Exposure
ID
GRAVI.2025-05-13T00:31:26.242_1
Header ID
GRAVI.2025-05-13T00:31:26.242
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 00:31:26.242
UTC End
2025-05-13 00:36:46.242
MJD Start
60808.0218315
MJD End
60808.025535203706
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.0065615
Ambient temperature (°C)
17.81
Seeing (arcsec)
0.78
Observation
ID
67286
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
50027
Name
HD_100546_b
RA
173.362069
DEC
-70.19495
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 43.9080 43.7520 31.3000 32.3000
U1-U3 82.7960 82.4810 38.3000 39.4000
U1-U4 123.0310 122.7090 63.7570 65.0140
U2-U3 39.5880 39.4390 46.2000 47.3000
U2-U4 89.1560 89.0960 79.0830 80.4050
U3-U4 59.9190 60.0610 100.1240 101.4270
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 60808.0218315
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 100546
HIERARCH ESO INS SOBJ NAME HD_100546_b
RA 173.362069
DEC -70.19495
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 339.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 43.908
HIERARCH ESO ISS PBL12 END 43.752
HIERARCH ESO ISS PBLA12 START 31.3
HIERARCH ESO ISS PBLA12 END 32.3
HIERARCH ESO ISS PBL13 START 82.796
HIERARCH ESO ISS PBL13 END 82.481
HIERARCH ESO ISS PBLA13 START 38.3
HIERARCH ESO ISS PBLA13 END 39.4
HIERARCH ESO ISS PBL14 START 123.031
HIERARCH ESO ISS PBL14 END 122.709
HIERARCH ESO ISS PBLA14 START 63.757
HIERARCH ESO ISS PBLA14 END 65.014
HIERARCH ESO ISS PBL23 START 39.588
HIERARCH ESO ISS PBL23 END 39.439
HIERARCH ESO ISS PBLA23 START 46.2
HIERARCH ESO ISS PBLA23 END 47.3
HIERARCH ESO ISS PBL24 START 89.156
HIERARCH ESO ISS PBL24 END 89.096
HIERARCH ESO ISS PBLA24 START 79.083
HIERARCH ESO ISS PBLA24 END 80.405
HIERARCH ESO ISS PBL34 START 59.919
HIERARCH ESO ISS PBL34 END 60.061
HIERARCH ESO ISS PBLA34 START 100.124
HIERARCH ESO ISS PBLA34 END 101.427
HIERARCH ESO ISS AMBI TAU0 START 0.007984
HIERARCH ESO ISS AMBI TAU0 END 0.005139
HIERARCH ESO ISS AMBI TEMP 17.81
HIERARCH ESO ISS AMBI FWHM START 0.75
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