Exposure
ID
GRAVI.2025-07-22T02:03:53.553_1
Header ID
GRAVI.2025-07-22T02:03:53.553
Date updated
2025-07-22 02:20:48 UTC+0000
Release date
2026-07-22 02:20:48 UTC+0000
UTC Start
2025-07-22 02:03:53.553
UTC End
2025-07-22 02:10:33.553
MJD Start
60878.08603649
MJD End
60878.09066611963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0075580000000000005
Ambient temperature (°C)
14.59
Seeing (arcsec)
0.56
Observation
ID
68843
Category
science
Program ID
113.26EQ.011
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 88.4140 88.0310 130.1000 131.3000
A0-J2 122.2290 121.1930 107.0000 108.1000
A0-K0 118.3040 117.0510 83.9600 84.8820
G1-J2 53.6560 53.1200 66.7000 67.4000
G1-K0 85.5520 85.1090 35.7840 36.3570
J2-K0 48.1660 48.1620 0.8950 1.6720
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26EQ.011
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60878.08603649
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 88.414
HIERARCH ESO ISS PBL12 END 88.031
HIERARCH ESO ISS PBLA12 START 130.1
HIERARCH ESO ISS PBLA12 END 131.3
HIERARCH ESO ISS PBL13 START 122.229
HIERARCH ESO ISS PBL13 END 121.193
HIERARCH ESO ISS PBLA13 START 107.0
HIERARCH ESO ISS PBLA13 END 108.1
HIERARCH ESO ISS PBL14 START 118.304
HIERARCH ESO ISS PBL14 END 117.051
HIERARCH ESO ISS PBLA14 START 83.96
HIERARCH ESO ISS PBLA14 END 84.882
HIERARCH ESO ISS PBL23 START 53.656
HIERARCH ESO ISS PBL23 END 53.12
HIERARCH ESO ISS PBLA23 START 66.7
HIERARCH ESO ISS PBLA23 END 67.4
HIERARCH ESO ISS PBL24 START 85.552
HIERARCH ESO ISS PBL24 END 85.109
HIERARCH ESO ISS PBLA24 START 35.784
HIERARCH ESO ISS PBLA24 END 36.357
HIERARCH ESO ISS PBL34 START 48.166
HIERARCH ESO ISS PBL34 END 48.162
HIERARCH ESO ISS PBLA34 START 0.895
HIERARCH ESO ISS PBLA34 END 1.672
HIERARCH ESO ISS AMBI TAU0 START 0.006854
HIERARCH ESO ISS AMBI TAU0 END 0.008262
HIERARCH ESO ISS AMBI TEMP 14.59
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.6
HIERARCH ESO FT ROBJ NAME HT_Lup
HIERARCH ESO FT ROBJ ALPHA 154512.868
HIERARCH ESO FT ROBJ DELTA -341730.644