Exposure
ID
GRAVI.2025-07-26T22:52:08.962_1
Header ID
GRAVI.2025-07-26T22:52:08.962
Date updated
2025-07-26 23:05:46 UTC+0000
Release date
2025-07-26 22:52:08 UTC+0000
UTC Start
2025-07-26 22:52:08.962
UTC End
2025-07-26 22:58:08.962
MJD Start
60882.9528815
MJD End
60882.95704816667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.002684
Ambient temperature (°C)
7.37
Seeing (arcsec)
1.24
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 21.0480 21.2530 123.7000 124.5000
A0-D0 31.6260 31.6910 50.1000 51.4000
A0-C1 19.7750 19.9680 92.9810 94.1440
B2-D0 32.6820 32.6470 11.9000 12.8000
B2-C1 10.8850 10.8740 11.8760 12.7910
D0-C1 21.7960 21.7730 191.9330 192.8490
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 60882.9528815
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 21.048
HIERARCH ESO ISS PBL12 END 21.253
HIERARCH ESO ISS PBLA12 START 123.7
HIERARCH ESO ISS PBLA12 END 124.5
HIERARCH ESO ISS PBL13 START 31.626
HIERARCH ESO ISS PBL13 END 31.691
HIERARCH ESO ISS PBLA13 START 50.1
HIERARCH ESO ISS PBLA13 END 51.4
HIERARCH ESO ISS PBL14 START 19.775
HIERARCH ESO ISS PBL14 END 19.968
HIERARCH ESO ISS PBLA14 START 92.981
HIERARCH ESO ISS PBLA14 END 94.144
HIERARCH ESO ISS PBL23 START 32.682
HIERARCH ESO ISS PBL23 END 32.647
HIERARCH ESO ISS PBLA23 START 11.9
HIERARCH ESO ISS PBLA23 END 12.8
HIERARCH ESO ISS PBL24 START 10.885
HIERARCH ESO ISS PBL24 END 10.874
HIERARCH ESO ISS PBLA24 START 11.876
HIERARCH ESO ISS PBLA24 END 12.791
HIERARCH ESO ISS PBL34 START 21.796
HIERARCH ESO ISS PBL34 END 21.773
HIERARCH ESO ISS PBLA34 START 191.933
HIERARCH ESO ISS PBLA34 END 192.849
HIERARCH ESO ISS AMBI TAU0 START 0.002684
HIERARCH ESO ISS AMBI TAU0 END 0.002684
HIERARCH ESO ISS AMBI TEMP 7.37
HIERARCH ESO ISS AMBI FWHM START 1.24
HIERARCH ESO ISS AMBI FWHM END 1.24