Exposure
ID
GRAVI.2025-06-28T01:28:47.028_1
Header ID
GRAVI.2025-06-28T01:28:47.028
Date updated
2025-06-28 01:45:59 UTC+0000
Release date
2025-06-28 01:28:47 UTC+0000
UTC Start
2025-06-28 01:28:47.028
UTC End
2025-06-28 01:34:47.028
MJD Start
60854.06165542
MJD End
60854.06582208667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.001816
Ambient temperature (°C)
6.33
Seeing (arcsec)
0.76
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 22.3100 22.4720 129.4000 130.2000
A0-D0 31.9540 31.9780 58.6000 59.8000
A0-C1 20.9480 21.0950 100.6970 101.8180
B2-D0 32.3810 32.3220 18.0000 18.9000
B2-C1 10.7850 10.7660 18.0010 18.8930
D0-C1 21.5950 21.5570 198.0630 198.9550
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 60854.06165542
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 377.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 22.31
HIERARCH ESO ISS PBL12 END 22.472
HIERARCH ESO ISS PBLA12 START 129.4
HIERARCH ESO ISS PBLA12 END 130.2
HIERARCH ESO ISS PBL13 START 31.954
HIERARCH ESO ISS PBL13 END 31.978
HIERARCH ESO ISS PBLA13 START 58.6
HIERARCH ESO ISS PBLA13 END 59.8
HIERARCH ESO ISS PBL14 START 20.948
HIERARCH ESO ISS PBL14 END 21.095
HIERARCH ESO ISS PBLA14 START 100.697
HIERARCH ESO ISS PBLA14 END 101.818
HIERARCH ESO ISS PBL23 START 32.381
HIERARCH ESO ISS PBL23 END 32.322
HIERARCH ESO ISS PBLA23 START 18.0
HIERARCH ESO ISS PBLA23 END 18.9
HIERARCH ESO ISS PBL24 START 10.785
HIERARCH ESO ISS PBL24 END 10.766
HIERARCH ESO ISS PBLA24 START 18.001
HIERARCH ESO ISS PBLA24 END 18.893
HIERARCH ESO ISS PBL34 START 21.595
HIERARCH ESO ISS PBL34 END 21.557
HIERARCH ESO ISS PBLA34 START 198.063
HIERARCH ESO ISS PBLA34 END 198.955
HIERARCH ESO ISS AMBI TAU0 START 0.001714
HIERARCH ESO ISS AMBI TAU0 END 0.001918
HIERARCH ESO ISS AMBI TEMP 6.33
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.76