Exposure
ID
GRAVI.2025-11-17T05:15:36.695_1
Header ID
GRAVI.2025-11-17T05:15:36.695
Date updated
2025-11-17 08:15:13 UTC+0000
Release date
2025-11-17 08:15:01 UTC+0000
UTC Start
2025-11-17 05:15:36.695
UTC End
2025-11-17 05:22:16.695
MJD Start
60996.21917471
MJD End
60996.22380433963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0055875000000000005
Ambient temperature (°C)
13.41
Seeing (arcsec)
0.61
Observation
ID
71793
Category
science
Program ID
116.29DN.002
Program Title
TOWARD ACCURATE AND ASSUMPTION-FREE MODELING OF YSO DISKS
Program Type
Normal
PI / COI
GALLENNE / IBRAHIM / MONNIER
Target
ID
53297
Name
HD259431
RA
98.269351
DEC
10.3222
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.2380 25.1960 136.3000 136.1000
A0-D0 23.5050 24.1240 76.1000 76.1000
A0-C1 21.7960 21.9480 118.1300 117.6080
B2-D0 24.5050 24.6650 12.7000 13.9000
B2-C1 8.1650 8.2180 12.6000 13.8720
D0-C1 16.3400 16.4470 192.6820 193.9550
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.29DN.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60996.21917471
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD259431
HIERARCH ESO INS SOBJ NAME HD259431
RA 98.269351
DEC 10.3222
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 25.238
HIERARCH ESO ISS PBL12 END 25.196
HIERARCH ESO ISS PBLA12 START 136.3
HIERARCH ESO ISS PBLA12 END 136.1
HIERARCH ESO ISS PBL13 START 23.505
HIERARCH ESO ISS PBL13 END 24.124
HIERARCH ESO ISS PBLA13 START 76.1
HIERARCH ESO ISS PBLA13 END 76.1
HIERARCH ESO ISS PBL14 START 21.796
HIERARCH ESO ISS PBL14 END 21.948
HIERARCH ESO ISS PBLA14 START 118.13
HIERARCH ESO ISS PBLA14 END 117.608
HIERARCH ESO ISS PBL23 START 24.505
HIERARCH ESO ISS PBL23 END 24.665
HIERARCH ESO ISS PBLA23 START 12.7
HIERARCH ESO ISS PBLA23 END 13.9
HIERARCH ESO ISS PBL24 START 8.165
HIERARCH ESO ISS PBL24 END 8.218
HIERARCH ESO ISS PBLA24 START 12.6
HIERARCH ESO ISS PBLA24 END 13.872
HIERARCH ESO ISS PBL34 START 16.34
HIERARCH ESO ISS PBL34 END 16.447
HIERARCH ESO ISS PBLA34 START 192.682
HIERARCH ESO ISS PBLA34 END 193.955
HIERARCH ESO ISS AMBI TAU0 START 0.006326
HIERARCH ESO ISS AMBI TAU0 END 0.004849
HIERARCH ESO ISS AMBI TEMP 13.41
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.65