Exposure
ID
GRAVI.2023-12-30T03:32:10.620_1
Header ID
GRAVI.2023-12-30T03:32:10.620
Date updated
2023-12-30 03:51:03 UTC+0000
Release date
2024-12-30 03:51:03 UTC+0000
UTC Start
2023-12-30 03:32:10.620
UTC End
2023-12-30 03:38:50.620
MJD Start
60308.14734514
MJD End
60308.1519747696
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0095025
Ambient temperature (°C)
14.18
Seeing (arcsec)
0.55
Observation
ID
58097
Category
science
Program ID
112.25RK.002
Program Title
USING `PROTO-TROJANS' AS WAYMARKERS OF PROTOPLANETS
Program Type
Normal
PI / COI
TEAGUE/ BOURDAROT/ BAE/ FACCHINI/ BENISTY/ LONG
Target
ID
43021
Name
LkCa15
RA
69.826249
DEC
22.35099
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 46.2550 46.8160 37.8000 38.0000
U1-U3 87.5140 88.5460 43.8000 43.9000
U1-U4 127.3690 128.0270 65.8710 65.3330
U2-U3 41.8030 42.2470 50.5000 50.4000
U2-U4 89.2600 89.0710 79.9940 79.3010
U3-U4 56.7180 55.9650 101.2460 100.7240
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.25RK.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60308.14734514
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME LkCa15
HIERARCH ESO INS SOBJ NAME LkCa15
RA 69.826249
DEC 22.35099
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 418.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 46.255
HIERARCH ESO ISS PBL12 END 46.816
HIERARCH ESO ISS PBLA12 START 37.8
HIERARCH ESO ISS PBLA12 END 38.0
HIERARCH ESO ISS PBL13 START 87.514
HIERARCH ESO ISS PBL13 END 88.546
HIERARCH ESO ISS PBLA13 START 43.8
HIERARCH ESO ISS PBLA13 END 43.9
HIERARCH ESO ISS PBL14 START 127.369
HIERARCH ESO ISS PBL14 END 128.027
HIERARCH ESO ISS PBLA14 START 65.871
HIERARCH ESO ISS PBLA14 END 65.333
HIERARCH ESO ISS PBL23 START 41.803
HIERARCH ESO ISS PBL23 END 42.247
HIERARCH ESO ISS PBLA23 START 50.5
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.26
HIERARCH ESO ISS PBL24 END 89.071
HIERARCH ESO ISS PBLA24 START 79.994
HIERARCH ESO ISS PBLA24 END 79.301
HIERARCH ESO ISS PBL34 START 56.718
HIERARCH ESO ISS PBL34 END 55.965
HIERARCH ESO ISS PBLA34 START 101.246
HIERARCH ESO ISS PBLA34 END 100.724
HIERARCH ESO ISS AMBI TAU0 START 0.012702
HIERARCH ESO ISS AMBI TAU0 END 0.006303
HIERARCH ESO ISS AMBI TEMP 14.18
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.63
HIERARCH ESO FT ROBJ NAME LkCa15
HIERARCH ESO FT ROBJ ALPHA 043917.791
HIERARCH ESO FT ROBJ DELTA 222103.390