Exposure
ID
GRAVI.2025-06-28T02:40:44.212_1
Header ID
GRAVI.2025-06-28T02:40:44.212
Date updated
2025-06-28 02:55:56 UTC+0000
Release date
2025-06-28 02:40:44 UTC+0000
UTC Start
2025-06-28 02:40:44.212
UTC End
2025-06-28 02:47:24.212
MJD Start
60854.11162282
MJD End
60854.116252449625
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.002439
Ambient temperature (°C)
5.63
Seeing (arcsec)
0.67
Observation
ID
68247
Category
calibrator
Program ID
115.281B.002
Program Title
TRACING VARIABILITY AT THE INNER ASTRONOMICAL UNITS IN PROTOPLANETARY DISKS WITH GRAVITY
Program Type
GTO
PI / COI
SANCHEZ / GARCIA LOPEZ / CARATTI O GARATTI / ROUSSELET-PERRAUT / GARCIA / BENISTY / LABADIE / BRANDNER / HENNING / KEPPLER / VAN BOEKEL / PFUHL / ECKART / EISENHAUER / LACOUR / MENARD / PAUMARD / PERRIN / STRAUBMEIER / VAN DISHOECK / BOUVIER / DOUGADOS /
Target
ID
50717
Name
HD147707
RA
246.411343
DEC
-49.42469
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 23.8080 23.9140 139.5000 140.5000
A0-D0 31.7340 31.6500 72.2000 73.5000
A0-C1 22.2070 22.2810 113.4280 114.6600
B2-D0 31.4660 31.3460 27.9000 28.8000
B2-C1 10.4810 10.4410 27.8900 28.8020
D0-C1 20.9850 20.9050 207.9570 208.8690
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.281B.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60854.11162282
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 147707
HIERARCH ESO INS SOBJ NAME HD147707
RA 246.411343
DEC -49.42469
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 23.808
HIERARCH ESO ISS PBL12 END 23.914
HIERARCH ESO ISS PBLA12 START 139.5
HIERARCH ESO ISS PBLA12 END 140.5
HIERARCH ESO ISS PBL13 START 31.734
HIERARCH ESO ISS PBL13 END 31.65
HIERARCH ESO ISS PBLA13 START 72.2
HIERARCH ESO ISS PBLA13 END 73.5
HIERARCH ESO ISS PBL14 START 22.207
HIERARCH ESO ISS PBL14 END 22.281
HIERARCH ESO ISS PBLA14 START 113.428
HIERARCH ESO ISS PBLA14 END 114.66
HIERARCH ESO ISS PBL23 START 31.466
HIERARCH ESO ISS PBL23 END 31.346
HIERARCH ESO ISS PBLA23 START 27.9
HIERARCH ESO ISS PBLA23 END 28.8
HIERARCH ESO ISS PBL24 START 10.481
HIERARCH ESO ISS PBL24 END 10.441
HIERARCH ESO ISS PBLA24 START 27.89
HIERARCH ESO ISS PBLA24 END 28.802
HIERARCH ESO ISS PBL34 START 20.985
HIERARCH ESO ISS PBL34 END 20.905
HIERARCH ESO ISS PBLA34 START 207.957
HIERARCH ESO ISS PBLA34 END 208.869
HIERARCH ESO ISS AMBI TAU0 START 0.002455
HIERARCH ESO ISS AMBI TAU0 END 0.002423
HIERARCH ESO ISS AMBI TEMP 5.63
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.68