Exposure
ID
GRAVI.2025-04-29T08:53:35.774_2
Header ID
GRAVI.2025-04-29T08:53:35.774
Date updated
2025-04-29 09:00:55 UTC+0000
Release date
2025-04-29 08:53:35 UTC+0000
UTC Start
2025-04-29 08:53:35.774
UTC End
2025-04-29 08:55:35.774
MJD Start
60794.37055294
MJD End
60794.37194182889
Exposure time (s)
120.0
Validation level
1
Tau 0: Coherence time (s)
0.003905
Ambient temperature (°C)
12.18
Seeing (arcsec)
0.53
Observation
ID
60557
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
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 90.4970 90.4820 115.0000 115.1000
A0-J2 129.1380 129.1790 92.0000 92.1000
A0-K0 127.5280 127.6170 70.3120 70.4780
G1-J2 57.8760 57.9220 54.3000 54.5000
G1-K0 89.6650 89.7110 25.0950 25.3220
J2-K0 48.3090 48.2990 349.2660 349.4920
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 60794.37055294
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 90.497
HIERARCH ESO ISS PBL12 END 90.482
HIERARCH ESO ISS PBLA12 START 115.0
HIERARCH ESO ISS PBLA12 END 115.1
HIERARCH ESO ISS PBL13 START 129.138
HIERARCH ESO ISS PBL13 END 129.179
HIERARCH ESO ISS PBLA13 START 92.0
HIERARCH ESO ISS PBLA13 END 92.1
HIERARCH ESO ISS PBL14 START 127.528
HIERARCH ESO ISS PBL14 END 127.617
HIERARCH ESO ISS PBLA14 START 70.312
HIERARCH ESO ISS PBLA14 END 70.478
HIERARCH ESO ISS PBL23 START 57.876
HIERARCH ESO ISS PBL23 END 57.922
HIERARCH ESO ISS PBLA23 START 54.3
HIERARCH ESO ISS PBLA23 END 54.5
HIERARCH ESO ISS PBL24 START 89.665
HIERARCH ESO ISS PBL24 END 89.711
HIERARCH ESO ISS PBLA24 START 25.095
HIERARCH ESO ISS PBLA24 END 25.322
HIERARCH ESO ISS PBL34 START 48.309
HIERARCH ESO ISS PBL34 END 48.299
HIERARCH ESO ISS PBLA34 START 349.266
HIERARCH ESO ISS PBLA34 END 349.492
HIERARCH ESO ISS AMBI TAU0 START 0.003221
HIERARCH ESO ISS AMBI TAU0 END 0.004589
HIERARCH ESO ISS AMBI TEMP 12.18
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.49
HIERARCH ESO FT ROBJ NAME hd174536
HIERARCH ESO FT ROBJ ALPHA 185137.029
HIERARCH ESO FT ROBJ DELTA -171836.426