Exposure
ID
GRAVI.2025-07-24T03:23:58.340_1
Header ID
GRAVI.2025-07-24T03:23:58.340
Date updated
2025-07-24 03:35:49 UTC+0000
Release date
2025-07-24 03:23:58 UTC+0000
UTC Start
2025-07-24 03:23:58.340
UTC End
2025-07-24 03:25:58.340
MJD Start
60880.14164745
MJD End
60880.143036338886
Exposure time (s)
120.0
Validation level
1
Tau 0: Coherence time (s)
0.0045815
Ambient temperature (°C)
12.94
Seeing (arcsec)
0.48
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 90.4070 90.3680 115.6000 115.8000
A0-J2 129.2360 129.2340 92.6000 92.8000
A0-C1 22.5980 22.5880 115.6590 115.8510
G1-J2 58.0370 58.0720 55.1000 55.3000
G1-C1 67.8090 67.7790 295.6410 295.8330
J2-C1 108.7990 108.8080 267.9650 268.1450
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 60880.14164745
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 90.407
HIERARCH ESO ISS PBL12 END 90.368
HIERARCH ESO ISS PBLA12 START 115.6
HIERARCH ESO ISS PBLA12 END 115.8
HIERARCH ESO ISS PBL13 START 129.236
HIERARCH ESO ISS PBL13 END 129.234
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.8
HIERARCH ESO ISS PBL14 START 22.598
HIERARCH ESO ISS PBL14 END 22.588
HIERARCH ESO ISS PBLA14 START 115.659
HIERARCH ESO ISS PBLA14 END 115.851
HIERARCH ESO ISS PBL23 START 58.037
HIERARCH ESO ISS PBL23 END 58.072
HIERARCH ESO ISS PBLA23 START 55.1
HIERARCH ESO ISS PBLA23 END 55.3
HIERARCH ESO ISS PBL24 START 67.809
HIERARCH ESO ISS PBL24 END 67.779
HIERARCH ESO ISS PBLA24 START 295.641
HIERARCH ESO ISS PBLA24 END 295.833
HIERARCH ESO ISS PBL34 START 108.799
HIERARCH ESO ISS PBL34 END 108.808
HIERARCH ESO ISS PBLA34 START 267.965
HIERARCH ESO ISS PBLA34 END 268.145
HIERARCH ESO ISS AMBI TAU0 START 0.004637
HIERARCH ESO ISS AMBI TAU0 END 0.004526
HIERARCH ESO ISS AMBI TEMP 12.94
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.52
HIERARCH ESO FT ROBJ NAME hd174536
HIERARCH ESO FT ROBJ ALPHA 185137.029
HIERARCH ESO FT ROBJ DELTA -171836.426