Exposure
ID
GRAVI.2025-07-18T03:17:34.520_2
Header ID
GRAVI.2025-07-18T03:17:34.520
Date updated
2025-07-18 03:25:58 UTC+0000
Release date
2025-07-18 03:17:34 UTC+0000
UTC Start
2025-07-18 03:17:34.520
UTC End
2025-07-18 03:19:34.520
MJD Start
60874.13720509
MJD End
60874.13859397889
Exposure time (s)
120.0
Validation level
1
Tau 0: Coherence time (s)
0.003738
Ambient temperature (°C)
13.48
Seeing (arcsec)
0.9199999999999999
Observation
ID
68845
Category
calibrator
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
51215
Name
hd174536
RA
282.90437875
DEC
-17.310531194444444
Instrument
Interferometer
VLTI
Instrument
GRAVITY_FT
Instrument mode
LOW
Instrument sub-mode
DUAL
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.3080 90.3560 113.4000 113.6000
A0-J2 128.1700 128.3190 90.4000 90.6000
A0-K0 126.1760 126.3570 68.4850 68.6840
G1-J2 57.2650 57.3420 52.3000 52.5000
G1-K0 89.1610 89.2170 22.7840 23.0350
J2-K0 48.4060 48.3960 347.1280 347.3470
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26EQ.011
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,DUAL
MJD-OBS 60874.13720509
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 K0
EXPTIME 135.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 90.308
HIERARCH ESO ISS PBL12 END 90.356
HIERARCH ESO ISS PBLA12 START 113.4
HIERARCH ESO ISS PBLA12 END 113.6
HIERARCH ESO ISS PBL13 START 128.17
HIERARCH ESO ISS PBL13 END 128.319
HIERARCH ESO ISS PBLA13 START 90.4
HIERARCH ESO ISS PBLA13 END 90.6
HIERARCH ESO ISS PBL14 START 126.176
HIERARCH ESO ISS PBL14 END 126.357
HIERARCH ESO ISS PBLA14 START 68.485
HIERARCH ESO ISS PBLA14 END 68.684
HIERARCH ESO ISS PBL23 START 57.265
HIERARCH ESO ISS PBL23 END 57.342
HIERARCH ESO ISS PBLA23 START 52.3
HIERARCH ESO ISS PBLA23 END 52.5
HIERARCH ESO ISS PBL24 START 89.161
HIERARCH ESO ISS PBL24 END 89.217
HIERARCH ESO ISS PBLA24 START 22.784
HIERARCH ESO ISS PBLA24 END 23.035
HIERARCH ESO ISS PBL34 START 48.406
HIERARCH ESO ISS PBL34 END 48.396
HIERARCH ESO ISS PBLA34 START 347.128
HIERARCH ESO ISS PBLA34 END 347.347
HIERARCH ESO ISS AMBI TAU0 START 0.003289
HIERARCH ESO ISS AMBI TAU0 END 0.004187
HIERARCH ESO ISS AMBI TEMP 13.48
HIERARCH ESO ISS AMBI FWHM START 0.96
HIERARCH ESO ISS AMBI FWHM END 0.88
HIERARCH ESO FT ROBJ NAME hd174536
HIERARCH ESO FT ROBJ ALPHA 185137.0509
HIERARCH ESO FT ROBJ DELTA -171837.9123