Exposure
ID
GRAVI.2025-07-24T03:39:34.379_1
Header ID
GRAVI.2025-07-24T03:39:34.379
Date updated
2025-07-24 03:50:46 UTC+0000
Release date
2025-07-24 03:39:34 UTC+0000
UTC Start
2025-07-24 03:39:34.379
UTC End
2025-07-24 03:41:34.379
MJD Start
60880.15248124
MJD End
60880.15387012889
Exposure time (s)
120.0
Validation level
1
Tau 0: Coherence time (s)
0.00453
Ambient temperature (°C)
12.96
Seeing (arcsec)
0.485
Observation
ID
68942
Category
calibrator
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
51214
Name
hd174536
RA
282.902018
DEC
-17.31035
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
DUAL
Stations
A0 G1 J2 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.0020 89.9190 116.9000 117.1000
A0-J2 128.9900 128.9100 93.8000 94.0000
A0-C1 22.4970 22.4760 116.9590 117.1520
G1-J2 58.2070 58.2180 56.4000 56.6000
G1-C1 67.5050 67.4430 296.9410 297.1340
J2-C1 108.6660 108.6090 269.1370 269.3020
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26EQ.009
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,DUAL
MJD-OBS 60880.15248124
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME hd174536
HIERARCH ESO INS SOBJ NAME hd174536
RA 282.902018
DEC -17.31035
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 C1
EXPTIME 135.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 90.002
HIERARCH ESO ISS PBL12 END 89.919
HIERARCH ESO ISS PBLA12 START 116.9
HIERARCH ESO ISS PBLA12 END 117.1
HIERARCH ESO ISS PBL13 START 128.99
HIERARCH ESO ISS PBL13 END 128.91
HIERARCH ESO ISS PBLA13 START 93.8
HIERARCH ESO ISS PBLA13 END 94.0
HIERARCH ESO ISS PBL14 START 22.497
HIERARCH ESO ISS PBL14 END 22.476
HIERARCH ESO ISS PBLA14 START 116.959
HIERARCH ESO ISS PBLA14 END 117.152
HIERARCH ESO ISS PBL23 START 58.207
HIERARCH ESO ISS PBL23 END 58.218
HIERARCH ESO ISS PBLA23 START 56.4
HIERARCH ESO ISS PBLA23 END 56.6
HIERARCH ESO ISS PBL24 START 67.505
HIERARCH ESO ISS PBL24 END 67.443
HIERARCH ESO ISS PBLA24 START 296.941
HIERARCH ESO ISS PBLA24 END 297.134
HIERARCH ESO ISS PBL34 START 108.666
HIERARCH ESO ISS PBL34 END 108.609
HIERARCH ESO ISS PBLA34 START 269.137
HIERARCH ESO ISS PBLA34 END 269.302
HIERARCH ESO ISS AMBI TAU0 START 0.00447
HIERARCH ESO ISS AMBI TAU0 END 0.00459
HIERARCH ESO ISS AMBI TEMP 12.96
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.44
HIERARCH ESO FT ROBJ NAME hd174536
HIERARCH ESO FT ROBJ ALPHA 185137.0510
HIERARCH ESO FT ROBJ DELTA -171837.9123