Exposure
ID
GRAVI.2025-05-19T02:02:41.466_1
Header ID
GRAVI.2025-05-19T02:02:41.466
Date updated
2025-05-19 02:15:56 UTC+0000
Release date
2025-05-19 02:02:41 UTC+0000
UTC Start
2025-05-19 02:02:41.466
UTC End
2025-05-19 02:06:41.466
MJD Start
60814.08520215
MJD End
60814.08797992778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0073255
Ambient temperature (°C)
12.93
Seeing (arcsec)
0.31
Observation
ID
67447
Category
calibrator
Program ID
113.26EQ.007
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
50174
Name
HD_146235
RA
243.988188
DEC
-21.9496
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 22.2720 22.4240 131.8000 131.9000
A0-D0 25.1930 25.4270 43.8000 44.7000
A0-C1 17.3060 17.5480 102.8290 103.0450
B2-D0 33.0400 33.0440 1.4000 2.1000
B2-C1 11.0070 11.0080 1.4070 2.0350
D0-C1 22.0330 22.0350 181.4560 182.0840
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26EQ.007
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60814.08520215
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 146235
HIERARCH ESO INS SOBJ NAME HD_146235
RA 243.988188
DEC -21.9496
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 22.272
HIERARCH ESO ISS PBL12 END 22.424
HIERARCH ESO ISS PBLA12 START 131.8
HIERARCH ESO ISS PBLA12 END 131.9
HIERARCH ESO ISS PBL13 START 25.193
HIERARCH ESO ISS PBL13 END 25.427
HIERARCH ESO ISS PBLA13 START 43.8
HIERARCH ESO ISS PBLA13 END 44.7
HIERARCH ESO ISS PBL14 START 17.306
HIERARCH ESO ISS PBL14 END 17.548
HIERARCH ESO ISS PBLA14 START 102.829
HIERARCH ESO ISS PBLA14 END 103.045
HIERARCH ESO ISS PBL23 START 33.04
HIERARCH ESO ISS PBL23 END 33.044
HIERARCH ESO ISS PBLA23 START 1.4
HIERARCH ESO ISS PBLA23 END 2.1
HIERARCH ESO ISS PBL24 START 11.007
HIERARCH ESO ISS PBL24 END 11.008
HIERARCH ESO ISS PBLA24 START 1.407
HIERARCH ESO ISS PBLA24 END 2.035
HIERARCH ESO ISS PBL34 START 22.033
HIERARCH ESO ISS PBL34 END 22.035
HIERARCH ESO ISS PBLA34 START 181.456
HIERARCH ESO ISS PBLA34 END 182.084
HIERARCH ESO ISS AMBI TAU0 START 0.007049
HIERARCH ESO ISS AMBI TAU0 END 0.007602
HIERARCH ESO ISS AMBI TEMP 12.93
HIERARCH ESO ISS AMBI FWHM START 0.3
HIERARCH ESO ISS AMBI FWHM END 0.32