Exposure
ID
GRAVI.2025-07-23T01:32:35.641_1
Header ID
GRAVI.2025-07-23T01:32:35.641
Date updated
2025-07-23 01:50:54 UTC+0000
Release date
2026-07-23 01:50:53 UTC+0000
UTC Start
2025-07-23 01:32:35.641
UTC End
2025-07-23 01:39:15.641
MJD Start
60879.0643014
MJD End
60879.06893102963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0041015
Ambient temperature (°C)
12.85
Seeing (arcsec)
0.8300000000000001
Observation
ID
68924
Category
science
Program ID
113.26EQ.009
Program Title
USING GRAVITY TO STUDY STAR-DISK INTERACTION
Program Type
Monitoring
PI / COI
GINSKI / BOURDAROT / PINILLA / BENISTY / MANARA / RIBAS / LACOUR / NOWAK / VIGAN / WANG / BALMER / MURPHY
Target
ID
51213
Name
HT_Lup
RA
236.300407
DEC
-34.29179
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
DUAL
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.6530 89.3840 125.6000 126.7000
A0-J2 125.6740 124.9020 102.7000 103.8000
A0-K0 122.5070 121.5550 80.3600 81.2690
G1-J2 55.4660 55.0530 63.7000 64.5000
G1-K0 87.0700 86.7200 33.3690 34.0040
J2-K0 48.1580 48.1630 357.8280 358.6040
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26EQ.009
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60879.0643014
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HT Lup
HIERARCH ESO INS SOBJ NAME HT_Lup
RA 236.300407
DEC -34.29179
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 89.653
HIERARCH ESO ISS PBL12 END 89.384
HIERARCH ESO ISS PBLA12 START 125.6
HIERARCH ESO ISS PBLA12 END 126.7
HIERARCH ESO ISS PBL13 START 125.674
HIERARCH ESO ISS PBL13 END 124.902
HIERARCH ESO ISS PBLA13 START 102.7
HIERARCH ESO ISS PBLA13 END 103.8
HIERARCH ESO ISS PBL14 START 122.507
HIERARCH ESO ISS PBL14 END 121.555
HIERARCH ESO ISS PBLA14 START 80.36
HIERARCH ESO ISS PBLA14 END 81.269
HIERARCH ESO ISS PBL23 START 55.466
HIERARCH ESO ISS PBL23 END 55.053
HIERARCH ESO ISS PBLA23 START 63.7
HIERARCH ESO ISS PBLA23 END 64.5
HIERARCH ESO ISS PBL24 START 87.07
HIERARCH ESO ISS PBL24 END 86.72
HIERARCH ESO ISS PBLA24 START 33.369
HIERARCH ESO ISS PBLA24 END 34.004
HIERARCH ESO ISS PBL34 START 48.158
HIERARCH ESO ISS PBL34 END 48.163
HIERARCH ESO ISS PBLA34 START 357.828
HIERARCH ESO ISS PBLA34 END 358.604
HIERARCH ESO ISS AMBI TAU0 START 0.004891
HIERARCH ESO ISS AMBI TAU0 END 0.003312
HIERARCH ESO ISS AMBI TEMP 12.85
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.85
HIERARCH ESO FT ROBJ NAME HT_Lup
HIERARCH ESO FT ROBJ ALPHA 154512.868
HIERARCH ESO FT ROBJ DELTA -341730.644