Exposure
ID
GRAVI.2025-06-28T01:12:04.986_1
Header ID
GRAVI.2025-06-28T01:12:04.986
Date updated
2025-06-28 01:25:55 UTC+0000
Release date
2025-06-28 01:12:04 UTC+0000
UTC Start
2025-06-28 01:12:04.986
UTC End
2025-06-28 01:18:04.986
MJD Start
60854.05005771
MJD End
60854.05422437667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0019375
Ambient temperature (°C)
6.28
Seeing (arcsec)
0.6799999999999999
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 21.8510 22.0290 127.1000 128.0000
A0-D0 31.8590 31.9000 55.3000 56.6000
A0-C1 20.5260 20.6910 97.7140 98.8440
B2-D0 32.5170 32.4680 15.7000 16.6000
B2-C1 10.8300 10.8140 15.6240 16.5240
D0-C1 21.6860 21.6540 195.6830 196.5850
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 60854.05005771
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 21.851
HIERARCH ESO ISS PBL12 END 22.029
HIERARCH ESO ISS PBLA12 START 127.1
HIERARCH ESO ISS PBLA12 END 128.0
HIERARCH ESO ISS PBL13 START 31.859
HIERARCH ESO ISS PBL13 END 31.9
HIERARCH ESO ISS PBLA13 START 55.3
HIERARCH ESO ISS PBLA13 END 56.6
HIERARCH ESO ISS PBL14 START 20.526
HIERARCH ESO ISS PBL14 END 20.691
HIERARCH ESO ISS PBLA14 START 97.714
HIERARCH ESO ISS PBLA14 END 98.844
HIERARCH ESO ISS PBL23 START 32.517
HIERARCH ESO ISS PBL23 END 32.468
HIERARCH ESO ISS PBLA23 START 15.7
HIERARCH ESO ISS PBLA23 END 16.6
HIERARCH ESO ISS PBL24 START 10.83
HIERARCH ESO ISS PBL24 END 10.814
HIERARCH ESO ISS PBLA24 START 15.624
HIERARCH ESO ISS PBLA24 END 16.524
HIERARCH ESO ISS PBL34 START 21.686
HIERARCH ESO ISS PBL34 END 21.654
HIERARCH ESO ISS PBLA34 START 195.683
HIERARCH ESO ISS PBLA34 END 196.585
HIERARCH ESO ISS AMBI TAU0 START 0.002287
HIERARCH ESO ISS AMBI TAU0 END 0.001588
HIERARCH ESO ISS AMBI TEMP 6.28
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.76