Exposure
ID
GRAVI.2025-07-26T23:45:51.098_1
Header ID
GRAVI.2025-07-26T23:45:51.098
Date updated
2025-07-27 00:00:45 UTC+0000
Release date
2025-07-26 23:45:51 UTC+0000
UTC Start
2025-07-26 23:45:51.098
UTC End
2025-07-26 23:51:51.098
MJD Start
60882.99017475
MJD End
60882.99434141666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.001833
Ambient temperature (°C)
7.03
Seeing (arcsec)
1.2850000000000001
Observation
ID
68978
Category
calibrator
Program ID
115.281B.001
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 22.5920 22.7420 130.9000 131.7000
A0-D0 31.9910 32.0010 60.8000 62.0000
A0-C1 21.2030 21.3370 102.6790 103.7890
B2-D0 32.2750 32.2100 19.6000 20.5000
B2-C1 10.7500 10.7290 19.5780 20.4570
D0-C1 21.5250 21.4820 199.6400 200.5200
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.281B.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60882.99017475
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 22.592
HIERARCH ESO ISS PBL12 END 22.742
HIERARCH ESO ISS PBLA12 START 130.9
HIERARCH ESO ISS PBLA12 END 131.7
HIERARCH ESO ISS PBL13 START 31.991
HIERARCH ESO ISS PBL13 END 32.001
HIERARCH ESO ISS PBLA13 START 60.8
HIERARCH ESO ISS PBLA13 END 62.0
HIERARCH ESO ISS PBL14 START 21.203
HIERARCH ESO ISS PBL14 END 21.337
HIERARCH ESO ISS PBLA14 START 102.679
HIERARCH ESO ISS PBLA14 END 103.789
HIERARCH ESO ISS PBL23 START 32.275
HIERARCH ESO ISS PBL23 END 32.21
HIERARCH ESO ISS PBLA23 START 19.6
HIERARCH ESO ISS PBLA23 END 20.5
HIERARCH ESO ISS PBL24 START 10.75
HIERARCH ESO ISS PBL24 END 10.729
HIERARCH ESO ISS PBLA24 START 19.578
HIERARCH ESO ISS PBLA24 END 20.457
HIERARCH ESO ISS PBL34 START 21.525
HIERARCH ESO ISS PBL34 END 21.482
HIERARCH ESO ISS PBLA34 START 199.64
HIERARCH ESO ISS PBLA34 END 200.52
HIERARCH ESO ISS AMBI TAU0 START 0.002167
HIERARCH ESO ISS AMBI TAU0 END 0.001499
HIERARCH ESO ISS AMBI TEMP 7.03
HIERARCH ESO ISS AMBI FWHM START 1.51
HIERARCH ESO ISS AMBI FWHM END 1.06