Exposure
ID
GRAVI.2025-04-25T08:39:03.677_2
Header ID
GRAVI.2025-04-25T08:39:03.677
Date updated
2025-04-25 08:50:42 UTC+0000
Release date
2025-04-25 08:39:03 UTC+0000
UTC Start
2025-04-25 08:39:03.677
UTC End
2025-04-25 08:41:03.677
MJD Start
60790.36045923
MJD End
60790.36184811889
Exposure time (s)
120.0
Validation level
1
Tau 0: Coherence time (s)
0.0202745
Ambient temperature (°C)
13.45
Seeing (arcsec)
0.385
Observation
ID
66984
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
44999
Name
hd174536
RA
282.9042875
DEC
-17.310118333333335
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 90.0560 90.1300 112.9000 113.0000
A0-J2 127.4830 127.6720 89.8000 89.9000
A0-K0 125.3810 125.5940 67.6880 67.8920
G1-J2 56.9400 57.0260 51.4000 51.6000
G1-K0 88.9410 88.9970 21.7860 22.0410
J2-K0 48.4450 48.4350 346.2820 346.4940
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 60790.36045923
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME hd174536
HIERARCH ESO INS SOBJ NAME hd174536
RA 282.901926
DEC -17.30994
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 90.056
HIERARCH ESO ISS PBL12 END 90.13
HIERARCH ESO ISS PBLA12 START 112.9
HIERARCH ESO ISS PBLA12 END 113.0
HIERARCH ESO ISS PBL13 START 127.483
HIERARCH ESO ISS PBL13 END 127.672
HIERARCH ESO ISS PBLA13 START 89.8
HIERARCH ESO ISS PBLA13 END 89.9
HIERARCH ESO ISS PBL14 START 125.381
HIERARCH ESO ISS PBL14 END 125.594
HIERARCH ESO ISS PBLA14 START 67.688
HIERARCH ESO ISS PBLA14 END 67.892
HIERARCH ESO ISS PBL23 START 56.94
HIERARCH ESO ISS PBL23 END 57.026
HIERARCH ESO ISS PBLA23 START 51.4
HIERARCH ESO ISS PBLA23 END 51.6
HIERARCH ESO ISS PBL24 START 88.941
HIERARCH ESO ISS PBL24 END 88.997
HIERARCH ESO ISS PBLA24 START 21.786
HIERARCH ESO ISS PBLA24 END 22.041
HIERARCH ESO ISS PBL34 START 48.445
HIERARCH ESO ISS PBL34 END 48.435
HIERARCH ESO ISS PBLA34 START 346.282
HIERARCH ESO ISS PBLA34 END 346.494
HIERARCH ESO ISS AMBI TAU0 START 0.022725
HIERARCH ESO ISS AMBI TAU0 END 0.017824
HIERARCH ESO ISS AMBI TEMP 13.45
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.41
HIERARCH ESO FT ROBJ NAME hd174536
HIERARCH ESO FT ROBJ ALPHA 185137.029
HIERARCH ESO FT ROBJ DELTA -171836.426