANTIN/ HUELAMO
Target
ID
40207
Name
HD282755
RA
74.676742
DEC
29.77036
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 49.6550 49.7060 40.5000 40.5000
U1-U3 94.1760 94.2570 44.2000 44.1000
U1-U4 130.1630 130.1550 57.8160 57.7180
U2-U3 44.7300 44.7590 48.2000 48.1000
U2-U4 84.0480 83.9650 67.9170 67.7990
U3-U4 44.5770 44.4500 87.7170 87.6150
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.227A.004
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 59986.1018404
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 282755
HIERARCH ESO INS SOBJ NAME HD282755
RA 74.676742
DEC 29.77036
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 48.0
HIERARCH ESO DET2 SEQ1 DIT 0.3
HIERARCH ESO DET2 NDIT 80
HIERARCH ESO ISS PBL12 START 49.655
HIERARCH ESO ISS PBL12 END 49.706
HIERARCH ESO ISS PBLA12 START 40.5
HIERARCH ESO ISS PBLA12 END 40.5
HIERARCH ESO ISS PBL13 START 94.176
HIERARCH ESO ISS PBL13 END 94.257
HIERARCH ESO ISS PBLA13 START 44.2
HIERARCH ESO ISS PBLA13 END 44.1
HIERARCH ESO ISS PBL14 START 130.163
HIERARCH ESO ISS PBL14 END 130.155
HIERARCH ESO ISS PBLA14 START 57.816
HIERARCH ESO ISS PBLA14 END 57.718
HIERARCH ESO ISS PBL23 START 44.73
HIERARCH ESO ISS PBL23 END 44.759
HIERARCH ESO ISS PBLA23 START 48.2
HIERARCH ESO ISS PBLA23 END 48.1
HIERARCH ESO ISS PBL24 START 84.048
HIERARCH ESO ISS PBL24 END 83.965
HIERARCH ESO ISS PBLA24 START 67.917
HIERARCH ESO ISS PBLA24 END 67.799
HIERARCH ESO ISS PBL34 START 44.577
HIERARCH ESO ISS PBL34 END 44.45
HIERARCH ESO ISS PBLA34 START 87.717
HIERARCH ESO ISS PBLA34 END 87.615
HIERARCH ESO ISS AMBI TAU0 START 0.009647
HIERARCH ESO ISS AMBI TAU0 END 0.009033
HIERARCH ESO ISS AMBI TEMP 15.21
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.6