Exposure
ID
GRAVI.2025-05-13T00:03:41.171_1
Header ID
GRAVI.2025-05-13T00:03:41.171
Date updated
2025-05-13 06:41:45 UTC+0000
Release date
2026-05-13 06:41:44 UTC+0000
UTC Start
2025-05-13 00:03:41.171
UTC End
2025-05-13 00:04:45.171
MJD Start
60808.00255985
MJD End
60808.00330059074
Exposure time (s)
64.0
Validation level
1
Tau 0: Coherence time (s)
0.005797999999999999
Ambient temperature (°C)
18.12
Seeing (arcsec)
0.81
Observation
ID
67281
Category
science
Program ID
115.29EJ.001
Program Title
FOLLOW-UP OF A BROWN DWARF CANDIDATE IN THE DISK GAP AROUND HD 100546
Program Type
ToO
PI / COI
BLAKELY / STOLKER / KAMMERER / BENISTY / BERGER / THOMPSON / JOHNSTONE
Target
ID
50022
Name
HD_100546_b
RA
173.361961
DEC
-70.19487
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 44.6010 44.5700 26.4000 26.6000
U1-U3 84.2100 84.1450 33.2000 33.4000
U1-U4 124.4690 124.4040 57.5890 57.8920
U2-U3 40.2640 40.2330 40.7000 40.9000
U2-U4 89.3620 89.3550 72.5740 72.8950
U3-U4 59.1540 59.1940 93.6710 93.9910
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.29EJ.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60808.00255985
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 100546
HIERARCH ESO INS SOBJ NAME HD_100546_b
RA 173.361961
DEC -70.19487
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 86.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 44.601
HIERARCH ESO ISS PBL12 END 44.57
HIERARCH ESO ISS PBLA12 START 26.4
HIERARCH ESO ISS PBLA12 END 26.6
HIERARCH ESO ISS PBL13 START 84.21
HIERARCH ESO ISS PBL13 END 84.145
HIERARCH ESO ISS PBLA13 START 33.2
HIERARCH ESO ISS PBLA13 END 33.4
HIERARCH ESO ISS PBL14 START 124.469
HIERARCH ESO ISS PBL14 END 124.404
HIERARCH ESO ISS PBLA14 START 57.589
HIERARCH ESO ISS PBLA14 END 57.892
HIERARCH ESO ISS PBL23 START 40.264
HIERARCH ESO ISS PBL23 END 40.233
HIERARCH ESO ISS PBLA23 START 40.7
HIERARCH ESO ISS PBLA23 END 40.9
HIERARCH ESO ISS PBL24 START 89.362
HIERARCH ESO ISS PBL24 END 89.355
HIERARCH ESO ISS PBLA24 START 72.574
HIERARCH ESO ISS PBLA24 END 72.895
HIERARCH ESO ISS PBL34 START 59.154
HIERARCH ESO ISS PBL34 END 59.194
HIERARCH ESO ISS PBLA34 START 93.671
HIERARCH ESO ISS PBLA34 END 93.991
HIERARCH ESO ISS AMBI TAU0 START 0.006102
HIERARCH ESO ISS AMBI TAU0 END 0.005494
HIERARCH ESO ISS AMBI TEMP 18.12
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.81
HIERARCH ESO FT ROBJ NAME HD_100546
HIERARCH ESO FT ROBJ ALPHA 113325.440
HIERARCH ESO FT ROBJ DELTA -701141.241